High-operating-temperature infrared photodetectors / / Jozef Piotrowski, Antoni Rogalski

• Record Nr.: UNINA9911004805703321
• Autore: Piotrowski Jozef <1943->
• Pubbl/distr/stampa: Bellingham, Wash., : SPIE Press, c2007
• ISBN: 9781615837106; 1615837108; 9780819478375; 0819478377
• Descrizione fisica: 1 online resource (256 p.)
• Collana: Press monograph ; ; 169
• Altri autori (Persone): RogalskiAntoni
• Disciplina: 681/.25
• Soggetti: Optical detectors; Infrared detectors
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Chap. 1. Introduction. 1.1. General remarks -- 1.2. Detector figures of merit -- 1.3. Detectivity requirements for thermal imagers -- 1.4. Cooling of ir detectors -- References.; Chap. 2. Fundamental performance limitations of infrared photodetectors. 2.1. Infrared photon detector classifications -- 2.2. Theoretical model -- 2.3. Optimum thickness of a detector -- 2.4. Detector material figure of merit -- 2.5. Reducing device volume to enhance performance -- References.; Chap. 3. Materials used for intrinsic photodetectors. 3.1. Semiconductors for intrinsic photodetectors -- 3.2. Hg1-xCdxTe ternary alloys -- 3.3. Hg-based alternatives to HgCdTe -- 3.4 InAs/Ga1-xInxSb Type II superlattices -- 3.5 Novel Sb-based materials -- 3.6 Lead salts -- References.; Chap. 4. Intrinsic photodetectors -- 4.1. Optical absorption -- 4.2. Thermal generation-recombination processes -- 4.4. Modeling of high-temperature photodetectors -- References.; Chap. 5. Hg1xCdxTe photoconductors -- 5.1. Simplified model of equilibrium mode photoconductors -- 5.2. Excluded photoconductors -- 5.3. Practical photoconductors -- 5.4. SPRITE detectors -- References.; Chap. 6. Hg1-xCdxTe photodiodes -- 6.1. Theoretical design of Hg-1xCdxTe photodiodes -- 6.2. Technology of Hg1-xCdxTe photodiodes -- 6.3. Practical photodiodes -- References.; Chap. 7. Photoelectromagnetic, magnetoconcentration, and Dember IR detectors -- 7.1. PEM detectors -- 7.2. Magnetoconcentration detectors -- 7.3. Dember detectors -- References.; Chap. 8. Lead salt photodetectors -- 8.1. PbS and PbSe photoconductors -- 8.2. Lead salt photovoltaic detectors -- References.; Chap. 9. Alternative uncooled long-wavelength IR photodetectors -- 9.1. HgZnTe and HgMnTe detectors -- 9.2. III-V detectors -- 9.3. InAs/Ga1-xInxSb type-II superlattice detectors -- 9.4. Thermal detectors -- References.; Chap. 10. Final remarks -- 10.1. Summary of progress to date -- 10.2. Directions for future development -- References -- Index.
• Sommario/riassunto: This book presents approaches, materials, and devices that eliminate the cooling requirements of IR photodetectors operating in the middle- and long-wavelength ranges of the IR spectrum. It is based mainly on the authors' experiences in developing and fabricating near room temperature HgCdTe detectors at Vigo Systems Ltd. and at the Institute of Applied Physics Military University of Technology (both in Warsaw, Poland). The text also discusses solutions to other specific problems of high-temperature detection, such as poor collection efficiency due to a short diffusion length, the Johnson-Nyquist noise of parasitic impedances, and interfacing of very low resistance devices to electronics. Suitable for graduate students in physics and engineering who have received a basic preparation in modern solid state physics and electronic circuits, this book will also be of interest to individuals who work with aerospace sensors and systems, remote sensing, thermal imaging, military imaging, optical telecommunications, IR spectroscopy, and lidar.