Apparatus and method for determination of wavelength

Details Apparatus and method for determination of wavelength Apparatus and method for determination of wavelength

1977-05-27

1979-11-06

Corbin, John K.

Optics: measuring and testing

By particle light scattering

With photocell detection

356352, G01B 902

Patent

active

041734424

ABSTRACT:
An apparatus and method for determining the wavelength of light such as mchromatic radiation from a laser source. The apparatus comprises a Fizeau-type interferometer, photoelectric means for receiving the interference fringe pattern produced in the interferometer, means for determining the spatial period and phase of the fringe pattern, and means for calculating from the spatial period and phase the wavelength of the radiation.

REFERENCES:
patent: 2472991 (1949-06-01), Sukumlyn
patent: 3709610 (1973-01-01), Kruegle
patent: 3929398 (1975-12-01), Bates
patent: 3937580 (1976-02-01), Kasdan

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