Method for having laser light source in standby status

Details Method for having laser light source in standby status Method for having laser light source in standby status

2011-07-05

2011-07-05

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C372S006000, C372S022000, C372S025000

Reexamination Certificate

active

07974320

ABSTRACT:
When the laser light source is caused to standby, the temperatures of semiconductor laser1and semiconductor laser9are changed by approximately 3° C. from the temperature when the laser light source is always being used. With a temperature change of approximately 3° C., the wavelengths of the laser light generated by semiconductor lasers1and9change approximately 0.3 nm. This change hardly has any effect at all on optical fiber amplifier2and optical fiber amplifier10, but the conversion efficiencies at the respective wavelength conversion elements of the wavelength conversion optical system change, and, particularly, deep ultraviolet light is hardly generated at all any longer. Therefore, even while the laser light has been made incident to the wavelength conversion optical system, there is no longer damaging of the wavelength conversion elements. Therefore, it is possible to provide a laser light source standby method that is able to shorten the start up time of the laser light source.

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