Academic literature on the topic 'Spectroradiometer'

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Journal articles on the topic "Spectroradiometer"

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Jäkel, Evelyn, Manfred Wendisch, Mario Blumthaler, Rainer Schmitt, and Ann R. Webb. "A CCD Spectroradiometer for Ultraviolet Actinic Radiation Measurements." Journal of Atmospheric and Oceanic Technology 24, no. 3 (March 1, 2007): 449–62. http://dx.doi.org/10.1175/jtech1979.1.

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Abstract A new spectroradiometer for spectral measurements of ultraviolet (UV) atmospheric radiation (290–400 nm) using a charge coupled device (CCD) as a detector is introduced. The instrument development is motivated by the need for measurements with (a) high accuracy in the UV-B spectral range (290–315 nm) for photochemistry applications and (b) high temporal resolution in quickly changing atmospheric conditions such as partial cloud cover. The new CCD instrument is mainly intended for airborne use. It allows fast data collection (<300 ms time resolution for each spectrum) with improved sensitivity in the UV spectral range. The instrumental setup and its characterization in terms of stray light, dark current, noise, and detection limits are described and compared to a spectroradiometer with a photodiode array (PDA) detector. The new CCD spectroradiometer has a one order of magnitude greater sensitivity than the PDA-based spectroradiometer. However, the stray light of the CCD instrument is wavelength dependent, which requires a more complicated data evaluation procedure than the PDA instrument. Comparison with other UV spectroradiometers (a PDA spectroradiometer and two ground-based double monochromators) shows the advantages of the CCD system for UV-B measurements of actinic flux densities and photolysis frequencies of ozone and nitrogen dioxide, and the improved performance compared to PDA spectroradiometers.
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Chmielinski, Maximilian J., Martin A. Cohen, Michael G. Yost, and Christopher D. Simpson. "Wearable Spectroradiometer for Dosimetry." Sensors 22, no. 22 (November 15, 2022): 8829. http://dx.doi.org/10.3390/s22228829.

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Available wearable dosimeters suffer from spectral mismatch during the measurement of broadband UV and visible radiation in environments that receive radiation from multiple sources emitting differing spectra. We observed this type of multi-spectra environment in all five Washington State cannabis farms visited during a field study investigating worker exposure to ultraviolet radiation in 2018. Spectroradiometers do not suffer from spectral mismatch in these environments, however, an extensive literature review conducted at the time of writing did not identify any spectroradiometers that were directly deployable as wearable dosimetry devices. To close this research gap, we developed a microcontroller system and platform that allows for researchers to mount and deploy the Ocean Insight Flame-S Spectroradiometer as a wearable device for measurement of UV and visible wavelengths (300 to 700 nm). The platform validation consisted of comparing measurements taken under platform control with measurements taken with the spectrometer controlled by a personal computer running the software provided by the spectroradiometer manufacturer. Three Mann–Whitney U-Tests (two-tailed, 95% CI), one for each intensity condition, compared the central tendency between the total spectral power (TSP), the integral of a spectrum measurement, measured under both control schemas. An additional analysis of per pixel agreement and overall platform stability was performed. The three Mann–Whitney tests returned no significant difference between the set of TSPs for each filter condition. These results suggest that the spectroradiometer takes measurements of equivalent accuracy under both control schemas, and can be deployed as a wearable device for the measurement of wavelength resolved UV and visible radiation.
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Jiao, Zhaoqiang, Yiwen Li, Ge Chen, Yao Li, Shijie Chai, and Puyousen Zhang. "Correction of Spatial Nonuniformity in Spectroradiometer Field-of-View Using a Concentric-Circles Method." Photonics 9, no. 2 (January 21, 2022): 56. http://dx.doi.org/10.3390/photonics9020056.

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Spectroradiometers exhibit the smallest aberration and the optimum response at the field-of-view (FOV) center. The aberration increases and the response deteriorates at positions further away from the FOV center, which leads to nonuniformity in the spectroradiometer FOV. In this study, a concentric-circles method for correcting the spectroradiometer FOV nonuniformity was developed. The calibration experiment for FOV nonuniformity was conducted by establishing the experimental platform. The nonuniformity correction coefficients were obtained and then used to fit the correction function curve within the whole FOV, allowing for correction of measurement targets with an arbitrary shape. The radiation intensity of the blackbody at different temperatures was obtained by measurement, and the nonuniformity coefficient was used to correct it. After correction, the error was within 1.84% for the spectrally integrated radiant intensity in the non-absorption band. Using this correction method, efficient calibration of spectroradiometer nonuniformity can be achieved, thereby enhancing the measurement accuracy of the spectroradiometer.
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Vaskuri, Anna, Petri Kärhä, Luca Egli, Julian Gröbner, and Erkki Ikonen. "Uncertainty analysis of total ozone derived from direct solar irradiance spectra in the presence of unknown spectral deviations." Atmospheric Measurement Techniques 11, no. 6 (June 20, 2018): 3595–610. http://dx.doi.org/10.5194/amt-11-3595-2018.

