LASER OSCILLATOR
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United States of America
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May 9, 2019
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May 9, 2019
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Abstract
A laser oscillator which can be protected appropriately from reflected light is provided. A laser oscillator includes a plurality of light detection sensors that detect intensities of different wavelengths of leaking light leaking from an optical fiber that emits a laser beam via filters having different properties, and a control unit that stops oscillation of the laser beam when the intensity of the leaking light detected by any one of the plurality of light detection sensors exceeds a threshold set to each of the light detection sensors.
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