公开(公告)号：US11509111B2

公开(公告)日：2022-11-22

申请号：US16600202

申请日：2019-10-11

申请人： SHANDONG UNIVERSITY

发明人： Haohai Yu ,  Huaijin Zhang ,  Jinheng Du ,  Jiyang Wang

IPC分类号： H01S3/0941 ,  H01S3/093 ,  H01S3/109 ,  H01S3/06 ,  H01S3/094 ,  H01S3/16 ,  H01S3/04 ,  H01S3/042

摘要： A kind of all-solid-state high-power slab laser based on phonon band-edge emission, which is comprised of a pumping source, a focusing system, a resonant cavity and a self-frequency-doubling crystal; the said self-frequency-doubling crystal is a Yb-doped RECOB crystal cut into slab shape along the direction of the crystal's maximum effective nonlinear coefficient of its non-principal plane; by changing the cutting direction of the crystal, the phase matching of different wavelengths is realized, thus realizing laser output at the band of 560-600 nm; the said pumping source is a diode laser matrix with a wavelength of 880 nm-980 nm; the input cavity mirror and the output cavity mirror are coated with films to obtain laser output at the band of 560-600 nm; the two large faces of the said self-frequency-doubling crystal is cooled by heat sink and located between the input cavity mirror and the output cavity mirror.

公开(公告)号：US11446086B2

公开(公告)日：2022-09-20

申请号：US17013082

申请日：2020-09-04

申请人： CYNOSURE, LLC

发明人： Mirko Georgiev Mirkov ,  Daniel Hohm ,  Christian Hoffman ,  Rafael Armando Sierra

IPC分类号： A61B18/20 ,  H01S3/11 ,  A61N5/06 ,  H01S3/06 ,  H01S3/094 ,  H01S3/08 ,  H01S3/102 ,  H01S3/093 ,  H01S3/107 ,  H01S3/16 ,  H01S3/00 ,  A61N5/067 ,  A61B18/00

摘要： Methods, systems and apparatus are disclosed for delivery of pulsed treatment radiation by employing a pump radiation source generating picosecond pulses at a first wavelength, and a frequency-shifting resonator having a losing medium and resonant cavity configured to receive the picosecond pulses from the pump source at the first wavelength and to emit radiation at a second wavelength in response thereto, wherein the resonant cavity of the frequency-shifting resonator has a round trip time shorter than the duration of the picosecond pulses generated by the pump radiation source. Methods, systems and apparatus are also disclosed for providing beam uniformity and a sub-harmonic resonator.

公开(公告)号：US20190089118A1

公开(公告)日：2019-03-21

申请号：US16137691

申请日：2018-09-21

申请人： Wang-Long ZHOU ,  Francisco VILLARREAL-SAUCEDO

发明人： Wang-Long ZHOU ,  Francisco VILLARREAL-SAUCEDO

IPC分类号： H01S3/094 ,  G02B27/30 ,  F21V8/00 ,  H01S3/00 ,  H01S3/093

摘要： In various embodiments, one or more optical elements are utilized to alter the numerical aperture of a radiation beam received from an optical fiber in order to accommodate the properties of a downstream collimator within a laser delivery head.

公开(公告)号：US20180278007A1

公开(公告)日：2018-09-27

申请号：US15544613

申请日：2016-01-13

申请人： HAMAMATSU PHOTONICS K.K.

