G - Physics – 01 – M
Patent
G - Physics
01
M
354/29
G01M 11/00 (2006.01) G01J 1/42 (2006.01)
Patent
CA 1295048
APPARATUS FOR MEASURING PROPERTIES OF A LASER EMISSION Abstract of Disclosure Apparatus is provided for measuring the numerical aperture of an optical fiber in the infrared region. The optical fiber is appropriately mounted in accordance with conventional testing standards. Infrared energy is transmitted through the optical fiber. At a predetermined distance from the end of the optical fiber, a conversion screen can be provided for transforming the emitted infrared energy into a lesser wavelength of energy. The energy distribution can be recorded with a detector compatible with the lesser wavelength energy whereby the numerical aperture can be computed from the recorded data.
542927
Pollack Slava A.
Shih I-Fu
Tzeng Robert
Hughes Aircraft Company
Sim & Mcburney
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