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Relevant bibliographies by topics / Infra-Red Band

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Academic literature on the topic 'Infra-Red Band'

Author: Grafiati

Published: 18 May 2024

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Journal articles on the topic "Infra-Red Band"

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Sudhakar Reddy, B., K. Vemasevana Raju, S. Sailaja, C. Nageswara Raju, and D. Sreekantha Reddy. "NIR Emission Analysis of Er³⁺/Yb³⁺ and Er³⁺/ Tm³⁺ Ions Doped Zinc lithium Boro Tellurite (ZLiBT) Glasses for Optical Fiber Amplification." Advanced Materials Research 123-125 (August 2010): 19–22. http://dx.doi.org/10.4028/www.scientific.net/amr.123-125.19.

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This paper reports on the development and the near infra-red emission(NIR) analysis of Er3+/Yb3+ and Er3+/ Tm3+ ions doped TeO2 - B2O3 – ZnO - Li2O glasses for tunable laser and optical fiber amplification. From the measured near infra-red emission spectra of Er3+/Yb3+, Er3+/Tm3+: ZLiBT glasses have revealed the prominent near infra-red emission bands at 1532 nm (4I13/2 → 4I15/2), with an excitation wavelength of λexci = 515 nm (Ar+ ion laser). The full width at half-maxima (FWHM) values are also estimated from the measured near infra-red emission spectra of the glasses. Based on spectral resu

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Zhao, Liang, Jixue Liu, Stefan Peters, Jiuyong Li, Simon Oliver, and Norman Mueller. "Investigating the Impact of Using IR Bands on Early Fire Smoke Detection from Landsat Imagery with a Lightweight CNN Model." Remote Sensing 14, no. 13 (2022): 3047. http://dx.doi.org/10.3390/rs14133047.

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Smoke plumes are the first things seen from space when wildfires occur. Thus, fire smoke detection is important for early fire detection. Deep Learning (DL) models have been used to detect fire smoke in satellite imagery for fire detection. However, previous DL-based research only considered lower spatial resolution sensors (e.g., Moderate-Resolution Imaging Spectroradiometer (MODIS)) and only used the visible (i.e., red, green, blue (RGB)) bands. To contribute towards solutions for early fire smoke detection, we constructed a six-band imagery dataset from Landsat 5 Thematic Mapper (TM) and La

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Merlin Mathew, Rincy, S. Purushothaman, and P. Rajeswari. "Performance comparisons of particle swarm optimization, echo state neural network and genetic algorithm for vegetation segmentation." International Journal of Engineering & Technology 7, no. 1.1 (2017): 184. http://dx.doi.org/10.14419/ijet.v7i1.1.9286.

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This article presents the implementation of vegetation segmentation by using soft computing methods: particle swarm optimization (PSO), echostate neural network(ESNN) and genetic algorithm (GA). Multispectral image with the required band from Landsat 8 (5, 4, 3) and Landsat 7 (4, 3, 2) are used. In this paper, images from ERDAS format acquired by Landsat 7 ‘Paris.lan’ (band 4, band 3, Band 2) and image acquired from Landsat 8 (band5, band 4, band 3) are used. The soft computing algorithms are used to segment the plane-1(Near infra-red spectra) and plane 2(RED spectra). The monochrome of the tw

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He Guangzong, 何光宗, 熊长新 Xiong Changxin, 李钱陶 Li Qiantao, and 吴小丽 Wu Xiaoli. "Dual Band Infra-Red Protective Coatings on Germanium Substrate." Acta Optica Sinica 31, s1 (2011): s100105. http://dx.doi.org/10.3788/aos201131.s100105.

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Rathborne, J. M., and M. G. Burton. "Results from the South Pole Infra-Red EXplorer Telescope." Highlights of Astronomy 13 (2005): 937–44. http://dx.doi.org/10.1017/s153929960001769x.

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AbstractThe SPIREX telescope, located at the Amundsen-Scott South Pole Station, was a prototype system developed to exploit the excellent conditions for IR observing at the South Pole. Observations over two winter seasons achieved remarkably deep, high-resolution, wide-field images in the 3-5 μm wavelength regime. Several star forming complexes were observed, including NGC 6334, Chamaeleon I, η Chamaeleontis, the Carina Nebula, 30 Doradus, RCW 57, RCW 38, as well as the Galactic Center. Images were obtained of lines at 2.42/μm H2, 3.29/μm PAH and 4.05/μm Br α, as well as 3.5/μm L-band and 4.7

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Gossn, Juan, Kevin Ruddick, and Ana Dogliotti. "Atmospheric Correction of OLCI Imagery over Extremely Turbid Waters Based on the Red, NIR and 1016 nm Bands and a New Baseline Residual Technique." Remote Sensing 11, no. 3 (2019): 220. http://dx.doi.org/10.3390/rs11030220.

