High-energy laser system having gyroscopically stabilized optica

Coherent light generators – Particular resonant cavity – Mirror support or alignment structure

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372 34, 372 95, 372 99, 350500, H01S 308

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active

045802700

ABSTRACT:
A high-energy laser system having gyroscopically stabilized optical elements includes an unstable confocal laser resonator having first and second spinning cavity feedback mirrors that resist mechanical wave energy induced spatial dislocations by gyroscopic inertia. One or both of the spinning cavity mirrors are preferably mounted for rotation with the rotor of a gyroscope. The gyroscope is operative as an actuator for selectively tilting the spinning mirror, and as a direction indicator for controlling the pointing direction of other elements with respect to inertial space. The angular rotation of the cavity feedback mirrors generates aerodynamic flows that cool the spinning mirrors by convective heat transport. Every material particle thereof describes an annular path once per revolution that prevents hot-spot formation and extends the useful lifetime.

REFERENCES:
patent: 4146329 (1979-03-01), King et al.
patent: 4326800 (1982-04-01), Fitts

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