OPTICAL APPARATUS
    1.
    发明申请

    公开(公告)号:US20230006413A1

    公开(公告)日:2023-01-05

    申请号:US17944601

    申请日:2022-09-14

    Inventor: Koshi NAKAMURA

    Abstract: An optical apparatus includes: an optical component opposed to and spaced apart from a light-emitting surface through which laser light is emitted; a case that houses a semiconductor laser element and the optical component and includes an introduction port for introducing gas and an exhaust port for exhausting the gas; and a flow passage section (i.e., a tubular body) including a spray port for spraying the semiconductor laser element with the gas introduced from the introduction port.

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