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1. 发明授权

US4410239A Nonlinear optical device using self-trapping of light 失效
标题翻译：非线性光学器件采用自我陷阱光
公开(公告)号：US4410239A
公开(公告)日：1983-10-18
申请号：US255291
申请日：1981-04-17
申请人： Alexander E. Kaplan , John E. Bjorkholm , Peter W. Smith , Walter J. Tomlinson, III
发明人： Alexander E. Kaplan , John E. Bjorkholm , Peter W. Smith , Walter J. Tomlinson, III
IPC分类号： G02F1/35 , G02F3/02
CPC分类号： G02F1/3511 , G02F3/02
摘要： Many prior art bistable optical devices require resonant optical cavities and are therefore limited in their operation due to the long lifetimes associated with their high-finesse cavities. A bistable optical device that does not use a resonant cavity is disclosed wherein a nonlinear medium whose index of refraction increases with increased light intensity is arranged to have input and output faces into which and out of which a laser beam having a nonuniform spatial profile can be propagated. A mirror having a predetermined area of reflectivity is positioned with respect to the output face of a nonlinear medium so as to reflect only the light energy that propagates in an area at the output face that is approximately equal to the area which the beam presents at this face when the beam is propagating at a critical power level, that is, when the beam is self-trapped.
摘要翻译：许多现有技术的双稳态光学器件需要谐振光学腔，并因此由于与它们的高精细腔相关联的长寿命而在其操作中受到限制。公开了一种不使用谐振腔的双稳态光学器件，其中折射率随着光强增加而增加的非线性介质被布置成具有输入和输出面，其中具有不均匀空间分布的激光束可以传播。具有预定反射率区域的反射镜相对于非线性介质的输出面定位，以便仅反射在输出面处的区域中传播的光能，该区域大致等于在该区域处出现的区域当光束以临界功率电平传播时，即当光束被自身捕获时，就面对。

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