Wavelength-sensitive detectors based on absorbers in standing wa

Details Wavelength-sensitive detectors based on absorbers in standing wa Wavelength-sensitive detectors based on absorbers in standing wa

1993-04-30

1996-03-12

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

257 21, 257436, 324645, H01L 3104, H01L 29205

Patent

active

054988632

ABSTRACT:
An optoelectronic detector includes multilayered semiconductor structures that are placed at particular positions in a standing wave pattern in order to measure the intensity of the light beams passing through said structures' layers. The detector is made sensitive to particular wavelengths by either changing the light beams intensity or varying the absorbance of the layers.

REFERENCES:
patent: 3796948 (1974-03-01), Wentworth
patent: 4749850 (1988-06-01), Chemla et al.
patent: 5079507 (1992-01-01), Ishida et al.
patent: 5229627 (1993-07-01), Kosaka
patent: 5389797 (1995-02-01), Bryan et al.

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