Interferometer for the measurement of plasma density

Details Interferometer for the measurement of plasma density Interferometer for the measurement of plasma density

1978-03-14

1980-01-15

Corbin, John K.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

176 19R, 356361, G01B 902

Patent

active

041836715

ABSTRACT:
An interferometer which combines the advantages of a coupled cavity interferometer requiring alignment of only one light beam, and a quadrature interferometer which has the ability to track multi-fringe phase excursions unambiguously. The device utilizes a Bragg cell for generating a signal which is electronically analyzed to unambiguously determine phase modulation which is proportional to the path integral of the plasma density.

REFERENCES:
patent: 3528029 (1970-09-01), Holmboe et al.
patent: 3539262 (1970-11-01), Pryor
patent: 3885874 (1975-05-01), Haas et al.
Jacobson, A. R., "A Novel Interferometer for the Measurement of Plasma Density", Los Alamos Sci. Lab. of Univ. of Cal., Informal Report No. LA-6727-MS.
Buchenauer, C. J. and Jacobson, A. R., "Quadrature Interferometer for Plasma Density Measurements", Rev. of Sci. Instrum., vol. 48, No. 7, (Jul. 1977), pp. 769-774.
Kristal, R. and Peterson, R. W., "Bragg Cell Heterodyne Interferometry of Fast Plasma Events", Rev. of Sci. Instrum., vol. 47, No. 11, (Nov. 1976), pp. 1357-1359.

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