Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent
1980-02-25
1983-02-15
Buczinski, S. C.
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
356335, G01P 336, G01N 1502
Patent
active
043738079
ABSTRACT:
The same assembly is used to first record the homodyne spectrum from the light diffused from a single beam FL.sub.2, with a mask D.sub.1 masking the beam FL.sub.1. On the passage of a critical frequency f.sub.c, mask D.sub.1 is removed, the aperture of a diaphragm D.sub.2 is reduced, and the heterodyne spectrum produced by FL.sub.1 and FL.sub.2 is recorded as received by a photomultiplier PM and a spectrum analyzer AS.
REFERENCES:
patent: 3675029 (1972-07-01), Iten et al.
patent: 3860342 (1975-01-01), Orloff et al.
T. Sato et al., Applied Optics, vol. 17, No. 2, Jan. 1978, pp. 230-234.
N. S. Hong et al., J. of Physics D, vol. 9, No. 13, Sep. 1976, p. 1839.
B. S. Rinkevichyus et al., Radio Engineering and Electronic Physics, vol. 18, No. 7, Jul. 1973, p. 1000.
H. Oertel et al., Applied Optics, vol. 17, No. 22, Nov. 1978, p. 3535.
F. K. Owen, Agard Conf. Proc., No. 193, Saint-Louis, France, 3-5 May, 1976, pp. 27-31.
P. Buchhave, Optics and Laser Tech., Feb. 1975, vol. 7, No. 1, pp. 11-16.
I. Chabay et al., Dimensions/NBS, Dec. 1978, pp. 16-17.
D. A. Ross et al., J. of Colloid and Interface Science, vol. 64, No. 3, May 1978.
Agence Nationale de Valorisation de la Recherche (ANVAR)
Buczinski S. C.
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