Deformable liquid mirror

Details Deformable liquid mirror Deformable liquid mirror

1978-10-16

1980-02-26

Evans, F. L.

Oscillators

Relaxation oscillators

350295, 331 945T, G02B 510

Patent

active

041903277

ABSTRACT:
A liquid mirror for high energy lasers. A working liquid such as mercury, used as the reflecting surface for laser light. Dielectric enhanced reflecting techniques can be used to increase significantly the amount of reflection from the working liquid. The liquid is contained in a pressure cell behind a transparent optical flat. By varying the pressure cell of the liquid, compensation for the aberration caused by heat absorption can be made. These same pressure changes can be used to correct for laser beam wavefront distortions produced elsewhere in the laser, director or atmosphere.

REFERENCES:
patent: 504890 (1893-09-01), Ohmart
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patent: 3628178 (1971-12-01), Treacy
patent: 3836236 (1974-09-01), Kirk et al.
patent: 3909118 (1975-09-01), Schmidt
patent: 3932029 (1976-01-01), Weiss
patent: 3942880 (1976-03-01), Zeiders, Jr.
Perry, Applied Optics, vol. 4, No. 8, Aug. 1965, pp. 987-991.
Spiller, Applied Optics, vol. 15, No. 10, Oct. 1976, pp. 2333-2338.
Berthold, Applied Optics, vol. 8, No. 9, Sep. 1969, pp. 1919-1924.

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