28 January 2005 Dynamic properties of two-wave coupling in Ce:KNSBN crystal
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Abstract
In this experiment, the dynamic two-wave coupling properties of extraordinarily polarized He-Ne 632.8nm laser beam in a Ce:KNSBN crystal were studied with a real-time data-acquisition system. The transmitted pump beam intensity Ip' and the transmitted signal beam intensity Is' were recorded as a function of time. While the incident beams of two-wave coupling are both with extraordinary polarization, a great fanning will generate and it would affect the two-wave coupling dynamic properties. The dynamic evolution of two-wave coupling had great differences while the total incident beam intensity and the incident beam intensity ratio were different. The coupled-wave equations were modified according to the beam-fanning threshold phenomena and the experimental data. The theoretical calculation results obtained from the modified coupled-wave equations were agree with the experimental data very well.
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Qinglin Guo, Lijing Wei, Panlai Li, Baolai Liang, Guangsheng Fu, "Dynamic properties of two-wave coupling in Ce:KNSBN crystal", Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); doi: 10.1117/12.574587; https://doi.org/10.1117/12.574587
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