公开(公告)号：US07653100B2

公开(公告)日：2010-01-26

申请号：US11663960

申请日：2005-11-24

申请人： Yasukazu Izawa ,  Masayuki Fujita ,  Shigeki Tokita ,  Tadashi Ikegawa ,  Toshiyuki Kawashima ,  Hirofumi Kan

发明人： Yasukazu Izawa ,  Masayuki Fujita ,  Shigeki Tokita ,  Tadashi Ikegawa ,  Toshiyuki Kawashima ,  Hirofumi Kan

IPC分类号： H01S3/04

CPC分类号： H01S3/0604 ,  H01S3/025 ,  H01S3/027 ,  H01S3/0405 ,  H01S3/042 ,  H01S3/08072 ,  H01S3/0816 ,  H01S3/09415 ,  H01S3/2308 ,  H01S3/235

摘要： The present invention relates to a solid-state laser module, and so on, having a structure for enabling optical output of high quality to be obtained. The solid-state laser module includes a vacuum container with windows, and a heat sink, a solid-state laser medium, and a pair of transparent members are housed in the vacuum container in an integrally assembled state. The solid-state laser medium and the pair of transparent members respectively have disk shapes, and the pair of transparent members sandwich the solid-state laser medium. The thermal conductivity of each of the pair of transparent members is higher than the thermal conductivity of the solid-state laser medium. The heat sink has a shape that simultaneously clamps portions of the pair of transparent members that sandwich the solid-state laser medium in between, and a heat insulating region, with a thermal conductivity that is lower than the thermal conductivity of the solid-state laser medium, is provided between the heat sink and the solid-state laser medium.

摘要翻译： 本发明涉及具有能够获得高质量的光输出的结构的固态激光器模块等。 固体激光器模块包括具有窗口的真空容器，并且散热器，固态激光介质和一对透明构件以整体组装的状态容纳在真空容器中。 固体激光介质和一对透明构件分别具有圆盘形状，并且一对透明构件夹着固态激光介质。 一对透明构件中的每一个的热导率高于固态激光介质的热导率。 散热器具有同时夹持固定状态的激光介质的一对透明构件的一部分与隔热区域的热传导率低于固体激光器的热导率的形状 介质，设置在散热器和固态激光介质之间。

公开(公告)号：US20090141746A1

公开(公告)日：2009-06-04

申请号：US11916114

申请日：2006-05-19

申请人： Shuichi Fujikawa ,  Junji Kano ,  Kazuki Kuba

发明人： Shuichi Fujikawa ,  Junji Kano ,  Kazuki Kuba

IPC分类号： H01S3/11 ,  H01S3/00 ,  H01S3/10

CPC分类号： H01S3/025 ,  H01S3/005 ,  H01S3/0092 ,  H01S3/027 ,  H01S3/07 ,  H01S3/0941 ,  H01S3/117

摘要： In a solid-state laser device, a single outer casing (1) having an approximately sealed structure is included; a single or a plurality of inner casings (2) are provided inside the outer casing (1); in some or all of the inner casings (2), an air cleaning unit (4) is included in which the air within the outer casing (1) is made clean and supplied into the inner casings (2); inside the outer casing (1), there disposed are a laser light-source (5, 6, 7) having a solid-state laser medium (501) and a light resonator, and an optical system (10, 11, 901) that transmits or interrupts a laser beam (8) emitted from the laser light-source; in addition, the laser light-source (5, 6, 7) and the optical system (10, 11, 901) or part of them are contained inside the inner casings (2); thus, in a simple, compact and inexpensive configuration, it is possible to prevent degradation of optical components and dew condensation thereon, and to stably supply a laser beam.

摘要翻译： 在固体激光装置中，包括具有近似密封结构的单个外壳（1） 在外壳（1）的内部设有单个或多个内壳（2）。 在一些或全部内壳体（2）中，包括空气净化单元（4），其中外壳（1）内的空气被清洁并供应到内壳体（2）中; 在外壳（1）的内部，设置有具有固态激光介质（501）和光谐振器的激光光源（5,6,7）和光学系统（10,11,101），其中 传输或中断从激光光源发射的激光束（8）; 另外，激光光源（5,6,7）和光学系统（10,11，901）或其一部分被包含在内壳体（2）内; 因此，在简单，紧凑且廉价的结构中，可以防止光学部件的劣化和结露，并稳定地供给激光束。

