Academic literature on the topic 'Optical measurements'

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Journal articles on the topic "Optical measurements"

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Cennamo, Nunzio, and Pedro A. S. Jorge. "Optical Measurements." IEEE Instrumentation & Measurement Magazine 24, no. 5 (2021): 3–4. http://dx.doi.org/10.1109/mim.2021.9490999.

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Pawłowska, Sandra. "Computer Support of Analysis of Optical Spectra Measurements." Engineering Proceedings 6, no. 1 (2021): 51. http://dx.doi.org/10.3390/i3s2021dresden-10150.

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The verification of measurement errors has a big impact on the assessment of the accuracy of conducted measurements and obtained results. In many cases, computer simulation results are compared with measurement results in order to evaluate measurement errors. The purpose of our research was to check the accuracy of measurements made with a Fabry–Perot interferometer working in the transmission mode. In the measurement setup, a 1310 nm superluminescent diode light source, single-mode optical fibers and an optical spectrum analyzer were used. The influence of the length of the resonating cavity
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Adams, M. J., and P. J. R. Laybourn. "Optical fibre measurements." IEE Proceedings J Optoelectronics 135, no. 3 (1988): 189. http://dx.doi.org/10.1049/ip-j.1988.0036.

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Jennings, D. A., K. M. Evenson, and D. J. E. Knight. "Optical frequency measurements." Proceedings of the IEEE 74, no. 1 (1986): 168–79. http://dx.doi.org/10.1109/proc.1986.13430.

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Belich, T. James, Ryan P. Lahm, Richard W. Peterson, and Chad D. Whipple. "Optical Doppler measurements." American Journal of Physics 65, no. 3 (1997): 186–90. http://dx.doi.org/10.1119/1.18528.

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Kukołowicz, Paweł, Dariusz Szalkowski, Beata Jackowska-Zduniak, and Mikołaj Tarchalski. "Optical system for precise isocenter measurement." Polish Journal of Medical Physics and Engineering 29, no. 4 (2023): 178–84. http://dx.doi.org/10.2478/pjmpe-2023-0019.

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Abstract Introduction: The geometrical precision of the machines is essential for effective and safe radiotherapy. Methods currently used for the measurement of the mechanical isocenter have many limitations. In this work, the optical system NaviRation for very precise measurement of mechanical accelerator isocenter is described. The results of the measurement of the isocenter for linear accelerator are also presented. Materials and methods: An optical system for measuring the accelerator isocenter was designed and built. The optical system consists of two cameras recording the target position
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Bernstein, Johannes, and Albert Weckenmann. "Measurement uncertainty evaluation of optical multi-sensor-measurements." Measurement 45, no. 10 (2012): 2309–20. http://dx.doi.org/10.1016/j.measurement.2011.10.032.

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Matlis, Giselle C., Qihuang Zhang, Emilie J. Benson, et al. "Chassis-based fiber-coupled optical probe design for reproducible quantitative diffuse optical spectroscopy measurements." PLOS ONE 19, no. 7 (2024): e0305254. http://dx.doi.org/10.1371/journal.pone.0305254.

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Advanced optical neuromonitoring of cerebral hemodynamics with hybrid diffuse optical spectroscopy (DOS) and diffuse correlation spectroscopy (DCS) methods holds promise for non-invasive characterization of brain health in critically ill patients. However, the methods’ fiber-coupled patient interfaces (probes) are challenging to apply in emergent clinical scenarios that require rapid and reproducible attachment to the head. To address this challenge, we developed a novel chassis-based optical probe design for DOS/DCS measurements and validated its measurement accuracy and reproducibility again
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Pillarz, Marc, Axel von Freyberg, Dirk Stöbener, and Andreas Fischer. "Gear Shape Measurement Potential of Laser Triangulation and Confocal-Chromatic Distance Sensors." Sensors 21, no. 3 (2021): 937. http://dx.doi.org/10.3390/s21030937.

