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1. 发明申请

US20150103855A1 LASER DESIGN 审中-公开
标题翻译：激光设计
公开(公告)号：US20150103855A1
公开(公告)日：2015-04-16
申请号：US13470081
申请日：2012-05-11
申请人： Barry A. Wechsler , Michael P. Scripsick , David S. Sumida , Thomas G. Crow
发明人： Barry A. Wechsler , Michael P. Scripsick , David S. Sumida , Thomas G. Crow
IPC分类号： H01S3/06 , C30B29/32 , C30B19/12
CPC分类号： H01S3/0602 , C30B19/12 , C30B29/32 , H01S3/0408 , H01S3/0604 , H01S3/0612 , H01S3/09408 , H01S3/094084 , H01S3/0941 , H01S3/1618 , H01S3/1675
摘要： A laser gain element including an undoped layer of a monoclinic double tungstate (MDT) crystal, and a method of forming a laser gain element are provided. The laser gain element includes a layer of doped MDT crystal adjacent to the undoped layer, the doped MDT layer including a pre-selected concentration of rare earth ions. The layer of doped MDT crystal has an absorption peak at a first wavelength and an emission peak at a second wavelength longer than the first wavelength; and the layer of doped MDT crystal has a fluorescence emission with a weighted average at a third wavelength shorter than the first wavelength. A laser resonator cavity formed with a plurality of composite gain elements as above is also provided.
摘要翻译：提供了包括单斜晶双晶钨酸盐（MDT）晶体的未掺杂层的激光增益元件以及形成激光增益元件的方法。激光增益元件包括与未掺杂层相邻的掺杂MDT晶体层，掺杂的MDT层包括预先选择的稀土离子浓度。掺杂的MDT晶体层在第一波长处具有吸收峰，并且在比第一波长长的第二波长处具有发射峰; 并且掺杂的MDT晶体层具有在比第一波长短的第三波长处的加权平均的荧光发射。还提供了如上所述形成有多个复合增益元件的激光谐振腔。

2. 发明申请

US20080304534A1 POWER SCALEABLE THIN DISK LASERS 有权
标题翻译：功率可调薄磁盘激光器
公开(公告)号：US20080304534A1
公开(公告)日：2008-12-11
申请号：US11760470
申请日：2007-06-08
申请人： David S. Sumida , Hans W. Bruesselbach
发明人： David S. Sumida , Hans W. Bruesselbach
IPC分类号： H01S3/06
CPC分类号： H01S3/0604 , H01S3/025 , H01S3/0407 , H01S3/0602 , H01S3/0612 , H01S3/0615 , H01S3/0621 , H01S3/0623 , H01S2301/02
摘要： A thin disk laser includes a thin disk of a host material incorporating a laser gain medium. The disk has opposite first and second surfaces, at least one of which is non-planar. The first surface is coated with a high reflectivity coating. The second surface has an anti-reflection coating thereon. The shape and mounting of the laser is such that mismatch of the coefficients of thermal expansion between the disk laser and the mount does not affect scaling of the laser to larger size disks for higher power lasers
摘要翻译：薄盘激光器包括结合有激光增益介质的主体材料的薄盘。盘具有相对的第一和第二表面，其中至少一个是非平面的。第一表面涂有高反射率涂层。第二表面上具有防反射涂层。激光器的形状和安装使得盘式激光器和安装座之间的热膨胀系数的不匹配不会影响激光器对较大功率激光器的较大尺寸的光盘的缩放