发明人： Takashi SEKINE ,  Yoshinori KATO ,  Yoshinori TAMAOKI ,  Takashi KURITA ,  Toshiyuki KAWASHIMA ,  Takaaki MORITA

IPC分类号： H01S3/042 ,  H01S3/06 ,  H01S3/07 ,  H01S3/02 ,  H01S3/16 ,  H01S3/04 ,  H01S3/093

CPC分类号： H01S3/042 ,  H01S3/025 ,  H01S3/0407 ,  H01S3/06 ,  H01S3/0604 ,  H01S3/0608 ,  H01S3/0623 ,  H01S3/07 ,  H01S3/091 ,  H01S3/093 ,  H01S3/10 ,  H01S3/1611 ,  H01S3/1643

摘要： A plate-like laser medium has a through-hole for providing a flow of a cooling medium. The laser medium unit includes the plurality of laser media. A laser beam amplification device includes a laser medium unit 10, an excitation light source 21 that causes excitation light to enter the laser medium unit 10, a through-hole 16a of a window member as a unit for supplying the cooling medium in a through-hole 14a of the laser medium 14, and a cooling medium flow path F1 arranged around the laser medium unit 10.

公开(公告)号：US09991663B2

公开(公告)日：2018-06-05

申请号：US15470197

申请日：2017-03-27

申请人： FUJIFILM Corporation

发明人： Dai Murakoshi

IPC分类号： H01S3/042 ,  H01S3/093

CPC分类号： H01S3/042 ,  H01S3/025 ,  H01S3/0407 ,  H01S3/061 ,  H01S3/093 ,  H01S3/0933

摘要： A solid-state laser device includes: a first water tank which houses a laser rod and a lamp and into which coolant is introduced; an outer inlet which is provided in a member forming a chamber and through which coolant is received into the chamber; and an outer outlet provided in said member and through which a coolant is discharged to the outside of the chamber. The solid-state laser device further includes: two second water tanks that house electrodes of both ends of the lamp, respectively, and communicate with the first water tank; a coolant inflow passage of which one end communicates with the outer inlet and the other end forms inner inlets opened to only the second water tanks; and a coolant outflow passage of which one end communicates with the outer outlet and the other end forms an inner outlet opened to the first water tank.

公开(公告)号：US09287112B2

公开(公告)日：2016-03-15

申请号：US14418500

申请日：2013-08-01

申请人： Martin A. Stuart ,  Stephen L. Cunningham

发明人： Martin A. Stuart ,  Stephen L. Cunningham

IPC分类号： H01S3/08 ,  H01S3/091 ,  H01S3/092 ,  H01L21/02 ,  H01L21/3205 ,  H01S3/06 ,  H01S3/04 ,  H01S3/042 ,  H01S3/093 ,  H01S3/16 ,  H01S3/23 ,  H01S3/11 ,  H01L31/024 ,  H01L31/18 ,  C23C16/27 ,  G02B6/122

CPC分类号： H01S3/0606 ,  C23C14/02 ,  C23C14/28 ,  C23C16/27 ,  G02B6/1223 ,  H01L21/02115 ,  H01L21/02181 ,  H01L21/02183 ,  H01L21/02194 ,  H01L21/02266 ,  H01L21/3205 ,  H01L31/024 ,  H01L31/18 ,  H01S3/0071 ,  H01S3/0407 ,  H01S3/042 ,  H01S3/0615 ,  H01S3/0621 ,  H01S3/08027 ,  H01S3/08086 ,  H01S3/08095 ,  H01S3/0915 ,  H01S3/092 ,  H01S3/093 ,  H01S3/11 ,  H01S3/1601 ,  H01S3/1623 ,  H01S3/1625 ,  H01S3/163 ,  H01S3/1633 ,  H01S3/1636 ,  H01S3/1666 ,  H01S3/23 ,  H01S3/2316 ,  H01S3/2333

摘要： A slab laser and its method of use for high power applications including the manufacture of semiconductors and deposition of diamond and/or diamond-like-carbon layers, among other materials. A lamp driven slab design with a face-to-face beam propagation scheme and an end reflection that redirects the amplified radiation back out the same input surface is utilized. A side-to-side amplifier configuration permitting very high average and peak powers having scalability is also disclosed. Cavity filters adjacent to pump lamps convert the normally unusable UV portion of the pump lamp spectrum into light in the absorption band of the slab laser, thereby increasing the overall pump efficiency. The angle of the end reflecting surface is changed to cause the exit beam to be at a different angle than the inlet beam, thereby eliminating the costly need to separate the beams external to the laser with the subsequent loss of power.