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Abstract. We demonstrate the use of a Monte Carlo model to estimate the uncertainties in total ozone column (TOC) derived from ground-based direct solar spectral irradiance measurements. The model estimates the effects of possible systematic spectral deviations in the solar irradiance spectra on the uncertainties in retrieved TOC. The model is tested with spectral data measured with three different spectroradiometers at an intercomparison campaign of the research project “Traceability for atmospheric total column ozone” at Izaña, Tenerife on 17 September 2016. The TOC values derived at local noon have expanded uncertainties of 1.3 % (3.6 DU) for a high-end scanning spectroradiometer, 1.5 % (4.4 DU) for a high-end array spectroradiometer, and 4.7 % (13.3 DU) for a roughly adopted instrument based on commercially available components and an array spectroradiometer when correlations are taken into account. When neglecting the effects of systematic spectral deviations, the uncertainties reduce by a factor of 3. The TOC results of all devices have good agreement with each other, within the uncertainties, and with the reference values of the order of 282 DU during the analysed day, measured with Brewer spectrophotometer #183.
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Brogniez, C., V. Buchard, and F. Auriol. "Validation of UV-visible aerosol optical thickness retrieved from spectroradiometer measurements." Atmospheric Chemistry and Physics Discussions 8, no. 1 (February 26, 2008): 3895–919. http://dx.doi.org/10.5194/acpd-8-3895-2008.

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Abstract. Global and diffuse UV-visible solar irradiances are routinely measured since 2003 with a spectroradiometer operated by the Laboratoire d'Optique Atmosphérique (LOA) located in Villeneuve d'Ascq, France. The analysis of the direct irradiance derived by cloudless conditions enables retrieving the aerosol optical thickness (AOT) spectrum in the 330–450 nm range. The site hosts also sunphotometers from the AERONET/PHOTONS network performing routinely measurements of the AOT at several wavelengths. On one hand, comparisons between the spectroradiometer and the sunphotometer AOT at 440 nm as well as, when available, at 340 and 380 nm, show good agreement. On the other hand, the AOT's spectral variations have been compared using the Angström exponents derived from AOT data at 340 and 440 nm for both instruments. The comparisons show that this parameter is difficult to retrieve accurately due to the small wavelength range and due to the weak AOT values. Thus, AOT derived at wavelengths outside the spectroradiometer range by means of an extrapolation using the Angström parameter would be of poor value, whereas, spectroradiometer's spectral AOT could be used for direct validation of other AOT, such as those provided by satellite instruments.
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KAUFMANN, WOLFGANG F., and KARL M. HARTMANN. "LOW COST DIGITAL SPECTRORADIOMETER." Photochemistry and Photobiology 49, no. 6 (June 1989): 769–74. http://dx.doi.org/10.1111/j.1751-1097.1989.tb05575.x.

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Egli, L., J. Gröbner, G. Hülsen, L. Bachmann, M. Blumthaler, J. Dubard, M. Khazova, et al. "Quality assessment of solar UV irradiance measured with array spectroradiometers." Atmospheric Measurement Techniques Discussions 8, no. 12 (December 21, 2015): 13609–44. http://dx.doi.org/10.5194/amtd-8-13609-2015.

