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1. 发明授权

US07496125B2 Composite laser rod, fabricating method thereof, and laser device therewith 有权
标题翻译：复合激光棒及其制造方法及激光装置
公开(公告)号：US07496125B2
公开(公告)日：2009-02-24
申请号：US11561301
申请日：2006-11-17
申请人： Hikaru Kouta , Yoshikazu Suzuki , Shuetsu Kudo , Masaki Tsunekane , Katsuji Mukaihara , Takagimi Yanagitani , Hideki Yagi
发明人： Hikaru Kouta , Yoshikazu Suzuki , Shuetsu Kudo , Masaki Tsunekane , Katsuji Mukaihara , Takagimi Yanagitani , Hideki Yagi
IPC分类号： H01S3/14 , H01S3/07
CPC分类号： H01S3/061 , H01S3/025 , H01S3/0407 , H01S3/042 , H01S3/0612 , H01S3/08095 , H01S3/0941 , H01S3/09415
摘要： As a composite laser rod capable of satisfying the positional stability and output stability of a laser beam, a laser rod in which a laser active element is doped is intimately inserted into a hollow portion of a non-doped ceramic pipe that has a crystal structure the same as the laser rod followed by baking so as to remove a gap and strain at an interface between the laser rod and the ceramic pipe after the baking further followed by polishing a surface of the ceramic pipe to form a ceramic skin layer, and thereby a composite laser rod is formed. In the composite laser rod, an influence due to fluctuation in the cooling capacity of cooling water or a heat sink is averaged by a non-doped skin layer, temperature fluctuation of the laser rod is suppressed, and an influence of vibration from the cooling water or a cooling fan can be suppressed. When the refractive index of the laser rod is made higher than that of the ceramic pipe, a high efficiency oscillation can be realized, and furthermore when the thermal conductivity of the ceramic pipe is made higher than that of the laser rod, the thermal lens effect can be alleviated.
摘要翻译：作为能够满足激光的位置稳定性和输出稳定性的复合激光棒，将激光激光元件掺杂的激光棒紧密地插入到具有晶体结构的非掺杂陶瓷管的中空部分与激光棒相同，随后烘烤，以便在烘烤之后除去激光棒和陶瓷管之间的界面处的间隙和应变，然后对陶瓷管的表面进行抛光以形成陶瓷表皮层，由此形成复合激光棒。在复合激光棒中，由于冷却水或散热器的冷却能力的波动引起的影响由非掺杂表层平均化，激光棒的温度波动被抑制，来自冷却水的振动的影响或者可以抑制冷却风扇。当激光棒的折射率高于陶瓷管的折射率时，可以实现高效率的振荡，此外，当陶瓷管的导热率高于激光棒的热导率时，热透镜效应可以缓解。

2. 发明申请

US20070280317A1 COMPOSITE LASER ROD,FABRICATING METHOD THEREOF, AND LASER DEVICE THEREWITH 有权
标题翻译：复合激光棒，其制造方法及其激光器件
公开(公告)号：US20070280317A1
公开(公告)日：2007-12-06
申请号：US11561301
申请日：2006-11-17
申请人： Hikaru KOUTA , Yoshikazu Suzuki , Shuetsu Kudo , Masaki Tsunekane , Katsuji Mukaihara , Takagimi Yanagitani , Hideki Yagi
发明人： Hikaru KOUTA , Yoshikazu Suzuki , Shuetsu Kudo , Masaki Tsunekane , Katsuji Mukaihara , Takagimi Yanagitani , Hideki Yagi
IPC分类号： H01S3/14 , H01S3/16
CPC分类号： H01S3/061 , H01S3/025 , H01S3/0407 , H01S3/042 , H01S3/0612 , H01S3/08095 , H01S3/0941 , H01S3/09415
摘要： As a composite laser rod capable of satisfying the positional stability and output stability of a laser beam, a laser rod in which a laser active element is doped is intimately inserted into a hollow portion of a non-doped ceramic pipe that has a crystal structure the same as the laser rod followed by baking so as to remove a gap and strain at an interface between the laser rod and the ceramic pipe after the baking further followed by polishing a surface of the ceramic pipe to form a ceramic skin layer, and thereby a composite laser rod is formed. In the composite laser rod, an influence due to fluctuation in the cooling capacity of cooling water or a heat sink is averaged by a non-doped skin layer, temperature fluctuation of the laser rod is suppressed, and an influence of vibration from the cooling water or a cooling fan can be suppressed. When the refractive index of the laser rod is made higher than that of the ceramic pipe, a high efficiency oscillation can be realized, and furthermore when the thermal conductivity of the ceramic pipe is made higher than that of the laser rod, the thermal lens effect can be alleviated.
摘要翻译：作为能够满足激光的位置稳定性和输出稳定性的复合激光棒，将激光激光元件掺杂的激光棒紧密地插入到具有晶体结构的非掺杂陶瓷管的中空部分与激光棒相同，随后烘烤，以便在烘烤之后除去激光棒和陶瓷管之间的界面处的间隙和应变，然后对陶瓷管的表面进行抛光以形成陶瓷表皮层，由此形成复合激光棒。在复合激光棒中，由于冷却水或散热器的冷却能力的波动引起的影响由非掺杂表层平均化，激光棒的温度波动被抑制，来自冷却水的振动的影响或者可以抑制冷却风扇。当激光棒的折射率高于陶瓷管的折射率时，可以实现高效率的振荡，此外，当陶瓷管的导热率高于激光棒的热导率时，热透镜效应可以缓解。

