有机染料溶液中随机激光的发射偏振。
Emission polarization of random lasers in organic dye solutions.
机构信息
Institute of Applied Physics, University of Münster, Münster, Germany.
出版信息
Opt Lett. 2012 Sep 1;37(17):3621-3. doi: 10.1364/OL.37.003621.
PMID:22940969
Abstract
This Letter presents a polarimetric study of the emission of random lasers from organic dyes. Coherent lasing modes from samples with ethanol solvent showed a high degree of polarization and did not influence each other in polarization. The proper choice of a laser dye with asymmetric absorption momenta, a highly viscous solvent, and a linear pump polarization can cause the random lasing emission to be completely linearly polarized for all wavelengths within the amplification range.
摘要
这封信介绍了对有机染料随机激光发射的偏振研究。具有乙醇溶剂的样品的相干激光模式表现出高度的偏振，并且在偏振方面不会相互影响。适当选择具有不对称吸收动量的激光染料、高粘性溶剂和线性泵浦偏振，可以使随机激光发射在整个放大范围内的所有波长完全线偏振。
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