|発明の名称||LASER LIGHT GENERATOR|
PROBLEM TO BE SOLVED: To provide a laser light generator which has a high wavelength selectivity and from which spectra having a high output and a high stability can be obtained.
SOLUTION: The laser light generator comprises two or more master oscillators which output single longitudinal mode wavelengths; optical system consisting of an optical element for combining seed lights output from these master oscillators; power oscillator which synchronizes the combined seed lights at a specific wavelength, and outputs laser light having a high frequency purity for each seed light and a high optical intensity; spectroscope which discriminates the laser light according to the wavelength; and drive and controller which converts the discriminated laser light into an electrical signal, and compares the electrical signal with a preliminarily set reference signal, and when there is a difference between the electrical signal and the reference signal, feeds back a correction signal for correcting a resonator length corresponding to the difference to the master oscillators or power oscillator to drive and control the resonator length of the master oscillators or power oscillator.
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