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The demand for extensive gear shape measurements with single-digit µm uncertainty is growing. Tactile standard gear tests are precise but limited in speed. Recently, faster optical gear shape measurement systems have been examined. Optical gear shape measurements are challenging due to potential deviation sources such as the tilt angles between the surface normal and the sensor axis, the varying surface curvature, and the surface properties. Currently, the full potential of optical gear shape measurement systems is not known. Therefore, laser triangulation and confocal-chromatic gear shape mea
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Trolinger, James D., Amit Lal, Joshua Jo, and Stephen Kupiec. "Programmable Holographic Optical Elements as Adaptive Optics in Optical Diagnostics Devices." Key Engineering Materials 437 (May 2010): 108–12. http://dx.doi.org/10.4028/www.scientific.net/kem.437.108.

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This paper reports a combined, Hartmann/Digital Holographic interferometry inspection system for inspecting optical components that do not easily lend themselves to conventional interferometric or Hartmann inspection. A programmable holographic optical element (HOE) preconditions wavefronts to extend the dynamic range of interferometry measurements and also transforms the same system into a scanning Hartmann operation, which has lower resolution but higher dynamic range. Inspecting aspherical surfaces with existing interferometers requires special, computer generated holographic optical elemen
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Dissertations / Theses on the topic "Optical measurements"

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McDonald, Alison. "Measurements in optical microscopy." Thesis, University of Strathclyde, 2012. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=19082.

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Optical microscopy is a powerful technique that allows visualisation of structures that are invisible with the naked eye. With innovations in computer technology, detectors, optics and photochemistry, the field of microscopy has developed significantly in recent years with highly sophisticated systems commercially available as a matter of routine. With the advent of new microscopes new challenges arise, particularly in the quantification of data so that the end-user may better understand the images obtained. For accurate quantification, the microscope has to be accurately aligned and calibrate
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LOSERO, ELENA. "Quantum enhanced optical measurements." Doctoral thesis, Politecnico di Torino, 2020. http://hdl.handle.net/11583/2841168.

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Pretorius, Shaun. "Development of flexible automotive measurement adaptors for the PQ25 VWSA platform." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/1632.

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The following work describes all knowledge required in the creation of new automotive optical Photogrammetrical adaptors, which allow the user thereof to measure a fully assembled vehicle in its natural position, i.e. on its wheels for the PQ25 platform at Volkswagen of South Africa. The system is the only method available to the manufacturing plant to measure a fully assembled vehicle in this manner. The FlexMess system allows for a quick portable measurement of a vehicle at all stages of Vehicle manufacturing, aligned via the Volkswagen RPS standards. In the first part of the work, the probl
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Lee, Dicky. "Optical parametric oscillators and precision optical frequency measurements." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/38369.

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Sidik, Madihah Binti Jafar. "Optical measurements of suspended sediments." Thesis, Bangor University, 2016. https://research.bangor.ac.uk/portal/en/theses/optical-measurements-of-suspended-sediments(e93593ab-41cf-4039-ac87-2fdcffd15a10).html.

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Sunlight in the ocean water is important for primary productivity, however, in coastal seas, suspended sediments (SPM) limit the availability of sunlight. The suspended sediments scatter and absorb light. Some of the scattered light travel back (backscattered light) to space and can be used in remote sensing of suspended sediments. The absorption of light by suspended particles gives coastal seas their characteristic green colour (suspended sediments in coastal water absorb blue light and only green light of the visible spectrum left in the water column). In this thesis, we evaluate two very d
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George, Sebastian. "Optical and Magneto-Optical Measurements of Plasmonic Magnetic Nanostructures." Thesis, Uppsala universitet, Materialfysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-229511.

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At the interface between a metal and dielectric, it is possible for an electromagnetic wave to couple with the conduction electrons of the metal to create a coupled oscillation known as a surface plasmon. These surface plasmons can exhibit properties which are not shared with their purely electronic or electromagnetic components. Such unique properties include the ability to transmit plasmonic waves through sub-wavelength spaces, opening up the possibility of combining the high data density seen in photonics-based information technologies with the nanometer-scale electronic components of moder
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Li, Yiling. "Optical Measurements of Rolling Friction Coefficients." Licentiate thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-142.