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Abstract. The reliable quantification of ultraviolet (UV) radiation at the Earth's surface requires accurate measurements of spectral global solar UV irradiance in order to determine the UV exposure to human skin and to understand long-term trends in this parameter. Array spectroradiometers are small, light, robust and cost effective instruments and are increasingly used for spectral irradiance measurements. Within the European EMRP-ENV03 project "Solar UV", new devices, guidelines, and characterization methods have been developed to improve solar UV measurements with array spectroradiometers and support to the end-user community has been provided. In order to assess the quality of 14 end-user array spectroradiometers, a solar UV intercomparison was held on the measurement platform of the World Radiation Center (PMOD/WRC) in Davos, Switzerland, from 10 to 17 July 2014. The results of the intercomparison revealed that array spectroradiometers, currently used for solar UV measurements, show a large variation in the quality of their solar UV measurements. Most of the instruments overestimate the erythema weighted UV index – in particular at low solar zenith angles – due to stray light contribution in the UV-B range. The spectral analysis of global solar UV irradiance further supported the finding that the uncertainties in the UV-B range are very large due to stray light contribution in this wavelength range. In summary, the UV index may be detected by some commercially available array spectroradiometer within 5 % compared to the world reference spectroradiometer, if well characterized and calibrated, but only for a limited range or solar zenith angle. Generally, the tested instruments are not yet suitable for solar UV measurements for the entire range between 290 to 400 nm under all atmospheric conditions.
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Gröbner, Julian, Herbert Schill, Luca Egli, and René Stübi. "Consistency of total column ozone measurements between the Brewer and Dobson spectroradiometers of the LKO Arosa and PMOD/WRC Davos." Atmospheric Measurement Techniques 14, no. 5 (May 6, 2021): 3319–31. http://dx.doi.org/10.5194/amt-14-3319-2021.

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Abstract. Total column ozone measured by Brewer and Dobson spectroradiometers at Arosa and Davos, Switzerland, have systematic seasonal variations of around 1.5 % using the standard operational data processing. Most of this variability can be attributed to the temperature sensitivity of approx. +0.1 %/K of the ozone absorption coefficient of the Dobson spectroradiometer (in this study D101). While the currently used Bass and Paur ozone absorption cross-sections produce inconsistent results for Dobson and Brewer, the use of the ozone absorption cross-sections from Serdyuchenko et al. (2014) in conjunction with an effective ozone temperature dataset produces excellent agreement between the four Brewers investigated (of which two are double Brewers) and Dobson D101. Even though other ozone absorption cross-sections available in the literature are able to reduce the seasonal variability as well, all of those investigated produce systematic biases in total column ozone between Brewer and Dobson of +2.1 % to −3.2 %. The highest consistency in total column ozone from Brewers and Dobson D101 at Arosa and Davos is obtained by applying the Rayleigh scattering cross-sections from Bodhaine et al. (1999), the ozone absorption cross-sections from Serdyuchenko et al. (2014), the effective ozone temperature from either ozone-sondes or the European Centre for Medium-Range Weather Forecasts (ECMWF), and the measured line spread functions of Brewer and Dobson. The variability of 0.9 % between Brewer and Dobson for single measurements can be reduced to less than 0.1 % for monthly means. As shown here, the applied methodology produces consistent total column ozone datasets between Brewer and Dobson spectroradiometers, with average differences of 0.0 % and a remaining seasonal variability of 0.11 %. For collocated Brewer and Dobson spectroradiometers, as is the case for the Arosa and Davos total column ozone times series, this allows for the merging of these two distinct datasets to produce a homogeneous time series of total column ozone measurements. Furthermore, it guarantees the long-term future of this longest total column ozone time series, by proposing a methodology for how to eventually replace the ageing Dobson spectroradiometer with the state-of-the art Brewer spectroradiometer.
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Corredera, Pedro, Antonio Corrons, Joaquin Campos, and Alicia Pons. "Realization of an infrared spectroradiometer." Applied Optics 30, no. 10 (April 1, 1991): 1279. http://dx.doi.org/10.1364/ao.30.001279.

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Brogniez, C., V. Buchard, and F. Auriol. "Validation of UV-visible aerosol optical thickness retrieved from spectroradiometer measurements." Atmospheric Chemistry and Physics 8, no. 16 (August 12, 2008): 4655–63. http://dx.doi.org/10.5194/acp-8-4655-2008.

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Abstract. Global and diffuse UV-visible solar irradiances are routinely measured since 2003 with a spectroradiometer operated by the Laboratoire d'Optique Atmosphérique (LOA) located in Villeneuve d'Ascq, France. The analysis of the direct irradiance derived by cloudless conditions enables retrieving the aerosol optical thickness (AOT) spectrum in the 330–450 nm range. The site hosts also sunphotometers from the AERONET/PHOTONS network performing routinely measurements of the AOT at several wavelengths. On one hand, comparisons between the spectroradiometer and the sunphotometer AOT at 440 nm as well as, when available, at 340 and 380 nm, show good agreement: in 2003–2005 at 440 nm the correlation coefficient, the slope and the intercept of the regression line are [0.97, 0.95, 0.025], and in 2006 at 440, 380 and 340 nm they are [0.97, 1.00, −0.013], [0.97, 0.98, −0.007], and [0.98, 0.98, −0.002] respectively. On the other hand, the AOT's spectral variations have been compared using the Angström exponents derived from AOT data at 340 and 440 nm for both instruments. The comparisons show that this parameter is difficult to retrieve accurately due to the small wavelength range and due to the weak AOT values. Thus, AOT derived at wavelengths outside the spectroradiometer range by means of an extrapolation using the Angström parameter would have large uncertainties, whereas spectroradiometer's spectral AOT could be used for direct validation of other AOT, such as those provided by satellite instruments.
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Dissertations / Theses on the topic "Spectroradiometer"

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Chang, Jon Carlton 1963. "Modification and calibration of a solar spectroradiometer system." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276858.

