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Books > Professional & Technical > Energy technology & engineering > Electrical engineering
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Detection of Low-Level Optical Signals - Photodetectors, Focal Plane Arrays and Systems (Paperback, Softcover reprint of the original 1st ed. 1997)
Loot Price: R5,632
Discovery Miles 56 320
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Detection of Low-Level Optical Signals - Photodetectors, Focal Plane Arrays and Systems (Paperback, Softcover reprint of the original 1st ed. 1997)
Series: Solid-State Science and Technology Library, 4
Expected to ship within 10 - 15 working days
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This book is addressed to designers of photodetectors and
photodetecting systems, designers of focal plane arrays,
charge-coupled devices, specialists in IR technologies, designers
of optoelectronic detecting, guiding and tracking systems, systems
for IR direction finders, lidars, lightwave communication systems,
IR imagers. All these specialists are united by one common purpose:
they are all striving to catch the weakest possible optical signal.
The most important characteristic of photosensitive devices is
their detectivity, which determines the lowest level of optical
signal they are able to detect above the noise level. These
threshold characteristics define the most important tactical and
technical parameters of the entire optoelectronic system, such as
its range, resolution, precision. The threshold characteristics of
optoelectronic system depend on many of its components; all
designers agree, however, that the critically responsible part of
the system is the photodetector [1]. By the end of the 1960s the
physicists and the engineers were able to overcome many obstacles
and to create photodetectors (at least single-element or
few-element ones) which covered all the main optical bands (0. 4 .
. . 2,2 . . . 3, 3 . . . 5,8 . . . 14 J. . Lm), carried out the
detection almost without any loss (the quantum yield being as high
as 0. 7 . . . 0. 9), and reduced the noise level to the lowest
possible limit.
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