【摘要】 基于磁场设计原理及法拉第隔离器对高功率的需求,提出了一种具有径向补偿特性的永磁系统(RCPMS),分析了其磁场分布不均匀度对激光偏振态旋转角度(LPR)的影响,以及LPR的变化对法拉第隔离器性能的影响。研究结果表明,在RCPMS中,LPR的变化量减小至未补偿情况下的20%,FI的退偏度降低了10倍,这对于FI应用在高功率激光系统具有重要意义。更多还原

【Abstract】 A permanent magnet system with radial compensation characteristic was proposed based on the principle of designing magnetic field and the demand of high laser power for Faraday isolator.The influence of magnetic field distribution’s inhomogeneity on the laser polarization rotation angle(LPR)and the variation of LPR on the performance of Faraday isolator(FI)were analyzed.The research indicates that,the variation of LPR decreases 80%and the depolarization of FI reduces 10 times in the PMS with radial compensation(RCPMS),which is significant for FI application in high power laser systems.更多还原