Laser diode end pumped Nd:YAG single mode laser

Details Laser diode end pumped Nd:YAG single mode laser Laser diode end pumped Nd:YAG single mode laser

1986-06-06

1988-03-29

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Modulation

372105, 372 71, 372 75, 372 19, 372 20, 372107, 372108, H01S 310

Patent

active

047349123

ABSTRACT:
A diode pumped Nd:YAG laser is disclosed. The YAG rod is coated on its ends to define an optical resonator containing the YAG rod. The YAG rod is made sufficiently short, i.e., 1 mm, so that it will support only two axial resonant (lasing) modes. The rod is transversely stressed to polarize the two original modes and to excite a third lasing mode orthogonally polarized to the first two modes. The third mode is separated from the first two modes to provide stable, single mode TEM.sub.001 output. The transverse stress is applied by means of a spring clamp made of a material, Be-Cu, having a low temperature coefficient.

REFERENCES:
patent: 4305046 (1981-12-01), LeFloch et al.
patent: 4408334 (1983-10-01), Lundstrom
patent: 4653056 (1987-03-01), Baer et al.
patent: 4656433 (1987-04-01), Franklin et al.
patent: 4656635 (1987-04-01), Baer et al.

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