Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1988-01-13
1989-08-22
McGraw, Vincent P.
Optics: measuring and testing
By particle light scattering
With photocell detection
350 9613, 350359, G01D 902
Patent
active
048590592
ABSTRACT:
The phase of light passing through an optical waveguide is modulated by aying electric current to heat the waveguide and thereby alter the length and refractive index thereof. An application for the thermal phase modulation concept is provided in a Mach-Zehnder interferometer.
REFERENCES:
patent: 3946370 (1976-03-01), Schmidt et al.
patent: 4588296 (1986-05-01), Cahill et al.
patent: 4675522 (1987-06-01), Arunkumar
patent: 4753505 (1988-06-01), Mikami et al.
Bobb Lloyd C.
Davis Jon P.
White Barbara J.
McGraw Vincent P.
O'Meara John M.
The United States of America as represented by the Secretary of
Turner S. A.
Verona Susan E.
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