Wavelength conversion laser apparatus with tunable fiber...

Details Wavelength conversion laser apparatus with tunable fiber... Wavelength conversion laser apparatus with tunable fiber...

2006-11-28

2006-11-28

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Optical output stabilization

C372S020000, C372S022000, C372S102000

Reexamination Certificate

active

07142572

ABSTRACT:
A grating is provided in an optical fiber for adjusting the wavelength of an output light from the optical resonator which consists mainly of a semiconductor light emitting device and the optical fiber to be slightly shorter than a wavelength range of an input light where the wavelength range of an input light can be converted by a wavelength conversion device. As the grating is adjustably expanded with a knob control being turned, the wavelength of the output light from the optical resonator is modified to be matched with the wavelength range of the input light where the wavelength of the input light can be converted by the wavelength conversion device. Any change in the center wavelength of the input light wavelength range where the wavelength of the input light can be converted by the wavelength conversion device which results from a variation in the temperature can be counteracted by a heat-sensitive expandable lead screw expanding to increase the length of the grating in the optical fiber and thus adjust the wavelength of the output light from the optical resonator composed of the semiconductor light emitting device and the optical fiber.

REFERENCES:
patent: 5007705 (1991-04-01), Morey et al.
patent: 5418802 (1995-05-01), Chwalek
patent: 5682398 (1997-10-01), Gupta
patent: 5845030 (1998-12-01), Sasaki et al.
patent: 6181851 (2001-01-01), Pan et al.
patent: 6470036 (2002-10-01), Bailey et al.
patent: 7010006 (2006-03-01), Kasazumi et al.
patent: 2002/0009102 (2002-01-01), Hayakawa
patent: 2003/0021535 (2003-01-01), Eldada et al.

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