受動Qスイッチ型固体レーザ装置
    101.
    发明申请
    受動Qスイッチ型固体レーザ装置 审中-公开
    无源Q开关型固体激光器件

    公开(公告)号:WO2012160801A1

    公开(公告)日:2012-11-29

    申请号:PCT/JP2012/003313

    申请日:2012-05-21

    Abstract:  パルスエネルギが大でパルス時間幅が小の高ピークパワーパルスレーザを出力する受動Qスイッチ型固体レーザ装置を提供すること。 共振器を形成する二つの反射要素と、二つの反射要素間に配置された固体利得媒質と、二つの反射要素間に配置された可飽和吸収体と固体利得媒質を励起する励起手段と、固体利得媒質の誘導放出断面積及び可飽和吸収体の吸収断面積の少なくとも一方を他方に近づける断面積制御手段と、を有し、断面積制御手段は、固体利得媒質を所定の温度に保持する温度制御手段と発振波長を所定の波長に固定する発振波長制御手段の少なくとも一方或いは両方を備えることを特徴とする。

    Abstract translation: 提供了一种无源Q开关型固态激光器件,其输出具有高脉冲能量和短脉冲持续时间的高峰值功率脉冲激光器。 固态激光装置具有:构成谐振器的两个反射元件; 设置在所述两个反射元件之间的固态增益介质; 用于激励设置在两个反射元件之间的可饱和吸收体和固态增益介质的激励装置; 以及横截面积控制装置,其至少将固态增益介质的受激发射截面积或可饱和吸收体的吸收截面积近似为另一个。 固体激光装置的特征在于,截面积控制装置至少设置有将固态增益介质保持在预定温度的温度控制装置或将振荡波长固定在振荡波长的振荡波长控制装置 预定波长,或者固体激光装置具有这两种装置。

    ULTRAKURZPULS-MIKROCHIPLASER, HALBLEITERLASER, LASERSYSTEM UND PUMPVERFAHREN FÜR DÜNNE LASERMEDIEN
    102.
    发明申请
    ULTRAKURZPULS-MIKROCHIPLASER, HALBLEITERLASER, LASERSYSTEM UND PUMPVERFAHREN FÜR DÜNNE LASERMEDIEN 审中-公开
    超短脉冲MICROCHIP激光器,半导体激光器,激光系统及方法对薄泵浦激光器MEDIA

    公开(公告)号:WO2011147799A1

    公开(公告)日:2011-12-01

    申请号:PCT/EP2011/058401

    申请日:2011-05-24

    Applicant: KOPF, Daniel

    Inventor: KOPF, Daniel

    Abstract: Ein optisch gepumpter Ultrakurzpuls-Mikrochiplaser zur Erzeugung einer Laseremission (LE) mit Femto- oder Pikosekundenpulsen weist ein Substrat (2b), ein verstärkendes Lasermedium (1), ein für optische Pumpstrahlung (PS) zumindest teilweise durchlässigen ersten Resonatorspiegel (3b) und insbesondere eine sättigbare Absorberstruktur (5) auf. Das Lasermedium (1) wird auf den Resonatorspiegel (3b) und das Substrat (2b) aufgebracht und nachfolgend in von der ursprünglichen Materialstärke auf eine Dicke von weniger als 200 μm reduziert. Um eine trotz dieser geringen Dicke befriedigende Leistungsaufnahme zu erreichen, wird die optische Pumpstrahlung (PS) so in das Lasermedium (1) eingekoppelt, dass Resonanz für die Laseremission (LE) und Intensitätsüberhöhung für die Pumpstrahlung (PS) auftreten.

    Abstract translation: 光学泵浦超快微片型激光器用于与飞秒或皮秒脉冲,衬底(2b)中,放大激光介质(1),一个光泵浦辐射(PS)是至少部分透射的第一谐振器反射镜产生的激光发射(LE)(3b)和特别是 可饱和吸收体结构(5)。 激光介质(1)被施加到谐振器镜(3b)和所述基板(2b)和随后在原始材料厚度减小到厚度小于200微米。 为了在尽管有这种较小的厚度令人满意的功率来实现,所述光泵浦辐射(PS)到激光介质(1)被连接到共振激光发射(LE)和强度超高用于泵浦辐射(PS)发生。

