实验结果表明：当基频光辐射偏心度增大到0.75时，倍频晶体的最高温升下降了21.1%。
The result shows that when the radiation eccentricity increases to 0.75, the temperature rise of nonlinear crystal can be reduced by 21.1%.
而对于相同光束质量的基频基模光束，倍频光光束质量随着入射在倍频晶体上不同的基频光光斑半径基本不变。
The beam quality of the frequency-doubled beam is invariant when the radius of the basic beam with the same beam quality is variant in the crystal surface.
针对倍频激光中存在基频光的实际情况，依据石英晶体的旋光特性，利用石英晶体和起偏棱镜的组合，设计了一种用于去除倍频激光中基频光的光学滤波器。
Based on the optical rotatory dispersion effect, an optical filter for selecting the second harmonic of a frequency-doubled laser is constructed from quartz in combination with polarizers.
应用推荐