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This thesis presents an optical method to measure the rolling friction coefficientsfor balls rolling freely on a cylindrical surface. Two different models of a ball rollingfreely on a cylindrical surface are established, one is an analytical model and the otheris a numerical model derived from Lagrange equation. The rolling friction coefficientsare evaluated from the position data of the steel balls. The positions data are retrievedfrom images recorded by a high-speed camera. The locating algorithms includingbackground subtraction and ball recognition are presented in detail. The rollingfricti
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Tibaldi, Pier Silvio TIbaldi. "Flexible Time-Resolved Magneto-Optical Measurements." Thesis, Uppsala universitet, Materialfysik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-304296.

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We present a time-resolved Kerr microscope, capable of measuring the magnetization dynamics of samples grown on transparent, double-side-polished substrates.The magnetization is excited by a current pulse, using a coplanar waveguide placed beneath the samples. The Kerr rotation is detected with the stroboscopic pump-probe technique, using a probing laser, synchronized with the current pulse.We report benchmark measurements of the time-resolved Kerr instrument for magnetization dynamics in thin permalloy and FePd films. The experimental results for ferromagnetic resonance peaks have been compar
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Pilling, Neil Anthony. "Optical fibre measurements in power systems." Thesis, University of Liverpool, 1992. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282738.

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Faber, Dirk Johannes. "Functional optical coherence tomography spatially resolved measurements of optical properties /." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2005. http://dare.uva.nl/document/88794.

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Books on the topic "Optical measurements"

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Mayinger, Franz, ed. Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1.

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Mayinger, Franz, and Oliver Feldmann, eds. Optical Measurements. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56443-7.

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Lehner, Markus, and Dieter Mewes, eds. Applied Optical Measurements. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58496-1.

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Lehner, Markus. Applied Optical Measurements. Springer Berlin Heidelberg, 1999.

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F, Orr J., and Shelton J. C, eds. Optical measurement methods in biomechanics. Chapman & Hall, 1997.

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1937-, Malacara Daniel, ed. Physical optics and light measurements. Academic Press, 1988.

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Gåsvik, Kjell J. Optical metrology. Wiley, 1987.

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C, Williams D., ed. Optical methods in engineering metrology. Chapman & Hall, 1993.

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Mayinger, Franz. Optical Measurements: Techniques and Applications. Springer Berlin Heidelberg, 1994.

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Thompson, James E., and Lawrence H. Luessen, eds. Fast Electrical and Optical Measurements. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-017-0445-8.

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Book chapters on the topic "Optical measurements"

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Klas, J., and G. Strube. "Introduction." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_1.

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Beauvais, R. "Laser-Doppler Velocimetry (LDV)." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_10.

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Kruppa, B., and J. Straub. "Dynamic Light Scattering." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_11.

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Strube, G. "Raman Scattering." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_12.

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Andresen, P., and G. Strube. "Laser induced Fluorescence." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_13.

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Wolfrum, J., and V. Ebert. "Absorption." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_14.

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Glückert, U. L. "Pyrometry and Thermography." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_15.

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Haibel, M., and G. Strube. "Self Fluorescence." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_16.

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Mewes, D., C. Herman, and R. Renz. "Tomographic Measurement and Reconstruction Techniques." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_17.

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Gebhard, P., J. Klas, and G. Strube. "Applications and Potential." In Optical Measurements. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-662-02967-1_2.

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Conference papers on the topic "Optical measurements"

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Cerqua-Richardson, K. A., S. L. Schmidt, and J. Vakiner. "Subsurface Damage Measurements of Opticam-generated Infrared Materials." In Optical Fabrication and Testing. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/oft.1994.omd5.

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The optical fabrication time associated with an optical component’s production most often dictates its final cost. Historically, art-driven conventional fabrication techniques used to produce infrared (IR) optics were labor-intensive, making the costs of such components prohibitive. Alternate, lower cost, fabrication technologies based on automated machine systems such as diamond turning, have been shown to be effective in generating high quality optical surfaces for some non-brittle materials. During the past year, fabrication techniques employing Opticam microgrinding technology have been de
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Nadal, Maria. "Spectrophotometric Measurements." In Optical Interference Coatings. OSA, 2010. http://dx.doi.org/10.1364/oic.2010.the1.

