摘要
为改善光束远场质量,探索研究了角锥反射器的应用,利用角锥棱镜的准相位共轭特性,将角锥棱镜阵列作为热容激光器的后腔镜,抑制腔内波前畸变,并通过数值模拟计算对角锥阵列的单元边长进行优化设计。实验结果表明:角锥阵列对光束远场质量有明显的改善,当角锥阵列的单元边长为4 mm时,实现光束远场7倍衍射极限输出。
For improving the beam quality, the application of cube corners reflector was studied. The cube corners reflector was used as the cavity mirror, with use of the quasi-phase conjugation characteristics of the cube corners, the wave-front aberra- tion of resonator cavity was restrained. The element side length of the cube corner array is optimized for the actual resonator con- figuration. The experimental results show that the cube corner array was effective in improving the far-field beam quality. When the element side length of the cube corner array is 4 mm, the far-field of laser output obtains the seven times diffraction limits.
出处
《强激光与粒子束》
EI
CAS
CSCD
北大核心
2008年第8期1257-1260,共4页
High Power Laser and Particle Beams
基金
中国工程物理研究院基金资助课题(Z0405)
关键词
固体热容激光器
角锥阵列
准相位共轭
光束质量
Solid-state heat-capacity laser
Cube corner array
Quasi-phase-conjugation
Beam quality
