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公开(公告)号：US20100014543A1
公开(公告)日：2010-01-21
申请号：US12282804
申请日：2004-03-13
CPC分类号： H01S3/109 , H01S3/08022 , H01S3/08072 , H01S3/08086 , H01S3/0816 , H01S3/092 , H01S3/0941 , H01S3/108 , H01S3/1106 , H01S3/1611
摘要： A laser comprising: a resonator cavity defined by at least two reflectors, wherein the at least two reflectors are highly reflective at a plurality of fundamental wavelengths; a laser medium disposed in the resonator cavity capable of generating plurality of fundamental wavelengths; an optical pump source for energizing the laser medium, thereby causing laser light at the plurality of fundamental wavelengths to resonate in the resonator cavity simultaneously; and a nonlinear material located in said resonator cavity capable of simultaneously converting each of the plurality of wavelengths of laser light to generate converted laser light having a plurality of converted wavelengths, said converted wavelengths being derived from but different to the fundamental wavelengths; wherein the non-linear material is at least partially phase matched to nonlinearly convert the frequencies of each of the fundamental wavelengths simultaneously such that a plurality of converted wavelengths are able to be simultaneously generated.
摘要翻译： 一种激光器，包括：由至少两个反射器限定的谐振腔，其中所述至少两个反射器在多个基本波长处是高反射性的; 设置在所述谐振腔中的能够产生多个基波长的激光介质; 用于激励激光介质的光泵浦源，从而使得多个基本波长的激光同时在谐振腔中谐振; 以及位于所述谐振器腔中的非线性材料，其能够同时转换所述多个波长的激光中的每一个，以产生具有多个转换波长的转换激光，所述转换的波长衍生于但不同于所述基本波长; 其中所述非线性材料至少部分地相位匹配以同时非线性地转换每个基本波长的频率，使得能够同时产生多个转换的波长。
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公开(公告)号：US20090304033A1
公开(公告)日：2009-12-10
申请号：US12282767
申请日：2007-03-13
CPC分类号： H01S3/08059 , H01S3/0805 , H01S3/08086 , H01S3/0809 , H01S3/0815 , H01S3/0816 , H01S3/092 , H01S3/106 , H01S3/109 , H01S3/1611 , H01S3/1643
摘要： A laser comprising: a first reflector and a second reflector defining a first resonator cavity; a third reflector defining a second resonator cavity with the first reflector; a laser material disposed such that it is located in both the first and the second resonator cavities, the laser material being capable of generating at least a first and a second wavelength of laser light when pumped by pump radiation from a pump source located external to the first and second resonator cavities; wherein the first reflector is adapted to reflect the first wavelength of laser light into the first resonator cavity and the third reflector is adapted to reflect the second wavelength of laser light into the second resonator cavity.
摘要翻译： 一种激光器，包括：第一反射器和限定第一谐振腔的第二反射器; 限定具有所述第一反射器的第二谐振腔的第三反射器; 激光材料被设置为使得其位于第一和第二谐振器腔中，激光材料能够通过来自位于外部的泵浦源的泵浦光源泵浦时产生至少第一和第二波长的激光 第一和第二谐振腔; 其中所述第一反射器适于将所述第一波长的激光反射到所述第一谐振腔中，并且所述第三反射器适于将所述第二波长的激光反射到所述第二谐振腔中。
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公开(公告)号：US20110058578A9
公开(公告)日：2011-03-10
申请号：US12282804
申请日：2007-03-13
CPC分类号： H01S3/109 , H01S3/08022 , H01S3/08072 , H01S3/08086 , H01S3/0816 , H01S3/092 , H01S3/0941 , H01S3/108 , H01S3/1106 , H01S3/1611
摘要： A laser comprising: a resonator cavity defined by at least two reflectors, wherein the at least two reflectors are highly reflective at a plurality of fundamental wavelengths; a laser medium disposed in the resonator cavity capable of generating plurality of fundamental wavelengths; an optical pump source for energizing the laser medium, thereby causing laser light at the plurality of fundamental wavelengths to resonate in the resonator cavity simultaneously; and a nonlinear material located in said resonator cavity capable of simultaneously converting each of the plurality of wavelengths of laser light to generate converted laser light having a plurality of converted wavelengths, said converted wavelengths being derived from but different to the fundamental wavelengths; wherein the non-linear material is at least partially phase matched to nonlinearly convert the frequencies of each of the fundamental wavelengths simultaneously such that a plurality of converted wavelengths are able to be simultaneously generated.
摘要翻译： 一种激光器，包括：由至少两个反射器限定的谐振腔，其中所述至少两个反射器在多个基本波长处是高反射性的; 设置在所述谐振腔中的能够产生多个基波长的激光介质; 用于激励激光介质的光泵浦源，从而使得多个基本波长的激光同时在谐振腔中谐振; 以及位于所述谐振器腔中的非线性材料，其能够同时转换所述多个波长的激光中的每一个，以产生具有多个转换波长的转换激光，所述转换的波长衍生于但不同于所述基本波长; 其中所述非线性材料至少部分地相位匹配以同时非线性地转换每个基本波长的频率，使得能够同时产生多个转换的波长。
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公开(公告)号：US07792162B2
公开(公告)日：2010-09-07
申请号：US11575877
申请日：2005-09-23
IPC分类号： H01S3/10
CPC分类号： H01S3/1086 , H01S3/08086 , H01S3/109 , H01S3/11
摘要： The invention provides a laser system (100) wherein the output may be selected from two or more different wavelengths of output laser light. The system (100) comprises a laser capable of having at least two different wavelengths of laser light resonating in the cavity (105) simultaneously. One of the frequencies is generated by a Raman crystal (135) which shifts the frequency of light generated by the lasing medium (125). A tunable non-linear medium (140), such as LBO, is provided in the cavity for selectively frequency converting at least one of the at least two different wavelengths of laser light. The conversion may be SHG, SFG or DFG for example. A tuner (145) is provided to tune the non-linear medium to select the particular wavelength to convert. Temperature tuning or angle tuning of the non-linear medium can be used. A Q switch (130) may also be provided in the cavity. The output laser beam can be used for treatment, detection or diagnosis of a selected area on or in a subject, and can be used in opthalmological and dermatological fields.
摘要翻译： 本发明提供了一种激光系统（100），其中输出可以选自两个或更多个不同波长的输出激光。 系统（100）包括能够同时具有在空腔（105）中谐振的至少两个不同波长的激光的激光器。 一个频率由拉曼晶体（135）产生，该晶体偏移由激光介质（125）产生的光的频率。 在空腔中提供诸如LBO的可调谐非线性介质（140），用于选择性地对至少两个不同波长的激光中的至少一个进行频率转换。 转换可以是例如SHG，SFG或DFG。 提供调谐器（145）以调谐非线性介质以选择要转换的特定波长。 可以使用非线性介质的温度调节或角度调谐。 也可以在空腔中设置Q开关（130）。 输出激光束可用于治疗，检测或诊断受试者上或受试者中的选定区域，并且可用于眼科和皮肤病学领域。
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