全固态激光器偏振本征态自锁定的理论与实验研究

In recently years, a special phenomenon of linearly polarized lasing behavior (namely eigenstates self-locking in polarization) was observed in the diode-pumped all solid state laser by using optical isotropic laser gain media. The reason for this special phenomenon was never been explained. To investigate this special optical and physical phenomenon in both experiments and theory, it is not only simply to explain the cause about this phenomenon but also provided a new approach with self-developed hi-tech products for polarization locking coherent beam combining. It can be used for generating high power, high energy, good beam quality lasers. These kind of lasers can be used in the fields included civil, industrial and military. This project will use an innovative approach by employing self-phase locking of multi-longitudinal mode locking technology for the experimental investigation of eigenstates self-locking in polarization. In combined with theoretical analysis and the experimental finding, we will use coupled nonlinear Schrodinger equation, Maxwell Bloch equations and Mueller matrixes for establishing the mathematical model. Numerical simulation of complex experimental phenomena in the spatio-temporal dynamics of eigenstates locking in polarization In order to give an reasonable explanation for the cause of the phenomenon of eigenstates self-locking in polarization.

近年来，人们在采用光学各向同性激光增益介质的半导体泵浦全固态激光器中观察到一种特殊的线偏振激光振荡现象即偏振本征态自锁定现象，产生这种特殊现象的物理机制尚未得到科学的解释。开展对产生这种特殊光学物理现象的理论与实验研究，不仅能从原理上了解产生这种现象的物理机制，还有望为多激光光束偏振锁定相干合成提供一种全新的、具有自主知识产权的低损耗偏振锁定技术，从而为民用、工业以及军事应用提供高功率、大能量、高光束质量的激光器。本项目创新性地将多纵模自相位锁定技术用于偏振本征态自锁定的实验研究，通过理论分析实验结果，采用耦合非线性薛定谔方程、麦克斯韦布洛赫方程与穆勒矩阵等数学方法建立理论模型，数值模拟偏振本征态锁定后激光光束的空间模式与时间动力学的复杂实验现象,并对产生偏振本征态自锁定现象的物理机制给出科学、合理的理论解释。

近年来，人们在采用光学各向同性激光增益介质的半导体泵浦全固态激光器中观察到一种特殊的线偏振激光振荡现象即偏振本征态自锁定现象，产生这种特殊现象的物理机制尚未得到科学的解释。开展对产生这种特殊光学物理现象的理论与实验研究，不仅能从原理上了解产生这种现象的物理机制，还有望为多激光光束偏振锁定相干合成提供一种全新的、具有自主知识产权的低损耗偏振锁定技术，从而为民用、工业以及军事应用提供高功率、大能量、高光束质量的激光器。本项目创新性地将多纵模自相位锁定技术用于偏振本征态自锁定的实验研究，通过理论分析实验结果，采用耦合非线性薛定谔方程、麦克斯韦布洛赫方程与穆勒矩阵等数学方法建立理论模型，数值模拟偏振本征态锁定后激光光束的空间模式与时间动力学的复杂实验现象,并对产生偏振本征态自锁定现象的物理机制给出了科学、合理的理论解释。