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A common approach to the pixel-by-pixel atmospheric correction of satellite water colour imagery is to calculate aerosol and water reflectance at two spectral bands, typically in the near infra-red (NIR, 700–1000 nm) or the short-wave-infra-red (SWIR, 1000–3000 nm), and then extrapolate aerosol reflectance to shorter wavelengths. For clear waters, this can be achieved simply for NIR bands, where the water reflectance can be assumed negligible i.e., the “black water” assumption. For moderately turbid waters, either the NIR water reflectance, which is non-negligible, must be modelled or longer w

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Unavane, M., and G. Gilmore. "2.6. Resolved near-IR survey of the inner Galaxy." Symposium - International Astronomical Union 184 (1998): 69–70. http://dx.doi.org/10.1017/s0074180900084059.

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The analysis of resolved DENIS (Deep Near Infra Red Survey of the Southern Sky) I,J and K band data shows good evidence (≳ 3σ) in the J and K band number counts to support the existence of a kiloparsec-scale bar with its major axis in the first quadrant. A star by star dereddening of this K data combined with supplementary nbL band data (3.6μm) gives number count contrasts consistent with low angle (≲ 20 degrees) bar models in the literature.

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Lee, Heesu, Seungjin Hwang, Sungyoon Lee, et al. "Measurement of Nd:Y2O3 broad band near infra-red transmittance using FTIR system." Optical Materials 143 (September 2023): 114227. http://dx.doi.org/10.1016/j.optmat.2023.114227.

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Dr. S.Varadarajan, A. Rajani,. "Estimation and Validation of Land Surface Temperature by using Remote Sensing & GIS for Chittoor District, Andhra Pradesh." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 5 (2021): 607–17. http://dx.doi.org/10.17762/turcomat.v12i5.1059.

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Land Surface Temperature (LST) quantification is needed in various applications like temporal analysis, identification of global warming, land use or land cover, water management, soil moisture estimation and natural disasters. The objective of this study is estimation as well as validation of temperature data at 14 Automatic Weather Stations (AWS) in Chittoor District of Andhra Pradesh with LST extracted by using remote sensing as well as Geographic Information System (GIS). Satellite data considered for estimation purpose is LANDSAT 8. Sensor data used for assessment of LST are OLI (Operatio

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Ilehag, R., M. Weinmann, A. Schenk, S. Keller, B. Jutzi, and S. Hinz. "REVISITING EXISTING CLASSIFICATION APPROACHES FOR BUILDING MATERIALS BASED ON HYPERSPECTRAL DATA." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W3 (October 19, 2017): 65–71. http://dx.doi.org/10.5194/isprs-archives-xlii-3-w3-65-2017.

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Classification of materials found in urban areas using remote sensing, in particular with hyperspectral data, has in recent times increased in importance. This study is conducting classification of materials found on building using hyperspectral data, by using an existing spectral library and collected data acquired with a spectrometer. Two commonly used classification algorithms, Support Vector Machine and Random Forest, were used to classify the materials. In addition, dimensionality reduction and band selection were performed to determine if selected parts of the full spectral domain, such

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Dissertations / Theses on the topic "Infra-Red Band"

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Paul, Jyotirmay. "Design and development of adaptive optics system in visible and near infra-red-band for IUCAA 2 M Telescope." Thesis, University of North Bengal, 2019. http://ir.nbu.ac.in/handle/123456789/4041.

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Yang, Wenjie. "Characterising and understanding Au-hyperdoped Si for sub-band gap optical absorption." Phd thesis, Canberra, ACT : The Australian National University, 2018. http://hdl.handle.net/1885/154257.

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The unparalleled technological maturity of silicon (Si) can be exploited to develop CMOS-compatible optoelectronics such as photodetectors and imaging arrays. However, the low-attenuation wavelengths commonly used in fibre-optics (up to 1650 nm) fall below the 1.12 eV band gap of Si (efficient absorption only occurs at wavelengths less than 1100 nm), thus requiring the realisation of sub-band gap photoresponse. A promising method to achieve this is to add an intermediate band within the band gap by incorporating appropriate impurities into the Si lattice at high concentrations (often beyond th

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Book chapters on the topic "Infra-Red Band"

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Vuong, T. H. H., and R. J. Nicholas. "A Study of Thermally Activated Conduction, Hall Effect and Infra-Red Absorption from the Impurity Band in n-InP." In Proceedings of the 17th International Conference on the Physics of Semiconductors. Springer New York, 1985. http://dx.doi.org/10.1007/978-1-4615-7682-2_157.

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Landon, Preston B., Bog G. Kim, Ray H. Baughman, et al. "Functional Polymeric Photonic Crystals for Infra-Red Bands by Guided Colloidal Assembly Techniques." In Organic Nanophotonics. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0103-8_41.

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Conference papers on the topic "Infra-Red Band"

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Doel, P., D. Buscher, C. Dunlop, R. Sharples, and N. Andrews. "Recent Results from the MARTINI III/WHIRCAM Infra-red Adaptive Optics System." In Adaptive Optics. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/adop.1995.mc3.