摘要翻译： 平板激光器及其用于大功率应用的方法，包括半导体的制造和金刚石和/或类金刚石碳层的沉积等。 利用具有面对面波束传播方案的灯驱动平板设计和将放大的辐射重定向到相同的输入表面的端反射。 还公开了允许具有可扩展性的非常高的平均和峰值功率的侧向放大器配置。 与泵浦灯相邻的腔过滤器将泵灯光谱的通常不可用的UV部分转换成板激光器的吸收带中的光，从而提高整体泵效率。 改变端部反射表面的角度以使出射光束与入射光束处于不同的角度，从而消除了将激光外部的光束分离成随后的功率损耗的昂贵的需要。

公开(公告)号：US08761213B2

公开(公告)日：2014-06-24

申请号：US13632372

申请日：2012-10-01

申请人： Coherent GmbH

发明人： Wolf Seelert ,  Vasiliy Ostroumov

IPC分类号： H01S3/10 ,  H01S3/00 ,  H01S3/02 ,  H01S3/08 ,  H01S3/09 ,  H01S3/091 ,  H01S3/093 ,  H01S3/04 ,  H01S3/102

CPC分类号： H01S3/0014 ,  H01S3/00 ,  H01S3/0078 ,  H01S3/0092 ,  H01S3/025 ,  H01S3/04 ,  H01S3/08072 ,  H01S3/0815 ,  H01S3/09 ,  H01S3/091 ,  H01S3/093 ,  H01S3/1028 ,  H01S3/109 ,  H01S5/0092 ,  H01S5/02446 ,  H01S5/041 ,  H01S5/0687 ,  H01S5/141

摘要： A frequency-doubled OPS-laser having a desired output wavelength of 532 nm is tunable about that wavelength by a temperature tuned birefringent filter (BRF). The temperature of the BRF is varied while measuring transmission of a sample of the output through a Nd:YAG crystal having an absorption peak at a wavelength of about 532.4 nm. The peak is detected as a minimum of transmission and the temperature at which that minimum occurs is recorded. From wavelength-change-versus-temperature data for the BRF a temperature is calculated at which the output wavelength has the desired value and is maintained at that value to stabilize the output wavelength.

摘要翻译： 具有532nm的期望输出波长的倍频OPS激光器可通过温度调节双折射滤光器（BRF）围绕该波长可调。 BRF的温度在测量通过具有约532.4nm的波长的吸收峰的Nd：YAG晶体的输出样品的透射的同时变化。 峰值被检测为传输的最小值，记录发生最小值的温度。 根据BRF的波长变化对温度数据，计算输出波长具有期望值并保持在该值以稳定输出波长的温度。

公开(公告)号：US07653113B2

公开(公告)日：2010-01-26

申请号：US11980350

申请日：2007-10-31

申请人： Sang-moon Lee ,  Jun-ho Lee

发明人： Sang-moon Lee ,  Jun-ho Lee

IPC分类号： H01S3/093

CPC分类号： H01S5/041 ,  H01S5/0071 ,  H01S5/026 ,  H01S5/141 ,  H01S5/183 ,  H01S5/4056

摘要： Provided is a pump laser integrated vertical external cavity surface emitting laser (VECSEL). The VECSEL may include a surface emitting laser unit including a first active layer having a multiple quantum well structure emitting light having a first wavelength, a reflective layer may be formed on the first active layer, and an external mirror may be disposed opposite to a lower surface of the first active layer and defining a cavity resonator together with the reflective layer. A pump laser unit may be formed on a part of the surface emitting laser unit and may have a perpendicular light emissive surface emitting a pump beam having a second wavelength for exciting the first active layer. A beam reflector may be formed on the light emissive surface of the pump laser unit and reflecta pump beam that is incident from the pump laser unit to the first active layer.

