Laser device

Details Laser device Laser device

2007-01-30

2007-01-30

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular resonant cavity

Specified cavity component

C372S101000, C372S108000

Reexamination Certificate

active

10776379

ABSTRACT:
A laser device capable of efficiently oscillating laser light and always obtaining a stable beam form is provided. For this purpose, in the laser device including an amplifying section (18) in which a laser medium is amplified to oscillate laser light (11), and an optical element for separating part of the laser light (11) oscillated, and shaping a beam form of the laser light (11) into a desired form to output the same, wherein the optical element has at least either one of a partial reflecting portion (26) for partially reflecting the laser light (11) or a non-reflective portion (28) for transmitting the laser light (11) at high transmissivity, each of which is provided on approximately a center portion, and a total reflecting portion (27) which is provided outside a perimeter of the partial reflecting portion (26) or the non-reflective portion (28), and which reflects the laser light (11) at high reflectivity.

REFERENCES:
patent: 4173001 (1979-10-01), Koepf
patent: 4942588 (1990-07-01), Yasui et al.
patent: 4985898 (1991-01-01), Furuya et al.
patent: 5066990 (1991-11-01), Rippel
patent: 5506858 (1996-04-01), Takenaka et al.
patent: 6785319 (2004-08-01), Ariga et al.
patent: 2531788 (1996-06-01), None

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