Academic literature on the topic 'MidWave Infrared (MWIR)'

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Journal articles on the topic "MidWave Infrared (MWIR)"

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Scafutto, Rebecca, and Carlos de Souza Filho. "Detection of Methane Plumes Using Airborne Midwave Infrared (3–5 µm) Hyperspectral Data." Remote Sensing 10, no. 8 (2018): 1237. http://dx.doi.org/10.3390/rs10081237.

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Methane (CH4) display spectral features in several regions of the infrared range (0.75–14 µm), which can be used for the remote mapping of emission sources through the detection of CH4 plumes from natural seeps and leaks. Applications of hyperspectral remote sensing techniques for the detection of CH4 in the near and shortwave infrared (NIR-SWIR: 0.75–3 µm) and longwave infrared (LWIR: 7–14 µm) have been demonstrated in the literature with multiple sensors and scenarios. However, the acquisition and processing of hyperspectral data in the midwave infrared (MWIR: 3–5 µm) for this application is
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Kim, Yerin, and Sungwook Hong. "Deep Learning-Generated Nighttime Reflectance and Daytime Radiance of the Midwave Infrared Band of a Geostationary Satellite." Remote Sensing 11, no. 22 (2019): 2713. http://dx.doi.org/10.3390/rs11222713.

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Midwave infrared (MWIR) band of 3.75 μm is important in satellite remote sensing in many applications. This band observes daytime reflectance and nighttime radiance according to the Earth’s and the Sun’s effects. This study presents an algorithm to generate no-present nighttime reflectance and daytime radiance at MWIR band of satellite observation by adopting the conditional generative adversarial nets (CGAN) model. We used the daytime reflectance and nighttime radiance data in the MWIR band of the meteoritical imager (MI) onboard the Communication, Ocean and Meteorological Satellite (COMS), a
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Bouschet, Maxime, Vignesh Arounassalame, Anthony Ramiandrasoa, et al. "Temperature Dependence Study of Electrical and Electro-Optical Performances of Midwave Infrared Ga-Free T2SL Barrier Photodetector." Applied Sciences 12, no. 20 (2022): 10358. http://dx.doi.org/10.3390/app122010358.

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In this paper, we report on temperature dependence performances of a midwave infrared (MWIR) Ga-free InAs/InAsSb type-II superlattice (T2SL) barrier (XBn) photodetector grown by molecular beam epitaxy on n-type GaSb substrate. The T2SL structure, with a 3 µm thick active region, was processed in a mesa device in order to perform dark current measurements and spectral photoresponse as a function of temperature. Analyses of these temperature dependence characterizations help us to improve the design of Ga-free T2SL MWIR XBn detectors.
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Kumari, K. C. Goma, H. M. Rawool, and S. Chakrabarti. "Demonstration of Fabricated Midwave Infrared InAs/GaSb Type-II Superlattice-based Focal Plane Arrays." Defence Science Journal 67, no. 2 (2017): 149. http://dx.doi.org/10.14429/dsj.67.11178.

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In this study, fabricated 320 × 256 infrared focal plane arrays (FPAs) were realised using a GaSb/InAs-based type-II superlattice heterostructure for midwave infrared (MWIR) imaging. We report here the optimized fabrication and characterization of single-pixel infrared detectors and FPAs. MWIR spectral response up to 5 μm of these single-pixel detectors was evident up to 250 K. Responsivity was measured to be 1.62 A/W at 0.8 V and 80 K. Current–voltage characteristics at room temperature (300 K) and at low temperature (18 K) revealed the resistance and dark current variation of the device in t
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Rudy, Richard J., Ray W. Russell, David K. Lynch, and Michael L. Sitko. "The Early Infrared Spectrum of the Fe ii Nova V1310 Scorpii." Research Notes of the AAS 9, no. 4 (2025): 91. https://doi.org/10.3847/2515-5172/adcd77.

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Abstract V1310 Scorpii (Nova Scorpii 2010, No. 1) was an Fe ii-type nova whose early spectral properties are broadly representative of the class. We present a 0.8–5.2 μm spectrum from 11 days after peak brightness that exhibit these properties. In addition to the emission lines of C i, N i, and O i, V1310 Sco also shows the well-known one and two micron Fe ii lines as well as midwave infrared (MWIR) Fe ii lines not previously reported in novae. The strongest of the MWIR Fe ii lines all descend from the same term (c4P), a term that is different from those that produce the one and two micron Fe
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Platnick, Steven, Kerry Meyer, Nandana Amarasinghe, Galina Wind, Paul A. Hubanks, and Robert E. Holz. "Sensitivity of Multispectral Imager Liquid Water Cloud Microphysical Retrievals to the Index of Refraction." Remote Sensing 12, no. 24 (2020): 4165. http://dx.doi.org/10.3390/rs12244165.

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A cloud property retrieved from multispectral imagers having spectral channels in the shortwave infrared (SWIR) and/or midwave infrared (MWIR) is the cloud effective particle radius (CER), a radiatively relevant weighting of the cloud particle size distribution. The physical basis of the CER retrieval is the dependence of SWIR/MWIR cloud reflectance on the cloud particle single scattering albedo, which in turn depends on the complex index of refraction of bulk liquid water (or ice) in addition to the cloud particle size. There is a general consistency in the choice of the liquid water index of
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Kelly, Michael A., James L. Carr, Dong L. Wu, Arnold C. Goldberg, Ivan Papusha, and Renee T. Meinhold. "Compact Midwave Imaging System: Results from an Airborne Demonstration." Remote Sensing 14, no. 4 (2022): 834. http://dx.doi.org/10.3390/rs14040834.

