Transcription of Chapter 1 Infrared Detector Characterization
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Chapter 1 Infrared DetectorCharacterizationOver the past several hundreds of years, optical systems (telescopes, microscopes,eyeglasses, cameras, etc.) have formed their optical image on the humanretina, photographic plate, or film. The birth of photodetectors dates back to1873 when Smith discovered photoconductivity in selenium. Progress wasslow until 1905, when Einstein explained the newly observed photoelectriceffect in metals, and Planck solved the blackbody emission puzzle byintroducing the quantum hypothesis.
and II-VI IR materials technologies is observed. It is expected that these two significant schools of thought with regard to the ultimate in photon detection, namely, operation at room temperature, might play a crucial role in the future developments. 4 Chapter 1
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