公开(公告)号：US20090059991A1

公开(公告)日：2009-03-05

申请号：US11847876

申请日：2007-08-30

申请人： David J. BOSSERT ,  Dennis R. ROSSBACH

发明人： David J. BOSSERT ,  Dennis R. ROSSBACH

IPC分类号： H01S3/081

CPC分类号： H01S3/0604 ,  H01S3/025 ,  H01S3/027 ,  H01S3/07 ,  H01S3/08 ,  H01S3/0804 ,  H01S3/0813 ,  H01S3/10061 ,  H01S3/1026

摘要： The present embodiment provides a system and method for lowering the saturated gain level of a thin-disk laser oscillator by multipassing each gain generator in such a way to cancel some of the wavefront error contributions from the disk surfaces. Wavefront aberrations introduced on one pass of the gain disk are canceled through symmetry on successive passes. The reduced wavefront error significantly improves design space for single-mode resonators. Maximum effectiveness is achieved by rotating the gain disk so that the fold plane-of-symmetry reverses the largest wavefront error or specifically chosen functional forms.

摘要翻译： 本实施例提供了一种用于通过以每个增益发生器多次放大来消除来自盘表面的一些波前误差贡献的方式来降低薄盘激光振荡器的饱和增益水平的系统和方法。 在增益盘的一次通过时引入的波前像差在连续通过时被对称取消。 降低的波前误差显着提高了单模谐振器的设计空间。 通过旋转增益盘来实现最大效能，使得折叠平面对称性反转最大的波前误差或具体选择的功能形式。

公开(公告)号：US20080219317A1

公开(公告)日：2008-09-11

申请号：US12041986

申请日：2008-03-04

申请人： George H. Pettit ,  George Richard Downes ,  Steven E. Bott

发明人： George H. Pettit ,  George Richard Downes ,  Steven E. Bott

IPC分类号： H01S3/22

CPC分类号： H01S3/02 ,  A61F9/008 ,  A61F9/00804 ,  H01S3/027 ,  H01S3/225

摘要： A gas-purged laser system and method of gas-purging a laser system are disclosed. One embodiment of the laser system comprises an excimer refractive surgical laser system having a laser beam optical path configured to allow purging of a portion of a volume enclosing the laser beam optical path with a gas, and a gas generator, operable to generate the purging gas and provide the gas to the volume portion. The portion of the volume can be the entire volume enclosing the laser beam optical path or a selected portion thereof. The gas can be nitrogen gas and the gas generator can be a self-contained nitrogen generator as will be known to those having skill in the art. Embodiments can further comprise a controller for controlling the flow of purging gas in response to received signals representative of various parameters, such as temperature, oxygen level, pressure, humidity and flow rate.

摘要翻译： 公开了一种气体净化激光系统和气体吹扫激光系统的方法。 激光系统的一个实施例包括准分子折射外科激光系统，其具有被配置为允许用气体吹扫包围激光束光路的体积的一部分的激光束光学路径，以及气体发生器，其可操作以产生吹扫气体 并将气体提供到体积部分。 体积的一部分可以是包围激光束光路的整个体积或其选定部分。 气体可以是氮气，并且如本领域技术人员将知道的，气体发生器可以是独立的氮气发生器。 实施例还可以包括控制器，用于响应于表示各种参数（例如温度，氧气水平，压力，湿度和流量）的接收信号来控制净化气体的流动。

公开(公告)号：US07039081B2

公开(公告)日：2006-05-02

申请号：US10637785

申请日：2003-08-08

申请人： Andreas Stingl ,  Ferenc Krausz

发明人： Andreas Stingl ,  Ferenc Krausz

IPC分类号： H01S3/03

CPC分类号： H01S3/025 ,  H01S3/027 ,  H01S3/0405 ,  H01S3/042 ,  H01S3/094038 ,  H01S3/2325

摘要： A cooling device for an optical amplifier or oscillator has Peltier elements enclosed in a housing with an optical crystal and extract heat from the optical crystal. The housing is sealed and can contain a desiccant for removing moisture and preventing particle deposition. Alternately, the housing can be evacuated with a vacuum to maintain a clean operating environment. The housing holds a Brewster window at a Brewster angle with an inident laser beam to permit passage of the laser beam. The housing also can be arranged on a platform providing liquid cooling.

