Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1992-09-30
1994-09-20
Turner, Samuel A.
Optics: measuring and testing
By particle light scattering
With photocell detection
25022727, G01B 902
Patent
active
053494377
ABSTRACT:
Apparatus is provided to detect electromagnetic radiation, in which a radion-absorbing element is disposed on a short section of an optical waveguide to provide a thermal interface therebetween. Radiation is absorbed by the element, which thereby heats the waveguide, causing it to change its optical pathlength in proportion to the radiation absorbed. Interferometer apparatus is connected to measure this change in optical pathlength as a change in the interference condition. This device is highly sensitive and can be operated at room temperature.
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patent: 4481418 (1984-11-01), Vanzetti et al.
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patent: 4714342 (1987-11-01), Jackson et al.
patent: 4755668 (1988-07-01), Davis
patent: 4759627 (1988-07-01), Thylen et al.
Bechtel James B.
Kim Robert
The United States of America as represented by the Secretary of
Tura James V.
Turner Samuel A.
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