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The MARTINI-III system is an infra-red adaptive optics system designed as a semi-common user instrument for use at the Ground-based High Resolution Imaging Laboratory (GHRIL) on the William Herschel Telescope (WHT). The optical layout of the system is shown in figure 1. Light from the Nasmyth focus of the WHT is incident on a six element adaptive mirror and is reflected back onto a toroidal mirror which refocuses the light at an off-axis point. Just before this re-imaged focus the light is split by a dichroic beamsplitter and the infra-red light reflected into the infra-red camera (WHIRCAM) ar

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Ponton, Tony, and Gordon Warnes. "Helicopter IRS Engine Integration for the “FIRST” Technology Demonstrator Programme." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-27408.

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The balanced protection of military assets presents a major challenge to military rotorcraft customers. The proliferation of sophisticated threat systems (including simpler weapons cued by imaging hardware) has highlighted the need for signature suppression systems to be considered as an integral part of rotorcraft design. Suppression of emissions at source offers multiple synergies with other aircraft systems including aerothermal optimisation (minimised pressure losses & highest utility of air flows), enhanced efficiency of other defensive aids equipment, and increased operational effect

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Cushing, David. "Bandpass Filters for Communications." In Optical Interference Coatings. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/oic.1995.fa4.

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There is considerable interest today for filters for fiber optics telecommunications are in the Near Infra-red spectral area. Activity is centered about 1550 nm. Components for Wavelength Division Multiplexer filters used with fiber amplifiers require very high transmission of certain selected wavelengths with very low transmission of an adjacent wavelength in the band of 1530 to 1580 nm. Lasers for this spectral area have a high degree of wavelength variability with operating environments and also with aging. The bandwidth of the filter is specified to pass the signal over a wide range of con

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Camci, C., G. Glezer, J. M. Owen, R. G. Pilbrow, and B. J. Syson. "Application of Thermochromic Liquid Crystal to Rotating Surfaces." In ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-gt-138.

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Encapsulated thermochromic liquid crystal (TLC) can be used to measure the surface temperature of stationary or rotating bodies. However, some research workers have reported a “rotational shift”; when the temperature of a rotating body is measured by thermocouples and TLC, there is a difference between the two sets of temperatures, and this difference increases with increasing rotational speed. Two research groups (Camci and Glezer in the USA, and Owen, Pilbrow and Syson in the UK) have independently examined the effect of speed on TLC applied to the surfaces of rotating disks. The USA group u

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Niu, Baohua, Grace Mei Ee Khoo, Yuan-Chuan Steven Chen, Fernando Chapman, Dan Bockelman, and Tom Tong. "Laser Logic State Imaging (LLSI)." In ISTFA 2014. ASM International, 2014. http://dx.doi.org/10.31399/asm.cp.istfa2014p0065.

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Abstract Logic State Imaging (LSI) using Infra-Red Emission Microscopy (IREM) [1-4] has been an indispensable technology for silicon CMOS process development and product debug applications. Its main limitations are relatively poor spatial resolution due to the broadband near-infrared photons emitted, and poor Signal to Noise Ratio (SNR) with low voltage and low leakage processes and products. Continuous-Wave Laser Scanning Microscope (CW-LSM) based Signal Imaging and Probing (CW-SIP) [5-9] technology is also widely used. It features inherently better spatial resolution than IREM, due to the us

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Perera, D. S., E. R. Vance, Z. Aly, et al. "Characterisation of Geopolymers for the Immobilisation of Intermediate Level Waste." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4589.

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Geopolymers are made by adding aluminosilicates to concentrated alkali solutions for dissolution and subsequent polymerisation to take place. Their physical behaviour is similar to that of Portland cement and they have been considered as a possible improvement on cement for several applications including as media for the encapsulation of hazardous or low/intermediate level radioactive waste. We studied in detail a commercial geopolymer to try to get a better understanding of geopolymers in order to enhance its leach resistance for immobilisation of intermediate level radioactive waste. We also

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Zevenhoven, Ron, and Martin Fa¨lt. "Heat Flow Control and Energy Recovery Using CO2 in Double Glass Arrangements." In ASME 2010 4th International Conference on Energy Sustainability. ASMEDC, 2010. http://dx.doi.org/10.1115/es2010-90189.

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The interaction of gases such as carbon dioxide (CO2) and other so-called participating gases with thermal infra-red (TIR) radiation is one of the mechanisms behind global warming and climate change. The noticeable effect this apparently gives at atmospheric concentrations of around 400 ppmv can be made use of in technical systems where pure (and pressurized) CO2 is confined in, for example, a double glass arrangement. Depending on pressure, temperature, gas composition and path length a certain “optical thickness” for TIR radiation is obtained that can be used to decrease or increase heat flo

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