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A solar spectroradiometer is an instrument used for measuring the transmitted solar radiation on a quasi-continuous basis. An existing computer controlled solar spectroradiometer system has been modified and made operable. Test measurements have shown that the signal to noise ratio (which is time of day and wavelength dependent) is at an acceptable level. The chief use of the spectroradiometer will be for atmospheric transmittance studies, which will require calibration of the instrument. Strategies for calibrating the instrument have been discussed.
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Garcia, John Phillips 1956. "Design and realization of a portable infrared solar spectroradiometer." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276898.

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A multiple wavelength, portable, solar spectroradiometer designed to measure atmospheric optical depth at several discrete wavelengths between 1 mum and 4 mum has been developed. The instrument employs a manually operated filter wheel to select wavelength bands with minimal gaseous absorption, and a thermoelectrically cooled PbSe photoconductor is used as the detector. Mechanically chopped solar radiation is converted by the photoconductor into a modulated electrical signal which is then processed by a miniaturized lock-in amplifier to produce a DC voltage proportional to solar irradiance. Example optical depth measurements are presented and discussed.
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Ulanch, Rachel N., and Rachel N. Ulanch. "Replicating the Blue Wool Response Using a Smartphone Spectroradiometer." Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/625689.

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A spectroradiometer was developed using the rear camera of the Samsung S7 smartphone for replicating the response of blue wool, a light comparative fading test from the textile industry that was adopted by the art conservation community in the 1960s. This technique was regarded as a cost effective, readily available comparative standard for understanding lightfastness of museum objects, but not an end all solution. Many other solutions have been found since the suggestion of the blue wool standard. Including the Canadian Light Damage Calculator and Lightcheck® ,which are comparator guides for lighting museum objects. The Berlin model for comparing tested spectral data is taken with expensive equipment, to a database to determine an objects sensitivity. Microfadeometry that directly tests the object with a 0.4-mm diameter focused Xenon source that deteriorates the artwork. None however have been able to completely replace the vetted, cost effective, easy to use blue wool standard for determining the sensitivity of museum and gallery objects, but a solution is needed. The solution is a designed and tested smartphone spectroradiometer attachment that measures the illumination and reflectance spectrum of museum and gallery objects to deduce an absorption spectrum that can be correlated to an expected blue wool response under the same conditions. The attachment for the phone is made from off the shelf and 3D printed parts. It has measured the deterioration of blue wool under a high intensity source and can predict the expected time for a blue wool specimen to visibly fade under the illumination of museum LED lighting. This thesis covers the design, modeling and testing experiment for the smartphone spectroradiometer that currently has a resolution of ± 7 nm, a spectral range from 393 to 650 nm with five orders of magnitude and an absolute radiometric error of 27.5% with the possibility of room for improvement. This includes increasing the accuracy of the modeled spectrum of the sun used for calibration, applying more advanced noise removal techniques, applying filters in post processing for better resolution and of course using a smartphone that takes raw images and can have its optical image stabilizer turned off during manual mode.
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McLinden, Christopher Anthony. "Observations of atmospheric composition from NASA ER-2 spectroradiometer measurements." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0025/NQ33542.pdf.

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Zielinskie, David Alphonse. "System design and demonstration of a CCD-based solar spectroradiometer." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/289762.