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Vidal-Moreno, Pedro J., Etienne Rochat, María R. Fernández-Ruiz, et al. "Towards ultra-stable DAS measurements." In Optical Fiber Sensors. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/ofs.2022.th4.26.

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Distributed acoustic sensors cumulatively measure fiber variations, introducing a 1/f noise that makes long-term measurements impossible. We present an “absolute” measurement method that allows accurate single-shot measurements at frequencies from <0.1 μHz to acoustic frequencies.
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Thomas, Norman L. "Angular Measurements In Optical Testing." In Optical Fabrication and Testing. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oft.1980.ffa6.

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The measurement of angles plays an important role in practically every discipline of optics, including prism manufacture, optical assembly and alignment. It is the purpose of this paper to review some of the angle measurement techniques and how they are used in optical testing.
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Le Lay, Audrey. "New measurement tool to measure scattering of materials for 2D/3D scattered light measurements and BRDF/BTDF measurements." In Optical Systems Design 2005. SPIE, 2005. http://dx.doi.org/10.1117/12.639293.

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Goldstein, Fred T. "Automating spectral measurements." In Optical Systems Design, edited by Angela Duparré and Roland Geyl. SPIE, 2008. http://dx.doi.org/10.1117/12.797562.

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Kashchuk, Anatolii V., Alexander B. Stilgoe, Timo A. Nieminen, and Halina H. Rubinsztein-Dunlop. "Absolute temperature measurements in optical tweezers by synchronized position and force measurement (Conference Presentation)." In Optical Trapping and Optical Micromanipulation XIV, edited by Kishan Dholakia and Gabriel C. Spalding. SPIE, 2017. http://dx.doi.org/10.1117/12.2274659.

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Neuschaefer-Rube, U., M. Bartscher, M. Neukamm, et al. "Measurement of micro gears: comparison of optical, tactile-optical, and CT measurements." In IS&T/SPIE Electronic Imaging, edited by J. Angelo Beraldin, Geraldine S. Cheok, Michael B. McCarthy, et al. SPIE, 2011. http://dx.doi.org/10.1117/12.872413.

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Rzepka, Janusz, Grzegorz Budzyn, Wojciech Fraczek, and Marcin Bielenin. "Zeeman laser for straightness measurements." In Optical Metrology, edited by Wolfgang Osten, Christophe Gorecki, and Erik L. Novak. SPIE, 2005. http://dx.doi.org/10.1117/12.612658.

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Peters, J. W., M. R. Ozgur, O. S. Gebizlioglu, and D. Teller. "Field measurements of PMD using four measurement techniques." In OFCNFOEC 2006. 2006 Optical Fiber Communication Conference and the National Fiber Optic Engineers Conference. IEEE, 2006. http://dx.doi.org/10.1109/ofc.2006.215385.

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Reports on the topic "Optical measurements"

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Bruening, Robert J., and Minggao He. Optical radiation measurements :. National Bureau of Standards, 1988. http://dx.doi.org/10.6028/nbs.tn.594-14.

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Zaneveld, Ronald V. Optical Measurements of Sea Ice. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada329471.

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Goss, Larry P. Optical Measurements in Electric Fields. Defense Technical Information Center, 1987. http://dx.doi.org/10.21236/ada259221.

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Martin, Lee U., and William P. Hooper. Optical Refraction Measurements Across Chesapeake Bay. Defense Technical Information Center, 2002. http://dx.doi.org/10.21236/ada400983.

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Zaneveld, J. R. In-ice Optical Measurements and Theory. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada627877.

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Hill, Kent B., and Carl A. Villarruel. POTDR Measurements on Buried Optical Fibers. Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada351903.

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Engelsrath, A., B. L. Danielson, and D. L. Franzen. Attenuation measurements on deformed optical fibers. National Bureau of Standards, 1986. http://dx.doi.org/10.6028/nbs.ir.86-3052.

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Disterhaupt, Jennifer L. Electrophysiological and Optical Measurements of Retinal Function. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1131779.

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Dolan, Daniel H.,, Christopher Seagle, and Tommy Ao. Dynamic temperature measurements with embedded optical sensors. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1096517.

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Charest, J. A., and C. S. Lynch. Investigation of optical methods for hydroyield measurements. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6328725.

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