Interferometer with a coil composed of a single mode waveguide

Details Interferometer with a coil composed of a single mode waveguide Interferometer with a coil composed of a single mode waveguide

1979-03-19

1981-11-24

Corbin, John K.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356351, G01B 902

Patent

active

043021077

ABSTRACT:
An interferometer with a single mode optical waveguide wound in a coil, which waveguide has an end surface at each end for the acceptance of light into the waveguide and for the emitting of light that is in the waveguide, a beam dividing element for superimposing a portion of light from each of the end surfaces of the waveguide into two separate superimposed beams of light characterized by a polarizer arranged in the path of each of the superimposed beams of light for filtering the light as it is received by a beam receiver, which may be a screen or a light sensitive element such as a photo diode. The beam splitting element may be a beam splitting element having a reflective surface such as a partially reflective mirror or a beam splitting cube or may be optical directional couplers.

REFERENCES:
patent: 4120588 (1978-10-01), Chaum
patent: 4141651 (1979-02-01), Smith et al.
Marcatili, "Dielectric Rectangular Waveguide and Directional Coupler for Integrated Optics", The Bell System Technical Journal, vol. 48, Sep. 1969, pp. 2071-2102.
Baues, "Integriert Optische Richtkoppler", Elektronik-Anzeiger, vol. 9, No. 3, 1977, pp. 19-22.
Vali et al., "Ring Interferometer 950 m Long", Applied Optics, vol. 16, No. 2, pp. 290-291, Feb. 1977.

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