| 摘要 |
PURPOSE: An apparatus for radiating various laser wavelengths from a medium is provided to obtain various lasers from the high-priced medium by installing a plurality of differently coated total reflectors in a resonator. CONSTITUTION: A resonator includes a medium, a plurality of total reflectors, a selector, and a partial reflector. The total reflectors(20) are formed at one end of the medium. The selector(100) is used for selecting one of the total reflectors in order to reflect a desired laser wavelength. The partial reflector(30) is formed at the other end of the medium. The partial reflector is used for radiating the laser wavelength to the outside through the total reflector selected by the selector and a reflection path. A motor(110) is installed at the selector in order to rotate the total reflectors.
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