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Detection of Low-Level Optical Signals : Photodetectors, Focal Plane Arrays and Systems - M. A. Trishenkov

Detection of Low-Level Optical Signals

Photodetectors, Focal Plane Arrays and Systems

Hardcover Published: 31st August 1997
ISBN: 9780792346913
Number Of Pages: 458

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This work is aimed at designers of military and civil systems, such as systems for guiding and control, target acquisition, surveillance, laser range-finding, fiber-optical communications, thermal imaging and the like, as well as for designers of photodetectors for optical signal detection. The first question they face is how to detect an ultimately weak optical signal, for which this book aims to provide an answer. All the main types of photodetectors are considered, from photodiodes (including avalanche photodiodes) to focal plane arrays (FPA). Methods of matching photodetectors with preamplifiers are described. The pair photodetector plus preamplifier is treated as an integrated detection system. Attention is paid to different types of noise and ways of maximizing the signal-to-noise ratio (SNR). Foundations of theory of optimal filtering of photosignals are discussed taking due account of typical shapes of optical signals and noise spectra. Methods for tuning quasi-optimal filters to maximize the SNR are explained. The main problems associated with detection of low-level optical signals are considered: operation of avalanche photodiodes in photon count mode, filtering in the case of charge accumulation in FPA cells, and the effect of the number of pixels and geometry of FPAs on detection. Finally, using the examples of the laser range finder and IR Imager, guidelines for calculating the limiting parameters of optoelectronic systems to achieve the highest possible SNR are given.

Abbreviations and Notation
Photodetecting Assembly as Detection System for Weak Optical Signalsp. 1
Signal and Noise in Photodetecting Assembliesp. 66
Foundations of Theory of Optimal Filtering as Applied to Photodetecting Assembliesp. 167
Optimal Filtering of Photo Signals (Time-Domain Analysis)p. 227
Signal Processing in Real Photodetecting Assembliesp. 257
Detection of Weak Optical Signals with Photodetecting Assemblies Based on Avalanche Photodiodesp. 305
Detection and Processing of Optical Signals in Matricesp. 357
Detection of Weak Optical Signals in Special-Purpose Optoelectronic Systemsp. 417
Conclusionp. 452
Referencesp. 453
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780792346913
ISBN-10: 0792346912
Series: Solid-State Science and Technology Library, V. 4
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 458
Published: 31st August 1997
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 25.4 x 17.15  x 3.81
Weight (kg): 0.89