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    • 7. 发明授权
    • Continuous-wave organic dye lasers and methods
    • 连续波有机染料激光和方法
    • US08837550B2
    • 2014-09-16
    • US13787399
    • 2013-03-06
    • Ofer ShapiraSong-Liang ChuaBo ZhenJeongwon LeeMarin Soljacic
    • Ofer ShapiraSong-Liang ChuaBo ZhenJeongwon LeeMarin Soljacic
    • H01S3/20H01S3/091
    • H01S3/091H01S3/08H01S3/08031H01S3/092H01S3/0941H01S3/168H01S3/213H01S5/12H01S5/36
    • An organic dye laser produces a continuous-wave (cw) output without any moving parts (e.g., without using flowing dye streams or spinning discs of solid-state dye media to prevent photobleaching) and with a pump beam that is stationary with respect to the organic dye medium. The laser's resonant cavity, organic dye medium, and pump beam are configured to excite a lasing transition over a time scale longer than the associated decay lifetimes in the organic dye medium without photobleaching the organic dye medium. Because the organic dye medium does not photobleach when operating in this manner, it may be pumped continuously so as to emit a cw output beam. In some examples, operation in this manner lowers the lasing threshold (e.g., to only a few Watts per square centimeter), thereby facilitating electrical pumping for cw operation.
    • 有机染料激光器产生没有任何移动部件的连续波(cw)输出(例如,不使用固态染料介质的流动染料流或旋转盘以防止漂白),并且使用相对于 有机染料介质。 激光器的谐振腔,有机染料介质和泵浦光束被配置成比有机染料介质中相关联的衰减寿命更长时间地激发激光跃迁,而无需漂白有机染料介质。 因为有机染料介质以这种方式操作时不会漂白,所以可以连续地泵送以发射cw输出光束。 在一些示例中,以这种方式的操作降低了激光阈值(例如,每平方厘米仅为几瓦特),从而便于cw操作的电泵送。