H - Electricity
01
S
345/39
H01S 3/137 (2006.01) H01S 3/00 (2006.01)
Patent
CA 1303709
ABSTRACT OF THE DISCLOSURE A laser device comprises a Fabry-Perot etalon for selecting a wavelength of laser oscillation, a wavelength monitoring device for monitoring a laser beam emitted from an oscillation wavelength changing type laser oscillator and a pressure adjuster for adjusting a pressure of gas in a gap in the Fabry-Perot etalon by the output signal of the wavelength monitoring device. The Fabry-Perot etalon is received in a sealed container filled with gas.
593254
Minowa Yoshibumi
Nakatani Hajime
Wakata Hitoshi
Marks & Clerk
Minowa Yoshibumi
Mitsubishi Denki Kabushiki Kaisha
Nakatani Hajime
Wakata Hitoshi
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