Tailored cross section optical waveguide laser array

Details Tailored cross section optical waveguide laser array Tailored cross section optical waveguide laser array

1991-01-15

1992-01-07

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Mode locking

372 64, 372 82, H01S 3098

Patent

active

050797735

ABSTRACT:
A phase-locked ridge waveguide gas laser includes a body that circumferentially bounds an elongated internal space extending along a longitudinal main plane and bisected by a longitudinal central plane. The internal space contains a gaseous lasing medium that is excited at radio frequency with attendant light emission from the gaseous medium. Mirrors are so positioned relative to the body as to provide lasing of the light emission. Respective ridges partition the internal space into a plurality of laser resonator cavities each sustaining a guided mode of the lasing light emission. Each of the cavities extends longitudinally of the body and is spaced from an adjacent cavity by a predetermined distance in a width direction of the internal space. At least the height dimension, as considered along the central plane, of at least a first of the cavities that is more remote from the central plane is smaller than that of a closer second of the cavities to an extent dependent on a variation in a propagation constant of the guided lasing light mode in the gaseous lasing medium contained in such cavities as the laser is in operation.

REFERENCES:
patent: 4807232 (1989-02-01), Hart et al.
patent: 4807233 (1989-02-01), Hart et al.
patent: 4807234 (1989-02-01), Hart et al.

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