Chirped acousto-optic Q switch

Details Chirped acousto-optic Q switch Chirped acousto-optic Q switch

1977-01-24

1978-08-08

Sikes, William L.

Oscillators

Molecular or particle resonant type

350358, H01S 311

Patent

active

041059530

ABSTRACT:
An improved acousto-optic laser Q-switch utilizing a chirped fm pulse in the acousto-optic cell to diffract and focus the input beam into a resonating high-Q mode. When the rf acoustic pulse is not wholly within the cell the beam is diverted to the output. A reflective surface is placed on the cell to yield only one output beam and to yield a retroreflective beam back into the cavity for a high Q condition whenever a correctly generated chirp acoustic wave is in the proper position within the cell.

REFERENCES:
patent: 3297876 (1967-01-01), DeMaria
patent: 3483387 (1969-12-01), Davis, Jr.
Scott et al., Fast Acousto-Optic Lens Q Switch, J. Appl. Phys., vol. 46, 8, (Aug. 1975), pp. 3483-3488.

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