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The Compact Midwave Imaging System (CMIS) is a wide field of view, multi-angle, multi-spectral pushframe imager that relies on the forward motion of the satellite to create a two-dimensional (2D) image swath. An airborne demonstration of CMIS was successfully completed in January–February 2021 on the NASA Langley Research Center Gulfstream III. The primary objective of the four-flight campaign was to demonstrate the capability of this unique instrument to perform stereo observations of clouds and other particulates (e.g., smoke) in the atmosphere. It is shown that the midwave infrared (MWIR) s
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Sharma, Anurag, Jyoti kedia, and Neena Gupta. "Numerical demonstration of low-dark-current photodetector using phoxonic crystal waveguide for midwave infrared (MWIR) sensing." Sensors and Actuators A: Physical 391 (September 2025): 116634. https://doi.org/10.1016/j.sna.2025.116634.

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Pelta, Ran, and Eyal Ben-Dor. "An Exploratory Study on the Effect of Petroleum Hydrocarbon on Soils Using Hyperspectral Longwave Infrared Imagery." Remote Sensing 11, no. 5 (2019): 569. http://dx.doi.org/10.3390/rs11050569.

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Manmade crude oil contamination, which has negative impacts on the environment and human health, can be found in various ecosystems all over the globe. Hyperspectral remote sensing (HRS) is an efficient tool to investigate this crude oil contamination where its electromagnetic spectrum is analyzed. This exploratory study used an innovative HRS imagery sensor to study the effect of petroleum hydrocarbon (PHC), found in crude oil, on the spectrum of soils across the longwave infrared (LWIR 8–12 μm) spectral region. This contrasts with previous studies that focused on shortwave and midwave infrar
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Chen, Weiyu, Ko-Han Shih, and C. Kyle Renshaw. "Dispersive Sweatt Model for Broadband Lens Design with Metasurfaces." Photonics 12, no. 1 (2025): 43. https://doi.org/10.3390/photonics12010043.

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The Sweatt model has been extensively used to design optical systems containing diffractive optical elements (DOEs) because it captures the dispersive characteristics of DOEs. We introduce a new dispersive Sweatt model (DSM) that can describe meta-atom (MA) dispersion, which has material and geometric contributions in addition to diffraction. It uses a wavelength-dependent scalar coefficient to modify the diffractive dispersion and describe the dispersion of a given MA basis. This provides a robust framework to design systems containing metasurface (MS) elements while including their unique di
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Dissertations / Theses on the topic "MidWave Infrared (MWIR)"

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Abajyan, Pavel. "Génération et contrôle de peignes de fréquences optiques dans les lasers à cascade d'interbande (ICL)." Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS024.

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Les peignes de fréquence optique (OFC) sont des sources de lumière cohérente qui émettent un large spectre de modes discrets parfaitement espacés, chacun avec une fréquence absolue mesurable avec la précision d'une horloge atomique.Les OFC dans l'infrarouge moyen (MIR 3-12 μm) sont récemment devenus d'un grand intérêt pour la spectroscopie moléculaire par la présence de forte absorption des modes de vibration et de rotation moléculaires dans la région des "empreintes digitales" spectroscopiques. Néanmoins, le fonctionnement de l'OFC dans la région cruciale de l'infrarouge moyen (MWIR 3-6 μm) r
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Conference papers on the topic "MidWave Infrared (MWIR)"

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Shafer, Thomas, Ramon Torres-Valladolid, Robert Burford, et al. "High operating temperature (HOT) midwave infrared (MWIR) 6 µm pitch camera core performance and maturity." In Infrared Technology and Applications XLVIII, edited by Gabor F. Fulop, Masafumi Kimata, Lucy Zheng, Bjørn F. Andresen, John Lester Miller, and Young-Ho Kim. SPIE, 2022. http://dx.doi.org/10.1117/12.2618719.

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"Comparative Evaluation of a High Operating Temperature Midwave Infrared Detector for Automated Non-Destructive Inspection of Composite Damage." In Structural Health Monitoring. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901311-4.

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Abstract. A new high operating temperature (HOT) midwave infrared (MWIR) imaging core is experimentally evaluated for use in automated inspection of composite impact damage by line scan thermography (LST). This evaluation is undertaken as part of a broader effort to develop an autonomous inspection capability for aerospace composite structures, deployable by ground and aerial robotic systems. The performance of the HOT MWIR core is assessed against a high-performance cooled photon-detector camera, an uncooled microbolometer core and an uncooled microbolometer camera, on two carbon epoxy lamina
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Ramirez, David A., Elena Plis, Stephen Myers, et al. "High operating temperature midwave infrared (MWIR) photodetectors based on type II InAs/GaSb strained layer superlattice." In SPIE Optical Engineering + Applications, edited by Edward W. Taylor and David A. Cardimona. SPIE, 2014. http://dx.doi.org/10.1117/12.2064045.

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Gardiner, Harold A. B., Robert R. O'Neil, William Grieder, et al. "Midcourse Space Experiment (MSX): planned observation of midwave infrared (MWIR) below the horizon (BTH) and low above the horizon (LATH) backgrounds." In SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, edited by Wendell R. Watkins and Dieter Clement. SPIE, 1994. http://dx.doi.org/10.1117/12.177920.

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