受热效应, 光学损伤与非线性效应等因素的限制, 单纤的功率提高困难. 因此通过光学元件将多束
激光进行合束的光束合成技术应运而生. 光谱合束方案具有结构简单, 合束光束质量好等优点 …

The multilayer dielectric (MLD) grating is a critical device for combining multiple laser beams
into a single beam in a spectral beam combining (SBC) system. We established a theoretical …

Spectral beam combining technique is a simple and straightforward method to obtain a high-
power laser beam. The beam combining system typically consists of three parts: fiber laser …

Aimed to maintain excellent beam quality, the degradation of M 2 factor is theoretically
studied in compact spectral beam combining (SBC) system of fiber laser array. Considering …

As the power of a spectral beam combining (SBC) system increases, the temperature of the
multilayer dielectric grating (MDG) inevitably rises under the influence of high-power …

光谱合成技术利用色散元件或双色元件, 使多路不同波长的激光在近场和远场同时实现空间重叠
, 合成至单一孔径输出的激光, 是实现高功率, 高光束质量激光输出的技术途径之一 …

Spectral beam combination is a promising method for high-radiance lasers with a good
beam quality. With the increase of the combination power, the temperature of the multilayer …

We establish a model based on the dispersion of the diffractive grating to investigate the
influence of the spectral envelope and wavelength stability on the combined beam quality M …

Spectral combination is promising for diffraction-limited beam quality and single aperture
beams. Unfortunately, beamlet deviations, linewidth broadening, and thermal aberrations …

For spectral beam combining, an experimental system of dynamic beam quality caused by
the thermal deformation of a grating has been designed and established. According to the …