3. 发明授权

US07158546B2 Composite laser rod, fabricating method thereof, and laser device therewith 失效
标题翻译：复合激光棒及其制造方法及激光装置
公开(公告)号：US07158546B2
公开(公告)日：2007-01-02
申请号：US10372836
申请日：2003-02-26
申请人： Hikaru Kouta , Yoshikazu Suzuki , Shuetsu Kudo , Masaki Tsunekane , Katsuji Mukaihara , Takagimi Yanagitani , Hideki Yagi
发明人： Hikaru Kouta , Yoshikazu Suzuki , Shuetsu Kudo , Masaki Tsunekane , Katsuji Mukaihara , Takagimi Yanagitani , Hideki Yagi
IPC分类号： H01S3/098 , H01S3/14
CPC分类号： H01S3/061 , H01S3/025 , H01S3/0407 , H01S3/042 , H01S3/0612 , H01S3/08095 , H01S3/0941 , H01S3/09415
摘要： As a composite laser rod capable of satisfying the positional stability and output stability of a laser beam, a laser rod in which a laser active element is doped is intimately inserted into a hollow portion of a non-doped ceramic pipe that has a crystal structure the same as the laser rod followed by baking so as to remove a gap and strain at an interface between the laser rod and the ceramic pipe after the baking further followed by polishing a surface of the ceramic pipe to form a ceramic skin layer, and thereby a composite laser rod is formed. In the composite laser rod, an influence due to fluctuation in the cooling capacity of cooling water or a heat sink is averaged by a non-doped skin layer, temperature fluctuation of the laser rod is suppressed, and an influence of vibration from the cooling water or a cooling fan can be suppressed. When the refractive index of the laser rod is made higher than that of the ceramic pipe, a high efficiency oscillation can be realized, and furthermore when the thermal conductivity of the ceramic pipe is made higher than that of the laser rod, the thermal lens effect can be alleviated.
摘要翻译：作为能够满足激光的位置稳定性和输出稳定性的复合激光棒，将激光激光元件掺杂的激光棒紧密地插入到具有晶体结构的非掺杂陶瓷管的中空部分与激光棒相同，随后烘烤，以便在烘烤之后除去激光棒和陶瓷管之间的界面处的间隙和应变，然后对陶瓷管的表面进行抛光以形成陶瓷表皮层，由此形成复合激光棒。在复合激光棒中，由于冷却水或散热器的冷却能力的波动引起的影响由非掺杂表层平均化，激光棒的温度波动被抑制，来自冷却水的振动的影响或者可以抑制冷却风扇。当激光棒的折射率高于陶瓷管的折射率时，可以实现高效率的振荡，此外，当陶瓷管的导热率高于激光棒的热导率时，热透镜效应可以缓解。