    EFFICIENT AND COMPACT VISIBLE MICROCHIP LASER SOURCE WITH PERIODICALLY POLED NONLINEAR MATERIALS
    103.
    发明申请
    EFFICIENT AND COMPACT VISIBLE MICROCHIP LASER SOURCE WITH PERIODICALLY POLED NONLINEAR MATERIALS 审中-公开
    具有周期性非线性材料的有效和紧凑的可见微激光激光源

    公开(公告)号:WO2011028207A1

    公开(公告)日:2011-03-10

    申请号:PCT/US2009/056014

    申请日:2009-09-04

    Abstract: A compact, optically-pumped solid-state microchip laser device uses efficient nonlinear intracavity frequency conversion for obtaining low-cost green and blue laser sources. The laser includes a solid-state gain medium, such as Nd:YVO4> and a nonlinear crystal. The nonlinear crystal is formed of periodically poled lithium niobate or periodically poled lithium tantalate, and the crystal is either MgO-doped, ZnO-doped, or stoichiometric to ensure high reliability. The nonlinear crystal provides efficient frequency doubling to translate energy from an infrared pump laser beam into the visible wavelength range. The laser device is assembled in a package having an output aperture for the output beam and being integrated with an optical bench accommodating a laser assembly. The package encloses and provides heat sinking for the semiconductor diode pump laser, the microchip laser cavity assembly, the optical bench platform, and electrical leads.

    Abstract translation: 紧凑的,光泵浦的固态微芯片激光器件使用有效的非线性腔内频率转换来获得低成本的绿色和蓝色激光源。 激光器包括固态增益介质,例如Nd:YVO4>和非线性晶体。 非线性晶体由周期性极化的铌酸锂或周期性极化的钽酸锂形成,并且该晶体是MgO掺杂的,ZnO掺杂的或化学计量的,以确保高可靠性。 非线性晶体提供有效的倍频以将来自红外泵浦激光束的能量转换到可见波长范围。 激光装置组装在具有用于输出光束的输出孔的封装中,并且与容纳激光组件的光学台一体化。 封装封装并为半导体二极管泵浦激光器,微芯片激光器腔组件,光学平台和电引线提供散热。

    A SECONDARY LASER SOURCE AND A LASER DEVICE
    104.
    发明申请
    A SECONDARY LASER SOURCE AND A LASER DEVICE 审中-公开
    第二激光源和激光器件

    公开(公告)号:WO2010058315A1

    公开(公告)日:2010-05-27

    申请号:PCT/IB2009/054933

    申请日:2009-11-06

    Abstract: The secondary laser source of the invention comprises: at least a laser crystal (307), predisposed to receive in input a laser radiation and to emit in output a laser radiation having determined characteristics; an output optical unit (305), predisposed to receive the laser radiation emitted by the laser crystal (307) and to transmit to outside at least a laser radiation which exhibits a same wavelength as the laser radiation emitted by the laser crystal (307); a support (315) predisposed for supporting the laser crystal (307), which support (315) is made of a highly heat-conducting material; at least an active cooling element, located in contact with the support (315); a heat exchanger (318), struck by a cooling fluid, which is located in contact with the active cooling element (317). The invention also concerns a laser device comprising the secondary laser source.

    Abstract translation: 本发明的次级激光源包括:至少一个激光晶体(307),其倾向于在输入端接收激光辐射并且在输出中发射具有确定特性的激光辐射; 输出光学单元(305),其倾向于接收由激光晶体(307)发射的激光辐射,并且至少向与激光晶体(307)发射的激光辐射相同的波长的激光辐射传输至外部; 倾斜用于支撑激光晶体(307)的支撑件(315),所述支撑件(315)由高导热材料制成; 至少一个与所述支撑件(315)接触的主动冷却元件; 位于与主动冷却元件(317)接触的由冷却流体撞击的热交换器(318)。 本发明还涉及包括次级激光源的激光装置。

    SOLID-STATE LASER WITH SPATIALLY-TAILORED ACTIVE ION CONCENTRATION USING VALENCE CONVERSION WITH SURFACE MASKING AND METHOD
    105.
    发明申请
    SOLID-STATE LASER WITH SPATIALLY-TAILORED ACTIVE ION CONCENTRATION USING VALENCE CONVERSION WITH SURFACE MASKING AND METHOD 审中-公开
    具有空间调节活性离子浓度的固体激光器,采用带有表面掩蔽和方法的有效转换

