LASER RADAR DEVICE PERFORMING MULTI-STAGE AMPLIFICATION

    公开(公告)号:US20220231475A1

    公开(公告)日:2022-07-21

    申请号:US17513586

    申请日:2021-10-28

    Abstract: Disclosed is a laser radar device, which includes a signal light source that outputs a first signal light, a pump light source that outputs a pump light, a pump optical fiber that transfers the pump light, a first signal optical fiber that transfers the first signal light, a first amplifier that receives and amplifies the first signal light from the first signal optical fiber, a second signal optical fiber that receives and transfers a second signal light from the first amplifier, the second signal light being obtained by amplifying the first signal light, a second amplifier that receives and amplifies the second signal light from the second signal optical fiber, and an optical coupler connected to the first signal optical fiber, the second signal optical fiber, and the pump optical fiber, and that distributes the pump light to the first signal optical fiber and the second signal optical fiber.

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