Laser device

Details Laser device Laser device

1995-10-03

1997-01-07

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Modulation

372 32, 372 6, 372 92, H01S 310

Patent

active

055925006

ABSTRACT:
The present invention relates to a laser device. A laser resonator is formed of a positive dispersion region, a negative dispersion region, the first and second dispersion regions having the same dispersion amount, a first mode synchronous light modulator, a second mode synchronous light modulator, and a light gain medium. A light propagation path is formed by arranging in the light propagating order the first mode synchronous light modulator, the positive dispersion region, the second mode synchronous light modulator, and the negative dispersion region. The light gain medium is arranged in any place in the light transmission path. Control unit varies a relative phase in modulation between the first mode synchronous light modulator and the second mode synchronous light modulator. The simplified structure can suppress the device manufacturing cost and control the oscillation wavelength.

REFERENCES:
patent: 5064288 (1991-11-01), Dyes et al.
patent: 5276701 (1994-01-01), Shirasaki
patent: 5513194 (1996-04-01), Tamura et al.

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