Methods for wavelength discrimination of monochromatic light bea

Details Methods for wavelength discrimination of monochromatic light bea Methods for wavelength discrimination of monochromatic light bea

1996-07-09

1998-10-20

Trinh, Michael

Semiconductor device manufacturing: process

Making device or circuit responsive to nonelectrical signal

Responsive to electromagnetic radiation

438 57, 438 98, H01L 2100

Patent

active

058245677

ABSTRACT:
Methods for wavelength determination of a monochromatic beam are described. The methods involve a detector unit containing at least one variable filter and at least one pair of photo detectors. The detectors have photo sensitive regions with their areas varying with the position in one direction. The wavelength for maximum transmission of the variable filter varies in the same direction. By comparing the photo current values from the two detectors, wavelength of the incident beam is determined. Methods to construct wavelength discrimination junction photo detector pair and double barrier photo detector pair are also given.

REFERENCES:
patent: 4593304 (1986-06-01), Slayman et al.
patent: 4826777 (1989-05-01), Ondrids
patent: 4933542 (1990-06-01), Bokor et al.
patent: 4998154 (1991-03-01), Surridge et al.
patent: 5461246 (1995-10-01), Chou
patent: 5494833 (1996-02-01), Martin et al.
patent: 5535231 (1996-07-01), Lee et al.

Affiliated with

Also associated with

Rating

Methods for wavelength discrimination of monochromatic light bea does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods for wavelength discrimination of monochromatic light bea, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods for wavelength discrimination of monochromatic light bea will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-243729