Two-beam interferometer for Fourier spectroscopy with rigid pend

Details Two-beam interferometer for Fourier spectroscopy with rigid pend Two-beam interferometer for Fourier spectroscopy with rigid pend

1981-02-10

1983-05-17

Arnold, Bruce Y.

Optics: measuring and testing

By particle light scattering

With photocell detection

G01B 902

Patent

active

043837620

ABSTRACT:
A two-beam interferometer for Fourier spectroscopy includes a rigid pendulum structure mounting at least one of the movable retroreflectors in a fully compensated optical system immune to tilt and lateral movement distortions. The swing of the rotatably journaled pendulum accurately confines the retroreflector(s) to movement in a single plane during scanning and, due to the low heat generated in the pendulum bearings, the simple and compact structure is well adapted to be housed in a cryostat aboard a spacecraft.

REFERENCES:
Vanesse et al., "Report of 1st International Conference on Fourier Spectroscopy in 1970", AF Cambridge Research Labs., L. G. Hanscom Field, Bedford, Mass., USA. pp. 43-53.
Dyson, J., "Interferometry as a Measuring Tool" Pub. by The Machinery Pub. Co., 1970, p. 92.
Schindler, R. A., "An Interference Spectrometer for the Remote Sensing of Pollutants", Journal Spacecraft, vol. 9, Issue No. 5, p. 714.
Peck, E. R., "A New Principle in Interferometry Design", JOSA, vol. 38, No. 1, Jan. 1948, p. 66.

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