Optical spectrometer

Details Optical spectrometer Optical spectrometer

1996-06-11

1997-12-30

Hantis, K.

Optics: measuring and testing

For light transmission or absorption

356326, G01N 2100

Patent

active

057036896

ABSTRACT:
A broadband optical detector is disposed to measure the total intensity I(.lambda., .alpha.) attributed to a portion of the optical spectrum passed by a sharp bandgap optical transmission element as the bandgap is caused to translate over a desired wavelength interval by a band gap control parameter, T. The differential spectrum of the incident optical radiation is recovered by the differentiation of I(.lambda., .alpha.) in respect to the parameter T.

REFERENCES:
patent: 3714430 (1973-01-01), Finvold et al.
patent: 3914055 (1975-10-01), Wolga et al.
patent: 4338516 (1982-07-01), Sharma
patent: 5118200 (1992-06-01), Kirillov et al.
patent: 5159410 (1992-10-01), Pollak et al.
patent: 5213985 (1993-05-01), Sandroff et al.
D. Kirillov et al., "Laser Beam Heating And High Temperature Band-to-band Luminescence of GaAs and InP", J. Appl. Phys. 54 (7): Jul. 1983, pp. 4104-4109.

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