Phase locked cusp-shaped dielectric ridge gas laser

Details Phase locked cusp-shaped dielectric ridge gas laser Phase locked cusp-shaped dielectric ridge gas laser

1987-12-28

1989-02-21

Sikes, William L.

Coherent light generators

Particular beam control device

Mode locking

372 64, 372 82, H01S 3098

Patent

active

048072338

ABSTRACT:
A phase-locked ridge waveguide gas laser includes a body that circumferentially bounds an internal space extending along a central plane and containing a gaseous lasing medium. The gaseous medium 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 cylindrical 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. The ridges are substantially cusp-shaped and extend into the internal space along a height dimension in respective aligned pairs. At least one of the ridges of each pair terminates short of the central plane to provide with the respective other ridge of the pair a gap which connects two adjacent ones of the laser resonator cavities for phase-locking the guided modes in such cavities. The adjacent resonator cavities overlap each other at the region of the respective gaps.

REFERENCES:
patent: 4363126 (1982-12-01), Chenausky et al.
patent: 4443877 (1984-04-01), Chenausky et al.
patent: 4577323 (1986-03-01), Newman et al.
patent: 4688228 (1987-08-01), Newman et al.
L. A. Newman et al.; "High Power Coupled CO.sub.2 Waveguide Laser Array"; Appl. Phys. Lett. 48(25), 23 Jun. 1986; pp. 1701-1703.

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