High efficiency fiber-shaped detector

Details High efficiency fiber-shaped detector High efficiency fiber-shaped detector

1983-11-28

1986-04-29

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

350 9629, G02B 602, H01J 516

Patent

active

045859370

ABSTRACT:
A high efficiency fiber-shaped detector having a longitudinally extending core transparent to the wavelength of an incoming beam of electromagnetic radiation. Circumscribing the core and deposited thereon is an extremely thin layer of photosensitive material, an extremely thin layer of insulation and an extremely thin layer of reflective material. The photosensitive layer converts the electromagnetic radiation into an electrical signal which is transmitted to a processing system. Upon receiving the incoming beam of electromagnetic radiation, the reflective layer reflects this beam so that the beam passes through the photosensitive layer many times. Consequently, it is possible to provide a reliable indication of beam intensity. Modified embodiments of the above described detector also provide information with respect to the angularity and alignment of the input beam of electromagnetic radiation.

REFERENCES:
patent: 3299306 (1967-01-01), Kapany
patent: 3445666 (1969-05-01), Snaper
patent: 3622796 (1971-11-01), Harris
patent: 4052616 (1977-10-01), Keller
patent: 4137543 (1979-01-01), Beneking
patent: 4214916 (1980-07-01), Felsher et al.

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