SYSTEM AND METHOD FOR SPECTRAL LINE SHAPE OPTIMIZATION FOR SPECTRAL BEAM COMBINING OF FIBER LASERS

    公开(公告)号:US20210021095A1

    公开(公告)日:2021-01-21

    申请号:US16517394

    申请日:2019-07-19

    Abstract: A system includes at least one controller configured to determine an optical phase modulation pattern for suppression of stimulated Brillouin scattering (SBS) in a combined beam that emerges off a diffractive grating in a spectral beam combining (SBC) system and maximization of an output power of the combined beam. The system also includes multiple master oscillators configured to generate multiple beams in the SBC system. The system also includes multiple phase modulators configured to phase modulate the multiple beams according to the determined optical phase modulation pattern. The system also includes multiple fiber amplifier chains configured to receive the phase modulated beams and output the beams from the master oscillators to multiple delivery fibers for subsequent combining into the combined beam at the diffractive grating.

    ULTRA-COMPACT, MODULAR LASER SENSOR FOR TACTICAL ENVIRONMENTS

    公开(公告)号:US20220026182A1

    公开(公告)日:2022-01-27

    申请号:US16936944

    申请日:2020-07-23

    Abstract: A laser sensor system including a common optical bench that is configured to receive and process different beams of a high energy laser (HEL). The common optical bench is configured to handle the different beams using a modular set of optical components. Optical components of the common optical bench include a filtering device configured to reduce the power of the beams, a common collecting optical element that is configured to set an imaging position and focal length for the beams, a position sensitive detector (PSD) arrangement that is configured to measure angular and positional errors in the beams, and various compaction optical elements, such as mirrors, that are configured to enable compaction of the laser sensor system by increasing the focal length of the beams.

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