| 摘要 |
An optically pumped solid-state laser oscillating device which includes an optical resonator for outputting a laser beam of a predetermined wavelength. The optical resonator has a predetermined optical absorption band and is excited in response to a semiconductor laser beam having a wavelength falling within the optical absorption band. A plurality of excitation light sources are provided for emitting a plurality of semiconductor laser beams having different wavelengths and applying those laser beams to the optical resonator. At least one of the plurality of the semiconductor laser beams has a wavelength falling within the predetermined optical absorption band regardless of the change of an ambient temperature. Hence, a stable laser output is obtainable regardless of the change of the ambient temperature without need for employment of a complicated temperature controlling mechanism.
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