COUNTER PUMPING A LARGE MODE AREA FIBER LASER

    公开(公告)号:US20220173567A1

    公开(公告)日:2022-06-02

    申请号:US17576431

    申请日:2022-01-14

    Abstract: A fiber support assembly includes: a first glass tube, wherein the first glass tube is at tached to a microlens or lenslet of a microlens or lenslet array; a second glass tube at least partially disposed within the first glass tube; and a gain fiber disposed within the second glass tube, wherein the gain fiber has a first tapered end cap, and wherein the gain fiber with the first tapered end cap is aligned to the microlens or lenslet attached to the first glass tube. The fiber support assembly may further include: a pump fiber disposed within the second glass tube, wherein the pump fiber has a second tapered end cap; and a reflector configured to receive counter-pumping light from the pump fiber and direct the counter-pumping light to the first tapered end cap of the gain fiber.

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