Fluid refraction optical path phase correction

Details Fluid refraction optical path phase correction Fluid refraction optical path phase correction

1986-01-06

1987-12-01

Buczinski, Stephen C.

Coherent light generators

Particular active media

Gas

372 33, 372 89, H01S 322, H01S 3095

Patent

active

H00003891

ABSTRACT:
An optical path length changing arrangement employing a selected cross-section of pressurized gases or other fluid and usable in a space weapon chemical laser and in other optical equipment for phase changes along a transmitted wavefront. Use of a heavy, high-refraction index gas such as Freon.RTM. or nitrogen as the optical path length correcting medium is disclosed, along with adjacent buffering streams of a light, low optical refraction gas such as helium.

REFERENCES:
patent: 3842363 (1974-10-01), Dobrzelecki
patent: 3986138 (1976-10-01), Neal
patent: 4095193 (1978-06-01), Clark

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