Laser coherent beam combining device based on 44 rectangular array multi-core optical fiber

The invention discloses a laser coherent beam combining device based on a 4 * 4 rectangular array multi-core optical fiber. The laser coherent beam combining device comprises a laser light source and a two-dimensional beam splitter, the laser comprises a 1/4 wave plate array, a 1/2 wave plate array, a polarization beam splitter prism, a 45-degree Faraday rotator, a concave lens L1, a convex lens L2, a convex lens array, a piezoelectric ceramic driving array, a reflector array, a convex lens L3, a convex lens L4, a 4 * 4 rectangular array multi-core gain fiber, a light beam geometric amplification module, a pump light source, a two-dimensional beam combiner, a photoelectric detector and a signal processor. The invention provides a 16-path integrated channel laser amplification and coherent beam combination technical scheme, and optical fiber laser coherent beam combination based on a multi-core optical fiber can be realized. 本发明公开了一种基于4×4矩形阵列多芯光纤的激光相干组束装置，包括激光光源、二维分束器，1/4波片阵列、1/2波片阵列、偏振分束棱镜、45°法拉第旋转器、凹透镜L1、凸透镜