Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1985-12-31
1988-06-28
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
357 30, H01J 4014
Patent
active
047541318
ABSTRACT:
An avalanche photodetector having separate absorption and multiplication regions comprising Group III-V compound semiconductors is useful as a detector of small numbers of photons when it is operated with an above threshold bias voltage at ambient temperature.
REFERENCES:
patent: 4236069 (1980-11-01), Laughlin
patent: 4561007 (1985-12-01), Webb
patent: 4587544 (1986-05-01), Webb
Bethea Clyde G.
Levine Barry F.
American Telephone and Telegraph Company AT&T Bell Laboratories
Laumann Richard D.
Nelms David C.
Ruoff Jessica
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