External resonator type semiconductor laser

Details External resonator type semiconductor laser External resonator type semiconductor laser

1987-08-07

1989-05-09

Sikes, William L.

Coherent light generators

Particular beam control device

Mode discrimination

372 34, 372 36, 372 29, 372 48, 372 49, 372 92, 372 99, H01S 3098, H01S 304, H01S 319, H01S 308

Patent

active

048295310

ABSTRACT:
The external resonator type semiconductor laser of the present invention includes a semiconductor laser element, a reflection member having a reflecting mirror surface for feeding back to the laser element a laser beam emitted from an emitting end surface of the semiconductor laser element, and a mount member for fixedly mounting the laser element and reflection member thereon. The coefficient of linear expansion of the mount member is adapted to be smaller than the coefficient of linear expansion of the semiconductor laser element and reflection member so that the distance between the emitting surface and the reflecting surface (i.e. the external resonator length) decreases with a rise in temperature.

REFERENCES:
patent: 4592060 (1986-05-01), Hayakawa et al.

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