    公开(公告)号:WO2007120432A3

    公开(公告)日:2008-03-13

    申请号:PCT/US2007007141

    申请日:2007-03-22

    Applicant: RAYTHEON CO

    CPC classification number: H01S3/0612 H01S3/061 H01S3/1618 H01S3/1643

    Abstract: A material having a surface and a dopant in the material distributed whereby the material has a spatially variant optical flux density profile. In accordance with the invention, tailored non-uniform gain profiles within a Yb:YAG laser component (rod, slab, disc, etc.) are achieved by a spatial material modification in the spatially masked pre-forms. High temperature-assisted reduction leads to the coordinate-dependent gain profiles, which are controlled by the topology of the deposited solid masks. The gain profiles are obtained by reducing the charge state of the laser-active trivalent Yb3+ ions into inactive divalent Yb2+ ions. This valence conversion process is driven by mass transport of ions and oxygen vacancies. These processes, in turn, affect the dopant distribution throughout the surface and bulk laser crystal. By reducing proportionally more Yb3+ ions at the unmasked areas of component, than in the masked areas, the coordinate-dependent or spatially-controlled gain profiles are achieved. Preferred masking materials are high temperature ceramic glazes and glasses. The masking includes the fabrication of frit, mixing this frit with de-ionized water to form slurry, deposition of the slurry on the surface of laser component or pre-form, and a heat treatment (firing) of the deposited layer. The invention can be used for the fabrication of laser rods, slabs, etc. with various concentrations and spatial localizations of dopants.

    Abstract translation: 在材料中具有表面和掺杂剂的材料被分配,由此材料具有空间上不同的光通量密度分布。 根据本发明,Yb:YAG激光器部件(棒,板,盘等)中的定制的不均匀增益分布通过在空间掩蔽的预成型件中的空间材料修改来实现。 高温辅助还原导致坐标依赖增益曲线,其由沉积的固体掩模的拓扑结构来控制。 通过将激光活性三价Yb3 +离子的电荷状态降低成无活性的二价Yb2 +离子获得增益曲线。 该价电子转化过程由离子和氧空位的质量传递驱动。 这些过程又影响整个表面和体激光晶体的掺杂剂分布。 通过在组件的未屏蔽区域上比在掩蔽区域中成比例地减少更多的Yb3 +离子,实现了坐标依赖或空间控制的增益曲线。 优选的掩蔽材料是高温陶瓷釉料和玻璃。 掩模包括制造玻璃料,将该玻璃料与去离子水混合以形成浆料,将浆料沉积在激光部件的表面上或预成型,以及沉积层的热处理(烧制)。 本发明可用于制造具有各种浓度和掺杂剂的空间定位的激光棒,板坯等。

    HIGH ENERGY SOLID-STATE LASER WITH OFFSET PUMP AND EXTRACTION GEOMETRY
    106.
    发明申请
    HIGH ENERGY SOLID-STATE LASER WITH OFFSET PUMP AND EXTRACTION GEOMETRY 审中-公开
    具有偏压泵和提取几何的高能固体激光器

    公开(公告)号:WO2007084111A2

    公开(公告)日:2007-07-26

    申请号:PCT/US2005/047620

    申请日:2005-12-20

    Abstract: A laser system and method. The inventive laser includes an annular gain medium; a source of pump energy; and an arrangement for concentrating energy from the source on the gain medium. In a more specific implementation, a mechanism is included for rotating the gain medium to effect extraction of pump energy and cooling. In the illustrative embodiment, the pump source is a diode array. Energy from the array is coupled to the medium via an array of optical fibers. The outputs of the fibers are input to a concentrator that directs the pump energy onto a pump region of the medium. In the best mode, plural disks of gain media are arranged in an offset manner to provide a single resonator architecture. First and second mirrors are added to complete the resonator, hi accordance with the inventive teachings, a method for pumping and cooling a laser is taught. In the illustrative embodiment, the inventive method includes the steps of providing a gain medium; pumping energy into a region of the gain medium; moving the medium; extracting energy from the region of the medium; and cooling region of the medium.