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The Atmospheric Remote Sensing Lab at the University of Arizona's Electrical and Computer Engineering Department has been involved with the study and measurement of atmospheric gases and aerosols for many years. The research has been conducted using instruments designed and constructed by the lab. This dissertation presents a system design for the next step in the evolution of spectroradiometers designed by the Atmospheric Remote Sensing Lab. The design draws upon the lessons learned from previous generations of radiometers and from the requirements of ongoing research. The proposed spectroradiometer uses an inexpensive CCD as the detector and takes advantage of modern processors and re-programmable CPLDs. The new design employs an embedded DSP in a novel way; it provides high level control over the CCD detector, receives serial ADC data and communicates with a Host computer. Through the use of one of the serial channels, the DSP identifies when to accumulate charge in the CCD and when to dump it. This controlled sampling allows charge to accumulate from adjacent cells internal to the CCD, improving the SNR in regions of poor spectral transmission. Since the charge accumulate/reset is controlled by the DSP through software, the sequence is programmable using the host computer interface and can be dynamically re-programmed to accommodate changing atmospheric conditions. A re-programmable CPLD isolates the DSP from the detector hardware and provides low level control of the detector assembly. The CPLD accepts high level commands from the DSP and generates the low level clocks and control signals used by the CCD and ADC. This capability permits the CPLD to be re-programmed to accommodate various CCDs and ADCs available today and in the future without altering the Host communication, control or analysis software. The capabilities of the instrument can be altered by downloading new software to the embedded DSP. Provisions have been made to download software or configuration data to the instrument and execute from RAM. Once correct operation of the software has been verified, it can copied to non-voltile memory.
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Bracher, Grant Allan. "Detection of nutrient stress in Douglas-fir seedlings using spectroradiometer data." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/30961.

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Narrow-band spectral reflectance measurements in the visible and near-infrared region of the spectrum were investigated for the detection of nutrient deficiencies, and estimating the foliar concentrations of nitrogen, phosphorus, sulphur, and total chlorophyll. One-year-old Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seedlings were treated with 24 nutrient solutions containing nitrogen, phosphorus and sulphur levels ranging from 1 to 400 mg/L. After one growing season, newly matured needles were harvested, spectral reflectance measured from 400 to 1100 nm, and foliar samples analyzed for nutrient and chlorophyll levels. Several nutrient deficiencies were diagnosed. There were no unique changes in spectral reflectance which could be attributed to a specific nutrient deficiency; rather changes in reflectance were non-specific responses influenced by how varying nutrient levels affected total chlorophyll concentration. All deficiencies caused decreases in total chlorophyll, thus demonstrating the value of total chlorophyll as an indicator of nutrient stress. Correlation coefficients were calculated describing the degree of association between foliar nitrogen, phosphorus, sulphur and total chlorophyll, and the following spectral parameters: the wavelength of the red edge, percent spectral reflectance at 554 and 630 nm (red rise), and 15 vegetation indices (VIs). VIs were first determined using combinations of spectral reflectances at 480, 554, 800 nm and the wavelength of the red well (674 nm; called red well VIs), and then recalculated using red rise (called red rise VIs) rather than red well measurements to see if greater correlation with foliar constituents could be obtained. Although the use of red rise measurements in the calculation of VIs 1, 2, 3, 12 and 14 resulted in higher correlation coefficients, differences between coefficients were seldom statistically significant. Red well and red rise VI15 were most correlated with the needle nitrogen content of individual Douglas-fir, red rise VI10 with phosphorus, and spectral reflectance at 554 nm and red well VI15 with total chlorophyll. These parameters proved useful indicators of relative nitrogen, phosphorus and total chlorophyll content. None of the VIs or other spectral parameters followed the same relationship with foliar sulphur for the sulphur, nitrogen and phosphorus treatments; consequently, none were deemed suitable for sulphur estimation.
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Smith, Mark William. "Design, construction, and calibration of a portable short wave infrared spectroradiometer." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/185990.

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This dissertation describes the design, construction, and calibration of a portable short wave infrared (SWIR) spectroradiometer. The main use for the instrument is the collection of ground reflectance and radiance data for the radiometric calibration of operational and proposed high spectral resolution remote-sensing systems, such as the Airborne Visible and Infrared Imaging Spectrometer (AVIRIS), the Moderate Resolution Imaging Spectroradiometer (MODIS), the High Resolution Imaging Spectrometer (HIRIS), and the Advanced Spaceborne Thermal Emission and Reflectance Radiometer (ASTER). The instrument will also be used for cross calibrating Earth Observing System (EOS) calibration facilities and for a variety of high spectral resolution studies in earth science. The instrument is designed to be carried as a backpack unit, on a vehicle, or in a helicopter or airplane. The spectroradiometer covers the range from 1.05 to 2.45 μm. The spectral sampling interval is 1.37 nm and the spectral resolution is variable from about 5 nm to more than 100 nm. A single spectrum can be acquired in as little as 1 s. The signal-to-noise ratio (SNR) for a single 1-s scan is about 90 at a wavelength of 2.2 μm for a lambertian surface of 100% reflectance illuminated by the sun at normal incidence with 14-nm spectral resolution, a 25° background temperature, and no atmospheric attenuation. The SNR can be improved by averaging multiple scans. Field-of-view defining optics are coupled by a flexible fiber optics bundle to the spectroradiometer, which consists of a non-scanning concave holographic diffraction grating with flat focal field imaged onto a 1024-element liquid-nitrogen-cooled PtSi linear-array detector. The combination of concave grating and linear-array detector was chosen in preference to Fourier transform, Hadamard transform, and scanned grating monochromator systems on the basis of simplicity, high SNR, and greatest radiometric accuracy.
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Buchhauser, David 1950. "Design, construction, and testing of a microprocessor controlled tracking and scanning solar spectroradiometer." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276567.

