LD泵浦被动调Q腔内和频拉曼激光器速率方程
发布时间:2018-05-21 01:06
本文选题:和频激光器 + 拉曼激光器 ; 参考:《红外与激光工程》2016年06期
【摘要】:运用非线性光学的和频理论推导出被动调Q腔内和频拉曼激光器速率方程理论中的和频项,在被动调Q拉曼激光器速率方程的基础上,推导被动调Q腔内和频拉曼激光器速率方程,再将方程归一化,得到八个综合参量。推导出和频脉冲峰值功率和单脉冲能量的归一化表达式。数值模拟观察各参量对和频脉冲峰值功率、单脉冲能量和脉冲宽度的影响。对各参量影响进行分析,发现和频因子与归一化拉曼增益系数需要相互匹配才能实现高效率的和频光输出。同时,比较了被动调Q腔内和频拉曼激光器与被动调Q腔内倍频拉曼激光器的数值模拟结果。
[Abstract]:The sum frequency term in the rate equation theory of passive Q-switched intracavity sum-frequency Raman laser is derived by using the sum-frequency theory of nonlinear optics, and based on the rate equation of passive Q-switched Raman laser. The rate equation of passively Q-switched intracavity sum-frequency Raman laser is derived, and the equation is normalized to obtain eight synthetic parameters. The normalized expressions of peak power and monopulse energy of sum-frequency pulse are derived. The effects of various parameters on peak power, single pulse energy and pulse width of sum-frequency pulse were observed numerically. It is found that the sum frequency factor and the normalized Raman gain factor need to match each other in order to achieve high efficiency sum frequency output. At the same time, the numerical simulation results of passive Q-switched intracavity sum-frequency Raman laser and passive Q-switched intracavity frequency-doubled Raman laser are compared.
【作者单位】: 烟台大学光电信息科学技术学院;北京东方锐镭科技有限公司;
【基金】:山东省自然科学基金(ZR2014FM021) 烟台大学研究生科技创新基金(01056)
【分类号】:TN248
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