摘要翻译： 提供了一种泵浦激光器集成的垂直外腔表面发射激光器（VECSEL）。 VECSEL可以包括表面发射激光器单元，其包括具有发射具有第一波长的光的多重量子阱结构的第一有源层，反射层可以形成在第一有源层上，并且外部反射镜可以布置成与下部 第一有源层的表面并与反射层一起限定空腔谐振器。 泵激光单元可以形成在表面发射激光器单元的一部分上，并且可以具有发射具有用于激发第一有源层的第二波长的泵浦光束的垂直光发射表面。 光束反射器可以形成在泵激光单元的发光表面上，并且反射从泵激光单元入射到第一有源层的泵浦光束。

公开(公告)号：US20080225912A1

公开(公告)日：2008-09-18

申请号：US11908896

申请日：2006-03-10

申请人： Takashi Yabe ,  Shigeaki Uchida

发明人： Takashi Yabe ,  Shigeaki Uchida

IPC分类号： H01S3/04 ,  H01S3/093

CPC分类号： H01S3/042 ,  H01S3/025 ,  H01S3/0407 ,  H01S3/0606 ,  H01S3/061 ,  H01S3/0612 ,  H01S3/0617 ,  H01S3/0915 ,  H01S3/2391

摘要： A solar light pumped laser performing laser oscillation by pumping a laser medium with solar light, the solar light pumped laser including, a laser medium 12, a container device 14 that supports the laser medium 12 therein, the container device 14 being provided with a focusing optical element 22 for irradiating solar light focused along the laser medium 12, while retaining cooling liquid in a space between the laser medium 12 and the container device 14, and additionally, a pair of optical reflection elements (16, 18) arranged adjacent to the opposing ends of the laser medium. An end of the container device 14 has Brewster's angle. Further, the cooling liquid according to the present invention contains water functioning as an optical medium to form a water lens simultaneously with cleaning the focusing optical element 22.

摘要翻译： 太阳光泵浦激光器通过用太阳光泵浦激光介质进行激光振荡，太阳光泵浦激光器包括激光介质12，其中支撑激光介质12的容器装置14，容器装置14设置有聚焦 用于照射沿着激光介质12聚焦的太阳光的光学元件22，同时将冷却液保持在激光介质12和容器装置14之间的空间中，另外，一对光反射元件（16,18） 激光介质的相对端。 容器装置14的一端具有布鲁斯特的角度。 此外，根据本发明的冷却液含有作为光学介质的水，与清洁聚焦光学元件22同时形成水透镜。

公开(公告)号：US20070280325A1

公开(公告)日：2007-12-06

申请号：US11807424

申请日：2007-05-29

申请人： Gary Y. Wang

发明人： Gary Y. Wang

IPC分类号： H01S3/09 ,  H01S3/091 ,  H01S3/093 ,  H01S3/08 ,  H01S3/092

CPC分类号： H01S3/2316 ,  H01S3/005 ,  H01S3/08072 ,  H01S3/094057 ,  H01S3/0941 ,  H01S3/1611 ,  H01S3/1643 ,  H01S3/2333

摘要： A master oscillator power amplifier (MOPA) laser system includes a symmetrical master oscillator and an amplifier each having an optically pumped solid-state gain rod. An optical relay is located between the laser resonator and the amplifier gain rod. When the oscillator and amplifier gain media are equally optically pumped, the magnification and the distances from the optical relay to the resonator and the amplifier gain rod can be selected such that amplifier efficiency is maximized, independent of optical pump power, even if the diameters of the oscillator and amplifier gain rods are different.

摘要翻译： 主振荡器功率放大器（MOPA）激光器系统包括对称主振荡器和每个具有光泵浦固态增益棒的放大器。 光继电器位于激光谐振器和放大器增益杆之间。 当振荡器和放大器增益介质同样被光泵浦时，可以选择放大率和从光继电器到谐振器和放大器增益杆的距离，使放大器效率最大化，与光泵功率无关，即使直径 振荡器和放大器增益棒是不同的。