摘要翻译： 用于光放大器或振荡器的冷却装置具有封闭在具有光学晶体的壳体中的珀尔帖元件并且从光学晶体提取热量。 壳体是密封的，并且可以含有用于除去水分并防止颗粒沉积的干燥剂。 或者，壳体可以用真空抽真空以保持清洁的操作环境。 外壳以布鲁斯特（Brewster）的角度与布雷斯特（Brewster）窗口保持一致，其中包括一个意大利激光束，以允许激光束通过。 外壳也可以布置在提供液体冷却的平台上。

公开(公告)号：US20050175049A1

公开(公告)日：2005-08-11

申请号：US10637785

申请日：2003-08-08

申请人： Andreas Stingl ,  Ferenc Krausz

发明人： Andreas Stingl ,  Ferenc Krausz

IPC分类号： H01S3/02 ,  H01S3/04 ,  H01S3/042

CPC分类号： H01S3/025 ,  H01S3/027 ,  H01S3/0405 ,  H01S3/042 ,  H01S3/094038 ,  H01S3/2325

摘要： A cooling device for an optical amplifier or oscillator has Peltier elements enclosed in a housing with an optical crystal and extract heat from the optical crystal. The housing is sealed and can contain a desiccant for removing moisture and preventing particle deposition. Alternately, the housing can be evacuated with a vacuum to maintain a clean operating environment. The housing holds a Brewster window at a Brewster angle with an inident laser beam to permit passage of the laser beam. The housing also can be arranged on a platform providing liquid cooling.

摘要翻译： 用于光放大器或振荡器的冷却装置具有封闭在具有光学晶体的壳体中的珀尔帖元件并且从光学晶体提取热量。 壳体是密封的，并且可以含有用于除去水分并防止颗粒沉积的干燥剂。 或者，壳体可以用真空抽真空以保持清洁的操作环境。 外壳以布鲁斯特（Brewster）的角度与布雷斯特（Brewster）窗口保持一致，其中包括一个意大利激光束，以允许激光束通过。 外壳也可以布置在提供液体冷却的平台上。

公开(公告)号：US20030011872A1

公开(公告)日：2003-01-16

申请号：US10013637

申请日：2001-12-10

发明人： William A. Shull

IPC分类号： H01S003/00

CPC分类号： H01S3/109 ,  H01S3/025 ,  H01S3/027

摘要： The invention features a nonlinear optical crystal assembly and a gas mixture that surrounds the nonlinear crystal. The gas mixture reduces photochemical degradation of the nonlinear crystal caused by exposure of the nonlinear crystal to a high power light source. For example, the nonlinear crystal may be a borate-based nonlinear crystal such as BBO and the gas mixture may include a hydrogen and oxygen to repair broken bonds in boron-oxygen rings of the borate-based crystal. The assembly may be incorporated into a light source, and applications requiring such a light source, such as, e.g., applications requiring ultraviolet light. Furthermore, the nonlinear crystal assembly may be placed inside an optical cavity.

摘要翻译： 本发明的特征在于非线性光学晶体组件和围绕非线性晶体的气体混合物。 气体混合物通过将非线性晶体暴露于高功率光源而导致非线性晶体的光化学降解。 例如，非线性晶体可以是诸如BBO的基于硼酸盐的非线性晶体，并且气体混合物可以包括氢和氧以修复硼酸盐基晶体的硼氧环中的断裂键。 该组件可以结合到光源中，以及需要这种光源的应用，例如需要紫外光的应用。 此外，非线性晶体组件可以放置在光腔内。

公开(公告)号：US06307871B1

公开(公告)日：2001-10-23

申请号：US09270991

申请日：1999-03-17

申请人： Geoffrey O. Heberle

发明人： Geoffrey O. Heberle

IPC分类号： H01S304

CPC分类号： F28F3/02 ,  F28D20/02 ,  F28D2021/0029 ,  F28F3/12 ,  H01S3/025 ,  H01S3/027 ,  H01S3/0405 ,  H01S3/0407 ,  H01S3/042 ,  H01S3/0941 ,  H01S5/02415 ,  H01S5/02438 ,  H01S5/02469 ,  H01S5/4025 ,  Y02E60/145