3. 发明申请

US20080165817A1 Reverse oxidation post-growth process for tailored gain profile in solid-state devices 有权
标题翻译：反向氧化后生长过程，用于固态器件中定制的增益曲线
公开(公告)号：US20080165817A1
公开(公告)日：2008-07-10
申请号：US11584695
申请日：2006-10-20
申请人： David S. Sumida , Kevin W. Kirby
发明人： David S. Sumida , Kevin W. Kirby
IPC分类号： H01S3/16
CPC分类号： C30B31/00 , C30B29/20 , C30B33/005 , H01S3/061 , H01S3/0617 , H01S3/1618 , H01S3/1643
摘要： A laser rod is provided having a tailored gain profile such that the quality of the output beam is enhanced. The laser rod has a concentration of active substitutional ions that is relatively high at the center of the rod and decreases to the surface of the rod. The laser rod further has a concentration of pre-active laser ions that is relatively high at the surface of the rod and decreases to the center of the rod. Methods are disclosed for creating a layer of inactive laser species in the near surface region of a laser rod using substitutional dopant ions and for creating a laser rod with a tailored gain profile such that the quality of the output beam is enhanced.
摘要翻译：提供具有定制增益分布的激光棒，使得输出光束的质量得到增强。激光棒具有在杆的中心处相对高的活性取代离子的浓度并且减小到棒的表面。激光棒还具有在杆的表面处相对较高的预激活激光离子的浓度并且降低到棒的中心。公开了用于使用替代掺杂离子在激光棒的近表面区域中产生无活性激光物质层的方法，并且用于产生具有定制的增益分布的激光棒，使得输出光束的质量得到增强。

4. 发明授权

US07254152B2 Optically pumped active mirror with improved performance and reduced parasitics 失效
标题翻译：光学泵浦主动镜具有改进的性能和减少的寄生效应
公开(公告)号：US07254152B2
公开(公告)日：2007-08-07
申请号：US10774002
申请日：2004-02-06
申请人： David S. Sumida , David M. Pepper
发明人： David S. Sumida , David M. Pepper
IPC分类号： H01S3/14 , H01S5/00
CPC分类号： H01S3/2383 , H01S3/005 , H01S3/0407 , H01S3/042 , H01S3/0604 , H01S3/0612 , H01S3/0627 , H01S3/08059 , H01S3/091 , H01S3/1611 , H01S3/1643 , H01S3/2316 , H01S2301/02
摘要： A system and a method for providing more gain while minimizing the potential for parasitic oscillation and amplified spontaneous emissions in an optically pumped optical amplifier or laser system, utilizing a partitioned monolithic gain element. The monolithic gain element being partitioned into discontinuous amplifying gain regions such that parasitic modes and amplified spontaneous emissions are substantially obviated.
摘要翻译：一种利用分隔的单片增益元件在光泵浦光放大器或激光系统中最小化寄生振荡和放大的自发辐射的潜力的同时提供更多增益的系统和方法。单片增益元件被划分为不连续的放大增益区域，使得寄生模式和放大的自发发射基本上被消除。

5. 发明授权

US07217585B1 Method for fabricating and using a light waveguide 有权
标题翻译：制造和使用光波导的方法
公开(公告)号：US07217585B1
公开(公告)日：2007-05-15
申请号：US11395702
申请日：2006-03-31
申请人： David S. Sumida , Authi A. Narayanan , Hans W. Bruesselbach
发明人： David S. Sumida , Authi A. Narayanan , Hans W. Bruesselbach
IPC分类号： H01L21/20
CPC分类号： G02B6/1342
摘要： A waveguide is fabricated by first preparing two waveguide precursor pieces. Each waveguide precursor piece includes a single-crystal substrate, and an epitaxial coating layer of an oxide coating material on the substrate. The oxide substrate material preferably comprises yttrium as a substrate-material cation, and the oxide coating material preferably comprises a coating-material cation selected from the group consisting of ytterbium, thulium, erbium, and holmium. The two substrates are placed together with the coating layers in contact to form a precursor structure. The precursor structure is heated to an elevated diffusion temperature so that the coating layers bond together and the coating materials and the respective substrate materials interdiffuse to form the waveguide having an interdiffused region. A laser beam may be directed through the interdiffused region, while the interdiffused region is optionally optically pumped through one or both of the substrates.
摘要翻译：通过首先制备两个波导前体件来制造波导。每个波导前体件包括单晶衬底和在衬底上的氧化物涂层材料的外延涂层。氧化物基材优选包含作为基材材料阳离子的钇，氧化物涂层材料优选包含选自镱，ium，铒和钬的涂料阳离子。将两个基板与涂层接触放置在一起以形成前体结构。将前体结构加热到升高的扩散温度，使得涂层结合在一起，并且涂层材料和相应的衬底材料相互扩散以形成具有相互扩散区域的波导。激光束可以被引导穿过相互扩散的区域，而相互扩散的区域可选地被光泵浦通过一个或两个基底。

