Interferometer transmitting the useful phase information through

Details Interferometer transmitting the useful phase information through Interferometer transmitting the useful phase information through

1982-05-04

1983-12-13

Sikes, William L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

73657, 356358, G01B 902

Patent

active

044202601

ABSTRACT:
The invention relates to an inerferometer based on the exploitation of an optical fibre through which both the phase signal which is of interest for the measurements concerned and a reference signal are simultaneously forwarded in order that in the differential measurement the noise introduced by the optical fibre for both thermal and mechanical reasons is ruled out.

REFERENCES:
patent: 4153370 (1979-05-01), Corey
Hemsing, "Velocity Sensing Interferometer (VISAR) Modification", Rev. Sci. Instrum., vol. 50, No. 1, pp. 73-78, Jan. 1979.

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