Laser light generating apparatus and method

Details Laser light generating apparatus and method Laser light generating apparatus and method

2005-03-01

2005-03-01

Lee, John D. (Department: 2874)

Optical: systems and elements

Optical frequency converter

C359S330000, C372S021000

Reexamination Certificate

active

06862131

ABSTRACT:
A laser light generating apparatus is provided with a laser light source, a phase modulator, a signal generating unit for applying a modulating signal to the phase modulator, and resonators. A nonlinear optical element is provided in the resonator, and an optical path length varying means for changing length of an optical path of each of the resonators is provided. Error signals are obtained using detection signals of photodetectors for receiving light from the resonators, respectively, and the optical path length varying means is controlled by a sideband method, whereby a control circuit having a negative feedback configuration for controlling length of the resonators is formed. Laser light is subjected to phase modulation and then inputted to the resonator, and light generated by the nonlinear optical element is inputted to the resonator so that the plurality of resonators are simultaneously held in a resonant state.

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patent: 11251666 (1999-09-01), None
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T.W. Hansch, et al., “Laser Frequency Stabilization by Polarization Spectroscopy of a Reflecting Reference Cavity”, Optics Communications, vol. 35, No. 3, Dec., 1980, pp. 441-444.

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