摘要： A passively cooled solid-state laser system for producing high-output power is set forth. The system includes an optics bench assembly containing a laser head assembly which generates a high-power laser beam. A laser medium heat sink assembly is positioned in thermal communication with the laser medium for conductively dissipating waste heat and controlling the temperature of the laser medium. A diode array heat sink assembly is positioned in thermal communication with the laser diode array assembly for conductively dissipating waste heat and controlling the temperature of the laser diode array assembly. The heat sink assemblies include heat exchangers with extending surfaces in intimate contact with phase change material. When the laser system is operating, the phase change material transitions from solid to liquid phase. This transition of the phase change material also provides a thermal buffer for laser components such that the phase change material absorbs the energy associated with fluctuations in ambient temperature before transferring it to the laser component. Also, the heat sink assembly can contain more than one type of phase change material, each having a different melting temperature.

摘要翻译： 阐述了一种用于产生高输出功率的被动冷却的固态激光系统。 该系统包括包含产生高功率激光束的激光头组件的光学台架组件。 激光介质散热器组件定位成与激光介质热连通，用于导电地耗散废热并控制激光介质的温度。 二极管阵列散热器组件定位成与激光二极管阵列组件热连通，用于导电地耗散余热并控制激光二极管阵列组件的温度。 散热器组件包括具有与相变材料紧密接触的延伸表面的热交换器。 当激光系统工作时，相变材料从固相转变为液相。 相变材料的这种转变还为激光组件提供热缓冲器，使得相变材料在将其转移到激光部件之前吸收与环境温度波动相关联的能量。 此外，散热器组件可以包含多于一种类型的相变材料，每种相变材料具有不同的熔化温度。

公开(公告)号：US5535232A

公开(公告)日：1996-07-09

申请号：US381243

申请日：1995-01-31

申请人： Steven R. Bowman ,  Joseph Ganem ,  Barry J. Feldman

发明人： Steven R. Bowman ,  Joseph Ganem ,  Barry J. Feldman

IPC分类号： H01S3/08 ,  H01S3/094 ,  H01S3/16 ,  H01S3/091 ,  H01S3/092

CPC分类号： H01S3/1613 ,  H01S2302/00 ,  H01S3/025 ,  H01S3/027 ,  H01S3/094092

摘要： The present invention is a solid state laser, including: (1) a laser cavity defined by a first mirror and an opposing second mirror, where these mirrors are reflective at the output wavelength of the laser; (2) a laser medium disposed in the laser cavity, including a low phonon energy host material, doped with an amount of praseodymium ions sufficient to produce a longitudinal mode laser emission from the transition of the praseodymium ions from the .sup.3 F.sub.3 excited state to a lower energy state when the laser medium is pumped by an appropriate pump, where the energy gap between the .sup.3 F.sub.3 excited state and the lower energy state corresponds to the output wavelength of the laser; and (3) a pump for the laser medium.

摘要翻译： 本发明是一种固态激光器，包括：（1）由第一反射镜和相对的第二反射镜限定的激光腔，其中这些反射镜在激光的输出波长处是反射的; （2）设置在激光腔中的激光介质，包括低声子能量主体材料，其掺杂有足够的镨离子量，以产生从镨离子从3F 3激发态转变为较低的纵模激光发射 当激光介质被适当的泵泵浦时，其中3F3激发态和较低能态之间的能隙对应于激光器的输出波长; 和（3）用于激光介质的泵。

公开(公告)号：US20180241169A1

公开(公告)日：2018-08-23

申请号：US15752645

申请日：2016-08-22

申请人： M SQUARED LASERS LINITED

发明人： Gareth Thomas MAKER ,  Simon MUNRO

IPC分类号： H01S3/02 ,  G02B27/00 ,  H01S3/109 ,  H01S3/16 ,  H01S3/03

CPC分类号： H01S3/027 ,  G02B27/0006 ,  H01S3/03 ,  H01S3/109 ,  H01S3/1625

摘要： A purging system for a laser system is described. The purging system comprising a cartridge that houses a desiccant material and which is configured for removable mounting with an enclosure of the laser system. The cartridge comprising a first mesh layer that provides a means for a fluid to flow to the desiccant material housed within the cartridge. The purging system further comprises a membrane located over the first mesh layer. The purging system therefore provides a mean for passively purging the laser system and so its operation does not require the employment of a pump. The employment of the removable cartridge also has the advantage that the downtimes of the laser system with which it is deployed are reduced during periods when it is required to dry or replace the desiccant material.