Multiple aperture laser system

Details Multiple aperture laser system Multiple aperture laser system

1988-07-05

1989-09-19

Henry, Jon W.

Coherent light generators

Particular component circuitry

Optical pumping

35016211, 372103, G02B 2700, G02B 2742, H01S 310

Patent

active

048675342

ABSTRACT:
A high-energy laser construction for minimizing the effects of thermal blooming on laser beams passing through the atmosphere. The construction includes multiple subapertures of equivalent area to a single aperture, but spatially separated to maintain a relatively low energy density, and therefore low probability of thermal blooming, until sub-beams emanating from the subaperture converge and overlap near a target plane.

REFERENCES:
patent: 3894795 (1975-07-01), Laurens
patent: 3935545 (1976-01-01), Campillo et al.
patent: 3980397 (1976-09-01), Judd et al.
patent: 4390994 (1983-06-01), Roberts et al.
"Enhanced Focal-Plane Irradiance in the Presence of Thermal Blooming", C. Yeh et al., Applied Optics, vol. 15, No. 11, Nov. 1976, pp. 2913-2916.
V. R. Costich et al., "Apertures to Shape High Power Beams", Laser Focus, vol. 10, No. 9, pp. 43-46, Sep. 1974.
E. W. S. Hee, "Fabrication of Apodized Apertures . . . ", Optics & Laser Tech., vol. 17, No. 2, Apr. 1975, pp. 75-79.

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