Broadband protector for photodetectors

Details Broadband protector for photodetectors Broadband protector for photodetectors

1989-09-01

1998-04-14

Lobo, Ian J.

Optical: systems and elements

Having significant infrared or ultraviolet property

Multilayer filter or multilayer reflector

359885, G02B 520

Patent

active

057399506

ABSTRACT:
A trilaminar semiconductor device is placed at an intermediate focus is an optical instrument having a sensitive photodetector. The layers of the device are successively in the form of a two-photon absorber, a sacrificial layer, and a multiple quantum well. The composition of the semiconductor is varied in the layers to achieve the desired bandgap and function.

REFERENCES:
patent: 4003631 (1977-01-01), Biet et al.
patent: 4147409 (1979-04-01), Apfel
patent: 4178564 (1979-12-01), Ladeny et al.
patent: 4464021 (1984-08-01), Brown et al.
patent: 4737000 (1988-04-01), Garlick et al.
patent: 4832448 (1989-05-01), Jones

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