4. 发明授权

US06532248B2 Diode-laser side-pumped solid-state laser device 有权
标题翻译：二极管激光侧泵浦固态激光器件
公开(公告)号：US06532248B2
公开(公告)日：2003-03-11
申请号：US09793362
申请日：2001-02-26
申请人： Masaki Tsunekane , Shuetsu Kudo , Katsuji Mukaihara , Hideyuki Moribe , Takashi Ooyama
发明人： Masaki Tsunekane , Shuetsu Kudo , Katsuji Mukaihara , Hideyuki Moribe , Takashi Ooyama
IPC分类号： H01S3093
CPC分类号： H01S3/0941 , H01S3/025 , H01S3/0407 , H01S3/042 , H01S3/061 , H01S3/094084
摘要： A diode-laser side-pumped solid-state laser device (SSLD) has a cylindrical laser rod, a cooling tube, and a cylindrical mirror member having an inner mirror surface and a plurality of openings therein for introducing pumping laser. The laser rod receives the pumping laser, absorbs a portion of the pumping laser, and passes and focus the remaining portion of the pumping laser at a focal point disposed on the mirror surface. Substantially all the remaining portion of the pumping laser is reflected to be received and absorbed by the laser rod.
摘要翻译：二极管激光器侧泵浦固体激光器件（SSLD）具有圆柱形激光棒，冷却管和具有内镜表面和多个开口的圆柱形反射镜部件，用于引入泵浦激光。激光棒接收泵浦激光器，吸收泵浦激光器的一部分，并将泵浦激光器的剩余部分通过并聚焦在设置在镜面上的焦点处。基本上所有剩余部分的激光被反射以被激光棒接收和吸收。

5. 发明授权

US06822985B2 Laser-diode-pumped solid-state laser apparatus and status diagnostic method of the same 失效
标题翻译：激光二极管泵浦固态激光装置及其状态诊断方法相同
公开(公告)号：US06822985B2
公开(公告)日：2004-11-23
申请号：US10091487
申请日：2002-03-07
申请人： Masaki Tsunekane , Katsuji Mukaihara
发明人： Masaki Tsunekane , Katsuji Mukaihara
IPC分类号： H01S313
CPC分类号： H01S3/1312 , H01S3/0014 , H01S3/0805 , H01S3/09408 , H01S3/0941 , H01S2301/02
摘要： A laser-diode-pumped solid-state laser apparatus includes a laser rod, and laser diode devices that generate pumping light. Optical unit such as a reflection mirror and an optical waveguide medium is provided at a position in a laser resonator near a laser optical axis and not blocking the optical axis. A photo-detector detects a quantity of fluorescence generated from solid-state laser medium. The fluorescence quantity is compared with a predetermined value or a previously measured value. Thus degradation status of a laser diode light source is constantly diagnosed.
摘要翻译：激光二极管泵浦的固体激光装置包括激光棒和产生泵浦光的激光二极管装置。光学单元如反射镜和光波导介质设置在激光谐振器附近的激光光轴附近并且不阻挡光轴的位置。光检测器检测从固态激光介质产生的荧光量。将荧光量与预定值或先前测量值进行比较。因此，不断诊断激光二极管光源的劣化状态。

6. 发明授权

US07233611B2 Diode-pumped solid-state laser device and manufacturing method of the same 失效
标题翻译：二极管泵浦固态激光器件及其制造方法
公开(公告)号：US07233611B2
公开(公告)日：2007-06-19
申请号：US10715553
申请日：2003-11-19
申请人： Katsuji Mukaihara , Masaki Tsunekane
发明人： Katsuji Mukaihara , Masaki Tsunekane
IPC分类号： H01S3/093
CPC分类号： H01S3/0941 , H01S3/025 , H01S3/0407 , H01S3/042 , H01S3/094084
摘要： A conventional method for a solid-state laser device that obtains a laser beam output of a high quality at a high output using a laser diode as a pumping light source has a problem that the costs are increased and the fabrication becomes complicated due to an increasing number of components, such as a diffusing reflection mirror, a condenser lens, and a holding mechanism and a cooling mechanism thereof. Coating with a antireflection coating to reduce a transmission loss of laser diode light, and coating with a high reflection coating to reflect the laser diode light are provided alternately on the outer surface of a cooling tube. Also, an irradiation direction of the laser diode is not directed to the center of the laser rod, but is given with a certain angle to be positively tilted. This configuration makes it possible to eliminate the above problem.
摘要翻译：使用激光二极管作为泵浦光源获得高质量的高质量激光束输出的常规方法具有成本增加并且由于增加而导致制造变得复杂的问题多个部件，例如扩散反射镜，聚光镜，保持机构及其冷却机构。在冷却管的外表面交替地设置具有抗反射涂层的涂层以减少激光二极管光的传输损耗，并且用高反射涂层涂覆以反射激光二极管光。此外，激光二极管的照射方向不是朝向激光棒的中心，而是被赋予一定角度以被正向倾斜。该配置使得可以消除上述问题。

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