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Photodetectors : Updates in Applied Physics and Electrical Technology - P. N. J. Dennis


Updates in Applied Physics and Electrical Technology

Hardcover Published: 1986
ISBN: 9780306422171
Number Of Pages: 176

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This book has been written as part of a new series of scientific text-books being published by Plenum Publishing Company Limited. The scope of the series is to review a chosen topic in each volume, and in addition, to present abstracts of the most important references cited in the text. Thus allowing the reader to supplement the information contained within this book without have to refer to many additional publications. This volume is devoted to the subject of Radiation Detectors, known as Photodetectors, and particular emphasis has been placed on devices operating in the infrared region of the electromagnetic spectrum. Although some detectors which are sensitive at ultraviolet and visible wavelengths, are also described. The existence of the infrared region of the spectrum has been known for almost two hundred years but the development of detectors specifically for these wavelengths was limited for a long time due to technology limitations and difficulties in understanding and explaining the phenomena involved. Significant advances were made during World War II, when the potential military applications of being able "to see in the dar~' were demonstrated, and this progress has been maintained during the last forty years when many major advances have been achieved, such that the use of photodetectors for both civil and military applications is now relatively common and can be inexpensive.

1 Introduction.- 2 Detector Performance.- 2.1 Introduction.- 2.2 Responsivity.- 2.3 Noise Equivalent Power (NEP) and Noise Equivalent Irradiance (NEI).- 2.4 Detectivity.- 2.5 Specific Detectivity.- 2.6 Response Time And Frequency Response.- 2.7 Spectral Response.- 2.8 Detector Noise Sources.- 2.8.1 Johnson Noise.- 2.8.2 Generation - Recombination (G-R) Noise.- 2.8.3 Shot Noise.- 2.8.4 Temperature Noise.- 2.8.5 1/f Noise.- 2.9 Summary.- 3 Thermal Detectors.- 3.1 Introduction.- 3.2 Thermopile.- 3.3 Bolometer.- 3.4 Golay Cell.- 3.5 Pyroelectric Detectors.- 3.5.1 Introduction.- 3.5.2 Detector Performance.- 3.5.3 Pyroelectric Materials.- 3.5.4 Applications.- 4 Photoemissive Detectors.- 4.1 Introduction.- 4.2 Principle of Operation.- 4.3 Conventional Photocathodes.- 4.3.1 Metal Photocathodes.- 4.3.2 Semiconducting Photocathodes.- 4.4 Negative Electron Affinity Devices.- 4.5 Photoemissive Devices and Applications.- 4.5.1 Photodiode.- 4.5.2 The Photomultiplier.- 4.6 Imaging Tubes.- 5 Solid State Photon Detectors.- 5.1 Introduction.- 5.2 Photoconductors.- 5.3 Junction Detectors.- 5.4 Metal - Insulator - Semiconductor Detectors.- 5.5 Examples of Photon Detectors.- 5.5.1 Intrinsic Photoconductors.- 5.5.2 Extrinsic Detectors.- 5.5.3 Junction Detectors.- 5.6 Staring Arrays.- 5.7 Applications of Photon Detectors.- 6 Conclusions.- References.- Selected Abstracts.

ISBN: 9780306422171
ISBN-10: 0306422174
Series: Updates in Applied Physics and Electrical Technology
Audience: General
Format: Hardcover
Language: English
Number Of Pages: 176
Published: 1986
Country of Publication: US
Dimensions (cm): 23.39 x 15.6  x 1.27
Weight (kg): 0.45
Edition Number: 22

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