Spectrometer

Details Spectrometer Spectrometer

1992-10-08

1994-05-10

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

359245, G01J 3443

Patent

active

053112784

ABSTRACT:
A light intensity modulator with a predefined range of modulation wavelengths (preferably a narrow range) can be adjusted by a control signal. This modulator receives a light beam and retransmits a modulated light beam in which any wavelength within the modulation range is modulated. A light intensity detector receives this modulated beam and outputs an electrical signal which is a function of the luminous intensity detected. Such a device finds particular application as a spectrophotometer.

REFERENCES:
patent: 3308712 (1967-03-01), Kay
patent: 4394069 (1983-07-01), Kaye
patent: 4492434 (1985-01-01), Bottka et al.
patent: 4900113 (1990-02-01), Hatori
patent: 5086327 (1992-02-01), Rosencher et al.

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