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报道了高功率准连续波腔内和频全固态黄光激光器的研究结果.为获得高功率的黄光输出,首先,激光器采用准连续方式运转,在保持抽运水平的条件下降低热效应,从而提高光束质量和光光转换效率;第二,采用热近非稳腔腔型设计,双棒串接补偿热致双折射技术,获得大基模体积高光束质量的基频光;第三,通过优化腔型,采用L型共折叠臂平-凹对称腔,使两束基频光达到空间重合且满足功率配比.通过这些方法,得到了输出功率7.6W,重复频率1.1kHz的准连续波黄光输出.据我们所知,这是目前腔内和频方案所获得的最高功率全固态黄光输出.
The results of the research on high power quasi-continuous wave cavity and frequency all-solid-state yellow laser are reported.In order to obtain a high-power yellow light output, firstly, the laser operates in a quasi-continuous mode and reduces the thermal effect while maintaining the pump level Improve the beam quality and the light-to-light conversion efficiency. Secondly, adopt the thermal near-instable cavity cavity design and the double-rod series compensation thermal induced birefringence technique to obtain the fundamental frequency light with large fundamental beam volume and high beam quality. Thirdly, Cavity type L-shaped common-folded arm with flat - concave symmetry cavity, so that the two beams of fundamental frequency light to achieve space coincidence and meet the power ratio by these methods, the output power of 7.6W, repetition frequency 1.1kHz quasi-continuous wave yellow Optical Output As far as we know, this is the highest power all-solid-state yellow output currently obtained with intracavity and frequency modulation.