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A versatile solar spectroradiometer has been designed which is capable of measuring direct solar radiation, the solar aureole, and sky radiance far from the sun. An active tracker consisting of a quadrant detector, telescope and stepper-motor driven alt-azimuth mount is used to position the spectroradiometer by computer control for solar tracking and almucantur scans. An internally baffled telescope designed to suppress stray light is employed as the optical receiver, and a photodiode serves to convert the collected flux to an electrical signal. A digitally controlled gain-switching transimpedance amplifier is used to scale the photodiode output to accommodate the large signal range encountered between measuring direct solar radiation and sky radiance well away from the sun. Example measurements are presented which demonstrate the system's capabilities.
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Adhikari, Loknath. "Cloudy condition assessment within an AIRS pixel by combining MODIS and ARM ground-based lidar and radar measurements." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1456295781&sid=7&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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Braga, Alexandre. "Modulation Transfer Function Derivation for Spatial Calibration of NASA's Moderate Resolution Imaging Spectroradiometer (MODIS)." Thesis, The University of Arizona, 2000. http://hdl.handle.net/10150/615080.

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Books on the topic "Spectroradiometer"

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Center, Goddard Space Flight, ed. MODIS: Moderate resolution imaging spectroradiometer. Greenbelt, Md: The Administration, Goddard Space Flight Center, 1995.

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Allenov, M. I. Metody i apparatura spektroradiometrii prirodnykh sred. Moskva: Moskovskoe otd. Gidrometeoizdat, 1992.

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Larason, Thomas C. Spectroradiometric detector measurements: Part 1-ultraviolet detectors and part II-visible to near-infrared detectors. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1998.

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Kostkowski, Henry J. Reliable spectroradiometry. La Plata, Md: Spectroradiometry Consulting, 1997.

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United States. National Aeronautics and Space Administration., ed. Development of moored oceanographic spectroradiometer: Final report. San Diego, Calif: Biospherical Instruments, Inc., 1987.

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Purdy, Terri L. Use of high-spectral resolution airborne spectroradiometer data to map hydrothermally altered rocks in the Gabbs Valley Range, Nevada. [Denver, Colo.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1985.

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Purdy, Terri L. Use of high-spectral resolution airborne spectroradiometer data to map hydrothermally altered rocks in the Gabbs Valley Range, Nevada. [Denver, Colo.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1985.

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P, Eppeldauer George, and National Institute of Standards and Technology (U.S.), eds. Spectroradiometric detector measurements. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1998.

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P, Eppeldauer George, and National Institute of Standards and Technology (U.S.), eds. Spectroradiometric detector measurements. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1998.

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P, Eppeldauer George, and National Institute of Standards and Technology (U.S.), eds. Spectroradiometric detector measurements. Gaithersburg, MD: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 1998.

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Book chapters on the topic "Spectroradiometer"

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Gardiner, Brian G. "Spectroradiometer Calibration Methods and Techniques." In Solar Ultraviolet Radiation, 119–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-662-03375-3_8.

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Arellano-Verdejo, Javier. "Moderate Resolution Imaging Spectroradiometer Products Classification Using Deep Learning." In Communications in Computer and Information Science, 61–70. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-33229-7_6.

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Xiong, Xiaoxiong, Michael D. King, Vincent V. Salomonson, William L. Barnes, Brian N. Wenny, Amit Angal, Aisheng Wu, Sriharsha Madhavan, and Daniel O. Link. "Moderate Resolution Imaging Spectroradiometer on Terra and Aqua Missions." In Optical Payloads for Space Missions, 53–89. Chichester, UK: John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118945179.ch3.