6. 发明授权

US07089796B2 Time-reversed photoacoustic system and uses thereof 失效
标题翻译：时间反转光声系统及其用途
公开(公告)号：US07089796B2
公开(公告)日：2006-08-15
申请号：US10809237
申请日：2004-03-24
申请人： David M. Pepper , Gilmore J. Dunning , David S. Sumida
发明人： David M. Pepper , Gilmore J. Dunning , David S. Sumida
IPC分类号： G01N29/06 , G01N29/24
CPC分类号： G01H9/00
摘要： A remote mass is excited with one or more beams, and the surface vibrations of the excited mass are detected with one or more laser vibrometers. Each vibrometer generates a signal indicative of the surface vibrations which is stored, reversed in time, and applied to modulate an exciter beam that is then impinged onto the mass.
摘要翻译：用一个或多个梁激发远程质量块，并用一个或多个激光振动计检测激发体的表面振动。每个振动计产生指示表面振动的信号，其被存储，及时反转，并且用于调制激发器束，该激发器束然后撞击到质量块上。

7. 发明授权

US06973830B2 Time-reversed photoacoustic system and uses thereof 失效
标题翻译：时间反转光声系统及其用途
公开(公告)号：US06973830B2
公开(公告)日：2005-12-13
申请号：US10966698
申请日：2004-10-14
申请人： David M. Pepper , Gilmore J. Dunning , David S. Sumida
发明人： David M. Pepper , Gilmore J. Dunning , David S. Sumida
IPC分类号： G01H9/00 , G01N29/06 , G01N29/22 , G01N29/24
CPC分类号： G01H9/00
摘要： A remote mass is excited by a plurality of beams generated sequentially by each one of a plurality of time reversal mirrors, and the surface vibrations of the excited mass are detected by a laser vibrometer in each of the time reversal mirrors. Each vibrometer generates a signal indicative of the surface vibrations which is stored, reversed in time, and applied to modulate the exciter beam impinged onto the mass by the respective time reversal mirror.
摘要翻译：远程质量由多个时间反转镜中的每一个依次产生的多个光束激发，激发质量的表面振动通过每个时间反转镜中的激光振动计检测。每个振动计产生指示表面振动的信号，其被存储，在时间上相反，并被施加以调制由相应的时间反转镜照射到质量块上的激发器束。

8. 发明授权

US06809991B1 Method and apparatus for detecting hidden features disposed in an opaque environment 失效
标题翻译：用于检测设置在不透明环境中的隐藏特征的方法和装置
公开(公告)号：US06809991B1
公开(公告)日：2004-10-26
申请号：US10348650
申请日：2003-01-21
申请人： David M. Pepper , Gilmore J. Dunning , David S. Sumida
发明人： David M. Pepper , Gilmore J. Dunning , David S. Sumida
IPC分类号： G01H900
CPC分类号： G01H9/00
摘要： An excitation signal is selected and transmitted, and a signal is received containing information produced by a remote object in response to the excitation signal. The information is evaluated to attempt to identify the object, the excitation signal is adjusted on the basis of the evaluation, the adjusted excitation signal is transmitted, and a resulting signal is received and evaluated. A variation involves transmitting an excitation signal, transmitting an optical probe signal, receiving an optical signal which is a reflection of the probe signal and which contains information produced by a remote object in response to the excitation signal, and evaluating the information for the purpose of identifying the object.
摘要翻译：选择并发送激励信号，并且响应于激励信号接收包含由远程对象产生的信息的信号。评估信息以尝试识别对象，在评估的基础上调整激励信号，发送调整的激励信号，并且接收和评估所得到的信号。变化涉及发送激励信号，发送光探测信号，接收作为探测信号的反射的光信号，并且响应于激励信号包含由远程对象产生的信息，并且为了目的而评估信息识别对象。

