Spectrometer system

Details Spectrometer system Spectrometer system

1975-09-02

1979-03-20

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01J 304, G01J 342

Patent

active

RE0299391

ABSTRACT:
A wobbling single slit is provided as the entrance slit of a spectrometer which rectilinearly reciprocates at a constant amplitude, such amplitude being selectively adjustable. A control signal is obtained from a circuit that oscillates the slit for controlling the frequency and phase of the ac signal component detected and amplified from the detector after the superposed dc detected signal component is separated from the ac signal component.

REFERENCES:
patent: 2823577 (1958-02-01), Machler
patent: 3482105 (1969-12-01), Hutzler
patent: 3518002 (1970-06-01), Barringer et al.
patent: 3520614 (1970-07-01), Goldstein
patent: 3594083 (1971-07-01), Barringer
Shaklee et al., Applied Optics, vol. 9, No. 3, Mar. 1970 pp. 627-632.
Williams et al., Applied Optics vol. 9, No. 7, Jul. 1970, pp. 1597-1605.
Harris, "Design of a Feedback Circuit for Controlling the Amplitude of a Mechanical Oscillator," Master's Thesis, University of Florida, 1968.
Williams et al., "Molecular Correlation Spectrometry," Applied Optics, vol. 7, No. 4, Apr. 1968, pp. 607-616.
Bonfiglioli et al., Applied Optics, vol. 6, No. 3, Mar. 1967, pp. 447-455.

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