    Abstract translation: 激光系统和方法。 本发明的激光器包括环形增益介质; 泵浦能源; 以及用于将来自源的能量集中在增益介质上的布置。 在更具体的实施方案中,包括用于旋转增益介质以实现泵能量和冷却的提取的机构。 在说明性实施例中,泵浦源是二极管阵列。 来自阵列的能量经由光纤阵列耦合到介质。 纤维的输出被输入到将泵能量引导到介质的泵区域上的浓缩器。 在最佳模式中,以偏移方式布置增益介质的多个磁盘以提供单个谐振器结构。 添加第一和第二反射镜以完成谐振器。根据本发明的教导,教导了用于泵送和冷却激光器的方法。 在说明性实施例中,本发明的方法包括提供增益介质的步骤; 将能量泵送到增益介质的区域中; 移动媒体; 从介质区域提取能量; 和介质的冷却区域。

    HIGH POWER, END PUMPED LASER WITH OFF-PEAK PUMPING
    107.
    发明申请
    HIGH POWER, END PUMPED LASER WITH OFF-PEAK PUMPING 审中-公开
    高功率,终端泵浦激光器,带有非抽头泵浦

    公开(公告)号:WO2007051138A2

    公开(公告)日:2007-05-03

    申请号:PCT/US2006060259

    申请日:2006-10-26

    Inventor: MITCHELL GERALD

    Abstract: A laser configuration producing up to 100's of Watts of output is provided, based on a solid-state gain medium, a source of pump energy which is detuned from the maximum absorption wavelength for the gain medium, and optics arranged to deliver the pump energy through an end of the gain medium to propagate along the length of the gain medium. The length of the gain medium and the doping concentration in the gain medium are sufficient the absorption length is on the order of lO's of millimeters, and more than 1/3 of the length, and that 90 percent or more of the pump energy is absorbed within two or fewer passes of the gain medium. A pump energy source that supplies 100 Watts to 1000 Watts or more.

    Abstract translation: 基于固态增益介质提供高达100的输出功率的激光器配置,泵浦能量源与用于增益介质的最大吸收波长失谐的泵浦能量源,以及布置成将泵浦能量通过 增益介质的末端沿着增益介质的长度传播。 增益介质的长度和增益介质中的掺杂浓度是足够的,吸收长度大约为10毫米数量级,超过长度的1/3,并且90%或更多的泵浦能量被吸收 在增益介质的两次或更少次通过之内。 提供100瓦至1000瓦或更高的泵浦能源。

    LASER AMPLIFIERS WITH HIGH GAIN AND SMALL THERMAL ABERRATIONS
    110.
    发明申请
    LASER AMPLIFIERS WITH HIGH GAIN AND SMALL THERMAL ABERRATIONS 审中-公开
    具有高增益和小热辐射的激光放大器

    公开(公告)号:WO2006072182A1

    公开(公告)日:2006-07-13

    申请号:PCT/CA2006/000019

    申请日:2006-01-10

    Abstract: The present invention discloses a laser amplifier with high gain and low thermally induced optical aberrations. The amplifier designs allow simple multipass configurations making it possible to obtain an amplified laser beam of high quality combined very high overall gains comparable to those achievable with expensive regenerative amplifiers. The amplifier includes a thin active laser solid to create the population inversion and associated heat generation within the thin laser active solid possible for the desired gain value. The system includes a cooling device in thermal contact with the thin active laser solid to provide good heat transport and high reflectivity coatings at the wavelengths of the pump and laser wavelengths. The pump light source are laser diodes tuned to the maximum absorption of the laser active material. The amplifier also includes an optical system to transport the pump light to the laser active solid in such a way as to further confine the absorption of light along the two orthogonal directions in the plane of the laser active solid in order to get high population inversion and consequently high gains possible.

    Abstract translation: 本发明公开了一种具有高增益和低热诱导光学像差的激光放大器。 放大器设计允许简单的多通道配置,使得可以获得高质量的放大激光束,结合了非常高的总体增益,与用昂贵的再生放大器实现的相当。 该放大器包括薄的有源激光器固体,以产生可用于所需增益值的薄激光器活性固体内的群体反演和相关的热量生成。 该系统包括与薄活性激光器固体热接触的冷却装置,以在泵和激光波长的波长处提供良好的热传递和高反射率涂层。 泵浦光源是被调整为激光活性材料的最大吸收的激光二极管。 该放大器还包括一个光学系统,以将泵浦光输送到激光活性固体,以进一步限制沿着激光活性固体平面中的两个正交方向的光的吸收,以获得高的群体反转, 因此可能获得高收益。

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