External resonator-type semiconductor laser device
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United States of America
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Nov 26, 2024
Grant Date -
Oct 7, 2021
app pub date -
May 31, 2019
filing date -
May 31, 2019
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Abstract
An external resonator-type semiconductor laser device 1A includes an external resonator formed of one or a plurality of laser diode light sources and a VBG; an optical fiber which outputs output light La from the laser diode light source toward the VBG, and into which return light Lb from the VBG is input; and a displacement unit that displaces a disposition position of the VBG with respect to an input and output end surface of the optical fiber.
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