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Teixeira, Antônio H. de C., Janice F. Leivas, and Gustavo Bayma-Silva. "Drought Assessments by Coupling Moderate Resolution Imaging Spectroradiometer Images and Weather Data." In Remote Sensing of Hydrometeorological Hazards, 53–68. Boca Raton, FL : Taylor & Francis, 2018.: CRC Press, 2017. http://dx.doi.org/10.1201/9781315154947-3.

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Webb, Ann R., and Irina P. Terenetskaya. "Combined Study of Antirachitic Solar UVB Radiation by Spectroradiometer and “Vitamin D” Biodosimeter." In Biologic Effects of Light 1998, 153–55. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-5051-8_28.

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Shejul, Sulochana, Pravin Dhole, Vijay Dhangar, and Bharti Gawali. "Crop Health Analysis with the Help of Soil Parameters by Using ASDFieldspec4 Spectroradiometer." In Advances in Computer Science Research, 415–30. Dordrecht: Atlantis Press International BV, 2023. http://dx.doi.org/10.2991/978-94-6463-136-4_35.

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Wiggli, M., R. Ghosh, and R. Bachofen. "Use of the Labspectm Vnir-512 Spectroradiometer for In Situ Spectroscopy of Single Colonies." In Photosynthesis: from Light to Biosphere, 2477–80. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-009-0173-5_584.

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Zhu, Baisu, and Chen Li. "Moderate resolution imaging spectroradiometer (MODIS)-based internal wave detection in the East China Sea." In Civil Engineering and Urban Research, Volume 1, 280–85. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003334064-37.

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Vijeta, Shibu Saha, V. K. Jaiswal, and Parag Sharma. "Realization of Total Spectral Radiant Flux of an Incandescent Lamp with Three Spectroradiometer Configurations." In Recent Advances in Metrology, 191–97. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-4594-8_20.

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Gaussorgues, G. "Infrared Spectroradiometry." In Infrared Thermography, 453–70. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0711-2_15.

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Conference papers on the topic "Spectroradiometer"

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Grandum, Oddbjorn, and Jorgen Lovseth. "Automatic scanning spectroradiometer." In High Latitude Optics, edited by Knut H. Stamnes. SPIE, 1993. http://dx.doi.org/10.1117/12.163527.

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Diner, David J. "EOS Multiangle Imaging Spectroradiometer." In Orlando '90, 16-20 April, edited by James A. Smith. SPIE, 1990. http://dx.doi.org/10.1117/12.21403.

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Serra, G., G. Bellaiche, P. Encrenaz, and J. M. Lamarre. "Balloonborne Far-Ir Spectroradiometer." In Hague International Symposium, edited by Hanspeter Lutz and Georges Otrio. SPIE, 1987. http://dx.doi.org/10.1117/12.941528.

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Chang, C. W., L. Char, J. H. Wong, J. E. Zhuang, B. Saengtuskin, Amos C. N. Goh, and S. C. Liew. "Autonomous three channel spectroradiometer." In IGARSS 2012 - 2012 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2012. http://dx.doi.org/10.1109/igarss.2012.6350836.

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McGlynn, James B., Garth L. Gerber, David L. Perry, Joseph C. Marron, Michael F. Reiley, and M. C. Dudzik. "Staring infrared imaging spectroradiometer." In SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, edited by Michael R. Descour, Jonathan M. Mooney, David L. Perry, and Luanna R. Illing. SPIE, 1995. http://dx.doi.org/10.1117/12.210887.

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Moreau, Louis, Claude Roy, Christian Vallières, Luc Levesque, and Marc-André Soucy. "A new imaging FTIR spectroradiometer." In SPIE Europe Security + Defence, edited by David A. Huckridge and Reinhard R. Ebert. SPIE, 2009. http://dx.doi.org/10.1117/12.830332.

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Eriksen, P. "A miniature spectroradiometer for dosimetry." In Institutes for Advanced Optical Technologies, edited by Gerhard J. Mueller, David H. Sliney, and Roy F. Potter. SPIE, 1989. http://dx.doi.org/10.1117/12.2283598.

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Pagano, Thomas S., and Rodney M. Durham. "Moderate Resolution Imaging Spectroradiometer (MODIS)." In Optical Engineering and Photonics in Aerospace Sensing, edited by William L. Barnes. SPIE, 1993. http://dx.doi.org/10.1117/12.152835.

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Tadashi Kato, Yanqun Xue, Takeshi Aoshima, and Toshikazu Hasegawa. "Development of a broadband spectroradiometer." In 2008 33rd IEEE Photovolatic Specialists Conference (PVSC). IEEE, 2008. http://dx.doi.org/10.1109/pvsc.2008.4922581.

