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2. 发明授权

US07046710B2 Gain boost with synchronized multiple wavelength pumping in a solid-state laser 失效
标题翻译：在固态激光器中同步多波长泵浦增益提升
公开(公告)号：US07046710B2
公开(公告)日：2006-05-16
申请号：US10650446
申请日：2003-08-28
申请人： Kalin Spariosu , Milton Birnbaum
发明人： Kalin Spariosu , Milton Birnbaum
IPC分类号： H01S3/97 , H01S3/92
CPC分类号： H01S3/0941 , H01S3/005 , H01S3/025 , H01S3/042 , H01S3/0606 , H01S3/061 , H01S3/0612 , H01S3/08095 , H01S3/09403 , H01S3/094038 , H01S3/094084 , H01S3/094096 , H01S3/09415 , H01S3/113 , H01S3/1608 , H01S3/1618 , H01S3/1643
摘要： A solid-state eye-safe laser and method with gain boost by dual-wavelength, synchronized pumplights. The laser includes a medium doped with ions that emit light at a laser wavelength as a result of the transition of electron energy from an upper energy level manifold to a lower energy level manifold. A first pumplight couples energy into the medium at a first wavelength that excites a first portion of the ions into said upper energy level manifold. A second pumplight couples energy into said medium at a second wavelength that excites a second portion of the ions to a third energy level manifold. A fraction of the ions relax to the upper energy level manifold and thereby increase the gain of the laser (2). The laser may be an erbium crystal laser, using yttrium-aluminum-garnet operating near 1640 nanometers. A second ion, such as ytterbium, may be diffused into the lasing medium, and an inter-ionic energy transfer employed to coupled the second pumplight energy to the upper level energy manifold of he laser transition.
摘要翻译：一种固态眼睛安全激光器和双波长同步斩波器的增益提升方法。激光器包括掺杂有离子的介质，其由于从上能量歧管向较低能级歧管转变的电子能量，激光波长发光。第一泵浦将能量以第一波长耦合到介质中，该第一波长将离子的第一部分激发到所述上部能量级歧管中。第二个光束将能量以第二波长耦合到所述介质中，该第二波长将离子的第二部分激发到第三能量级歧管。一部分离子松弛到上能量歧管，从而增加激光器的增益（2）。激光器可以是铒晶体激光器，使用在1640纳米附近操作的钇铝石榴石。诸如镱的第二离子可以扩散到激光介质中，并且将离子间能量转移用于将第二次照明能量耦合到激光转换的上层能量歧管。

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