An object of the present invention is to speed up a wavelength tuning speed thereby varying both wavelengths of signal light and idler light at high speed. The optically parametric oscillator according to the present invention wherein a resonator is composed of an output coupling mirror having a prescribed...http://www.google.de/patents/US5953154?utm_source=gb-gplus-sharePatent US5953154 - Optically parametric oscillator and wavelength-tunable laser system
