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51. 发明授权

US08068525B2 Solid-state laser element 有权
标题翻译：固态激光元件
公开(公告)号：US08068525B2
公开(公告)日：2011-11-29
申请号：US12675447
申请日：2007-08-30
申请人： Shuhei Yamamoto , Takayuki Yanagisawa , Yasuharu Koyata , Yoshihito Hirano
发明人： Shuhei Yamamoto , Takayuki Yanagisawa , Yasuharu Koyata , Yoshihito Hirano
IPC分类号： H01S3/04
CPC分类号： H01S3/0632 , H01S3/0405 , H01S3/0625 , H01S3/09415 , H01S3/109 , H01S3/2383 , H01S2301/02
摘要： To achieve a solid-state laser element capable of outputting a high-power laser, in a planar waveguide type solid-state laser element that causes a plurality of fundamental laser beams to oscillate in a direction of an optic axis within a flat plate-like laser medium, and forms a waveguide structure in a thickness direction of the laser medium, which is a direction perpendicular to a principal surface of the flat plate-like laser medium, the laser medium is separated in a principal-surface width direction of the laser medium, which is a direction perpendicular to the direction of the optic axis and the thickness direction of the laser medium, by a groove extending in the direction of the optic axis within the laser medium.
摘要翻译：为了实现能够输出大功率激光器的固体激光元件，在平面波导型固态激光元件中，其使多个基本激光束沿平板状的光轴方向振荡激光介质，并且在垂直于平板状激光介质的主表面的方向上形成在激光介质的厚度方向上的波导结构，激光介质在激光器的主表面宽度方向上分离介质，其是垂直于光轴方向的方向和激光介质的厚度方向，通过在激光介质内沿光轴方向延伸的凹槽。

52. 发明授权

US06894514B2 Circuit pattern detecting apparatus and circuit pattern inspecting method 失效
标题翻译：电路图案检测装置及电路图案检查方法
公开(公告)号：US06894514B2
公开(公告)日：2005-05-17
申请号：US10295847
申请日：2002-11-18
申请人： Takayuki Yanagisawa
发明人： Takayuki Yanagisawa
IPC分类号： G01N21/956 , G02F1/03 , G01R31/302 , G01R31/00
CPC分类号： G01N21/95684 , G02F1/0311
摘要： A transparent conductive layer is formed under a glass substrate. A reflection preventing layer and a reflecting layer are formed on the respective surfaces of an electro-optic crystal layer. The reflection preventing layer of the electro-optic liquid crystal layer is attached to the lower surface of the transparent conductive layer by use of an adhesive layer. In this manner, the reflection preventing layer is provided between the adhesive layer and the electro-optic crystal layer.
摘要翻译：在玻璃基板下方形成透明导电层。在电光晶体层的各个表面上形成防反射层和反射层。电光液晶层的防反射层通过使用粘合剂层附着到透明导电层的下表面。以这种方式，防反射层设置在粘合剂层和电光晶体层之间。

53. 发明授权

US06853670B2 Laser resonator 失效
标题翻译：激光谐振器
公开(公告)号：US06853670B2
公开(公告)日：2005-02-08
申请号：US10329471
申请日：2002-12-27
申请人： Takayuki Yanagisawa , Yoshihito Hirano
发明人： Takayuki Yanagisawa , Yoshihito Hirano
IPC分类号： H01S3/08
CPC分类号： H01S3/08045 , H01S3/08 , H01S3/0805 , H01S3/08059 , H01S3/08072
摘要： Heretofore, if the beam size of the resonance mode is made small in a long resonator length, there arises a problem that the operation of the laser resonator becomes easy to be unstable and hence the adjustment thereof becomes difficult. A laser resonance includes: a laser material; a telescope for magnifying a laser beam which has been made incident from the laser material and for reducing a laser beam which has been made incident from the side opposite thereto; a flat reflecting mirror for reflecting the laser beam which has been made incident from said telescope; a telescope for magnifying the laser beam which has been reflected by the flat reflecting mirror to be reduced by the telescope and to be amplified by the laser material to be made incident thereto; and a flat reflecting mirror for reflecting the laser beam which has been made incident from the telescope. The telescope having suitable magnification is selected for the resonator length, whereby the beam size of the resonance mode at the center of the resonator can be arbitrarily adjusted and the stable resonator which has the small beam size with the long resonator length can be constructed.
摘要翻译：迄今为止，如果谐振模式的光束尺寸在长的谐振器长度上变小，则出现激光谐振器的操作变得容易不稳定并因此难以进行调整的问题。激光共振包括：激光材料; 用于放大从激光材料入射的激光束并用于减少从其相对侧入射的激光束的望远镜; 用于反射从所述望远镜入射的激光束的平面反射镜; 用于放大由平面反射镜反射的激光束的望远镜，由望远镜缩小并被要被入射的激光材料放大; 以及用于反射从望远镜入射的激光束的平面反射镜。对于谐振器长度选择具有合适放大率的望远镜，由此可以任意调整谐振器中心处的谐振模式的波束尺寸，并且可以构造具有长谐振器长度的具有小波束尺寸的稳定谐振器。

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