Gas flow laser oscillator

Details Gas flow laser oscillator Gas flow laser oscillator

1983-07-28

1985-05-28

Sikes, William L.

Coherent light generators

Particular resonant cavity

Unstable resonator

372 97, 372 99, H01S 308

Patent

active

045204861

ABSTRACT:
Along an axis (2) of an optical cavity there are: a mirror (3) having a W-shaped cross section to give inner and outer conical reflecting surfaces (4, 6) which are oppositely inclined, a plane mirror (8) having an axial opening and facing the W-shaped mirror (3), a convex mirror (16) receiving the oscillating radiation from the W-shaped mirror (3) via the opening in the plane mirror (8), and a mirror (17) disposed between the plane mirror (8) and the convex mirror (16), said mirror (17) having an aperture and being inclined to the axis so as to extract laser energy from the oscillator.

REFERENCES:
patent: 3889209 (1975-06-01), Lavarini
patent: 3891944 (1975-06-01), Lavarini et al.
patent: 4050036 (1977-09-01), Chambers et al.
patent: 4164366 (1979-08-01), Sziklas et al.
Applied Optics vol. 19, No. 5, Mar. 1, 1980, N.Y. U.S. R. A. Chodzko et al, "Annular (HSURIA) resonators etc." pp. 778-779, 788, Apendix D.
Applied Optics vol. 17, No. 6, Mar. 15, 1978, NY U.S. pp. 936-943, P. B. Mumola et al, "Unstable resonators for annular gain volume lasers".
Applied Optics vol. 16, No. 5, May 1977, NY, U.S. pp. 1192-1196, R. J. Freiberg et al, "Split-Mode Unstable Resonator".
Proceedings of the Society of Photo-Optical Instrumentation Engineers 29-31 Jul. 1980, San Diego, California vol. 251, pp. 131-135.
R. N. Shagam et al, D. M. Swain "Centration of a Linear Cone to the Optical Axis of a Reflaxicon".

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