Ring interferometer with an arrangement for reducing the influen

Details Ring interferometer with an arrangement for reducing the influen Ring interferometer with an arrangement for reducing the influen

1980-08-21

1983-08-23

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964

Patent

active

044000880

ABSTRACT:
A ring interferometer which has a light waveguide with two ends which act as the two separate coupling points so that light from a source can be coupled into each of the ends to travel in the light waveguide to be uncoupled from the opposite end as an output coupled light traveling in a separate output path characterized by the separate output paths of the output coupled light from the coupling point to a unification point where components are superimposed into a superimposed path directed to the light receiving surface have different lengths and the amount of the difference exceeds the coherence length of the coherent light employed in the ring interferometer.

REFERENCES:
patent: 4273444 (1981-06-01), Pool et al.
"Sensitivity Analysis of the Sagnac-Effect Optical-Fiber Ring Interferometer", Lin et al., Applied Optics, vol. 18, No. 6, Mar. 15, 1979, pp. 915-931.

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