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Rapp, Ronald J., and Henry I. Register. "Infrared imaging spectroradiometer program overview." In SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, edited by Michael R. Descour, Jonathan M. Mooney, David L. Perry, and Luanna R. Illing. SPIE, 1995. http://dx.doi.org/10.1117/12.210886.

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Reports on the topic "Spectroradiometer"

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Pilewskie, P., and J. Pommier. Shortwave Spectroradiometer (SWS) Handbook. Office of Scientific and Technical Information (OSTI), November 2006. http://dx.doi.org/10.2172/1020259.

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Kiedron, P., J. Schlemmer, and M. Klassen. Rotating Shadowband Spectroradiometer (RSS) Handbook. Office of Scientific and Technical Information (OSTI), January 2005. http://dx.doi.org/10.2172/1020275.

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Flynn, Connor J. Shortwave Array Spectroradiometer–Hemispheric (SASHe) Instrument Handbook. Office of Scientific and Technical Information (OSTI), April 2016. http://dx.doi.org/10.2172/1251414.

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Flynn, Connor J. Shortwave Array Spectroradiometer–Zenith (SASZe) Instrument Handbook. Office of Scientific and Technical Information (OSTI), April 2016. http://dx.doi.org/10.2172/1251415.

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Swanson, Rand. A Compact, Broad-Band Hyperspectral SpectroRadiometer: Final Report. Office of Scientific and Technical Information (OSTI), November 2015. http://dx.doi.org/10.2172/1227165.

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Habte, A., A. Andreas, L. Ottoson, C. Gueymard, G. Fedor, S. Fowler, J. Peterson, et al. Indoor and Outdoor Spectroradiometer Intercomparison for Spectral Irradiance Measurement. Office of Scientific and Technical Information (OSTI), May 2014. http://dx.doi.org/10.2172/1134121.

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Villa, E., D. R. Suhre, and L. H. Taylor. Spectral Analysis of Airborne Effluents from Nuclear Facilities and Design of AOTF Spectroradiometer. Office of Scientific and Technical Information (OSTI), March 1995. http://dx.doi.org/10.2172/64286.

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Chiu, Christine. 3D Shortwave Radiative Kernels of Marine Boundary-layer Clouds Using Scanning Radar/Lidar and Array Spectroradiometer. Office of Scientific and Technical Information (OSTI), February 2019. http://dx.doi.org/10.2172/1496020.

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Letcher, Theodore, Julie Parno, Zoe Courville, Lauren Farnsworth, and Jason Olivier. A generalized photon-tracking approach to simulate spectral snow albedo and transmittance using X-ray microtomography and geometric optics. Engineer Research and Development Center (U.S.), June 2023. http://dx.doi.org/10.21079/11681/47122.

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Abstract:
A majority of snow radiative transfer models (RTMs) treat snow as a collection of idealized grains rather than an organized ice–air matrix. Here we present a generalized multi-layer photon-tracking RTM that simulates light reflectance and transmittance of snow based on X-ray micro- tomography images, treating snow as a coherent 3D structure rather than a collection of grains. The model uses a blended approach to expand ray-tracing techniques applied to sub-1 cm3 snow samples to snowpacks of arbitrary depths. While this framework has many potential applications, this study’s effort is focused on simulating reflectance and transmittance in the visible and near infrared (NIR) through thin snow- packs as this is relevant for surface energy balance and remote sensing applications. We demonstrate that this framework fits well within the context of previous work and capably reproduces many known optical properties of a snow surface, including the dependence of spectral reflectance on the snow specific surface area and incident zenith angle as well as the surface bidirectional reflectance distribution function (BRDF). To evaluate the model, we compare it against reflectance data collected with a spectroradiometer at a field site in east-central Vermont. In this experiment, painted panels were inserted at various depths beneath the snow to emulate thin snow. The model compares remarkably well against the reflectance measured with a spectroradiometer, with an average RMSE of 0.03 in the 400–1600 nm range. Sensitivity simulations using this model indicate that snow transmittance is greatest in the visible wavelengths, limiting light penetration to the top 6 cm of the snowpack for fine-grain snow but increasing to 12 cm for coarse-grain snow. These results suggest that the 5% transmission depth in snow can vary by over 6 cm according to the snow type.
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Early, E. A., and Ambler Thompson. Report on USDA ultraviolet spectroradiometers. Gaithersburg, MD: National Institute of Standards and Technology, 1996. http://dx.doi.org/10.6028/nist.ir.5871.

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