9. 发明授权

US06330256B1 Method and apparatus for non-dispersive face-cooling of multi-crystal nonlinear optical devices 有权
标题翻译：多晶非线性光学器件非分散面冷却方法和装置
公开(公告)号：US06330256B1
公开(公告)日：2001-12-11
申请号：US09495493
申请日：2000-02-01
申请人： Robert W. Byren , David S. Sumida
发明人： Robert W. Byren , David S. Sumida
IPC分类号： H01S310
CPC分类号： G02F1/37 , G02F1/3501 , G02F2001/3505 , G02F2001/3507
摘要： A face-cooling scheme is used with multiple nonlinear crystal formats used primarily for second harmonic generation without the need for air-path rephasing between the crystals. Birefringent crystals, e.g., MgF2, are cut and oriented such that there is no dispersion between the fundamental and second harmonic wavelengths within each crystal. The crystals are then disposed in a heat-conducting housing sandwiched by two or more nonlinear crystals and used as the face-cooling medium, thereby causing the heat generated in the nonlinear crystals by absorption at the fundamental and second harmonic wavelengths to flow longitudinally (direction of beam propagation) into the face-cooling medium. This minimizes any transverse thermal gradient in the nonlinear crystals and the attendant dephasing loss. The crystals can be dry stacked with a very small gas-filled gap, immersed in a liquid or gel, bonded with optical cement, optically contacted, or diffusion-bonded together to form a composite crystal. Heat generated in the nonlinear optical elements is passively conducted to the birefringent crystals in a direction parallel to the direction of laser energy propagation and then to the housing.
摘要翻译：面向冷却方案被用于主要用于二次谐波生成的多种非线性晶体格式，而不需要晶体之间的空气路径重新定相。剪切并定向双折射晶体，例如MgF 2，使得在每个晶体内的基波和二次谐波波长之间不存在色散。然后将晶体设置在由两个或更多个非线性晶体夹持的导热壳体中，并用作面冷却介质，从而通过基波和二次谐波波长处的吸收在非线性晶体中产生的热量沿纵向（方向的光束传播）到面冷却介质中。这使得非线性晶体中的任何横向热梯度和伴随的去相位损耗最小化。晶体可以干燥堆叠，具有非常小的充气间隙，浸入液体或凝胶中，与光学粘合剂粘合，光学接触或扩散粘合在一起形成复合晶体。在非线性光学元件中产生的热量在与激光能量传播方向平行的方向上被动地传导到双折射晶体，然后传递到壳体。

10. 发明授权

US5652756A Glass fiber laser system using U-doped crystal Q-switch 失效
标题翻译：玻璃光纤激光系统采用U型掺晶晶Q开关
公开(公告)号：US5652756A
公开(公告)日：1997-07-29
申请号：US589807
申请日：1996-01-22
申请人： Robert D. Stultz , Hans W. Bruesselbach , David S. Sumida , Milton Birnbaum , Marly B. Camargo
发明人： Robert D. Stultz , Hans W. Bruesselbach , David S. Sumida , Milton Birnbaum , Marly B. Camargo
IPC分类号： H01S3/067 , H01S3/0941 , H01S3/113 , H01S3/16 , H01S3/17 , H01S3/11
CPC分类号： H01S3/113 , H01S3/067 , H01S3/0941 , H01S3/09415 , H01S3/1608 , H01S3/1643 , H01S3/1698 , H01S3/175
摘要： A glass fiber laser system includes a laser resonator cavity having a resonant path and an erbium-doped glass fiber lasing element with an output of from about 1.5 to about 1.6 micrometers within the laser resonator cavity. A light source directed into an input end of the glass fiber lasing element optically pumps the lasing element to emit light. A passive Q-switch lies along the resonant path within the laser resonator cavity. The Q-switch is formed of a host material having a concentration of uranium ions therein, so as to be a saturable absorber of the light emitted by the lasing element. The Q-switch is preferably a uranium-doped fluoride crystal such as U:CaF.sub.2, U:SrF.sub.2, or U:BaF.sub.2.
摘要翻译：玻璃纤维激光系统包括具有谐振路径的激光谐振腔和在激光谐振腔内具有约1.5至约1.6微米输出的掺铒玻璃纤维激光元件。引导到玻璃纤维激光元件的输入端的光源将激光元件光泵浦发光。无源Q开关位于激光谐振腔内的谐振路径上。 Q开关由其中具有铀离子浓度的主体材料形成，以便是由激光元件发射的光的可饱和吸收体。 Q开关优选为铀掺杂氟化物晶体，例如U：CaF 2，U：SrF 2，或U：BaF 2。

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