Method for the production of ultrashort and ultrahigh peak power laser pulses and system for putting into practice this method
    2.
    发明公开
    Method for the production of ultrashort and ultrahigh peak power laser pulses and system for putting into practice this method 审中-公开
    一种用于生产具有超短和超高的峰值功率和系统的激光脉冲的方法用于实现该方法

    公开(公告)号:EP2551971A1

    公开(公告)日:2013-01-30

    申请号:EP11290340.6

    申请日:2011-07-27

    摘要: The invention concerns a method for producing ultrashort and ultrahigh peak power laser pulses and a system for putting into practice this method.
    The production of ultrashort and ultrahigh peak power laser pulses is implemented by amplifying and compressing relatively long and low energy laser pulses to such ultra short and ultrahigh peak power pulses, and the use of the plasma compression technique for producing ultrashort and ultrahigh peak power pulses having a duration in the range of 20 femtoseconds (fs) or less and an energy of at least 10 Kilojoule (kJ), wherein a pump pulse (PP) in the order of picoseconds (ps) and a seed pulse (SS) are applied to the plasma cell (PLC), which are synchronized with one another and adapted to the plasma cell.

    摘要翻译: 本发明涉及用于生产超短和超高峰值功率激光脉冲的方法和付诸实践此方法的系统。 生产超短和超高峰值功率激光脉冲的通过放大和压缩相对长且低能量的激光脉冲来寻求超短和超高峰值功率的脉冲实现的,以及使用该等离子体的压缩技术的用于生产具有超短和超高峰值功率的脉冲 在20飞秒(fs)的或更小的范围内,在至少10千焦(千焦),在皮秒(ps)和种子脉冲(SS)的顺序worin泵浦脉冲(PP)的能量的持续时间被施加到 它们与彼此和angepasst到等离子体单元同步的浆细胞(PLC)。

    OPTICAL WAVE GENERATOR
    4.
    发明公开
    OPTICAL WAVE GENERATOR 审中-公开
    光学波发生器

    公开(公告)号:EP2052444A1

    公开(公告)日:2009-04-29

    申请号:EP07766417.5

    申请日:2007-08-02

    IPC分类号: H01S3/30

    摘要: An optical wave generator comprising a first-level Raman sideband generator (RSBG). The first-level RSBG comprises a first hollow-core photonic crystal fibre HCPCF (203) arranged to be filled with a Raman active gas and a first two-pump continuous wave (CW) laser source (200) having a first pump laser beam (201) at a first frequency and a second pump laser beam (202) at a second frequency, the laser source being arranged to excite the first HCPCF to generate a Raman sideband spectrum comprising a first plurality of spectral components.

    Relay telescope, laser amplifier, and laser peening method and system using same
    6.
    发明公开
    Relay telescope, laser amplifier, and laser peening method and system using same 有权
    Relais望远镜,Laserverstärker,und Laserschockbestrahlungsverfahren und dessen Vorrichtung

    公开(公告)号:EP1528645A3

    公开(公告)日:2006-05-03

    申请号:EP04256712.3

    申请日:2004-10-29

    摘要: A laser system includes an optical path having an intracavity relay telescope with a telescope focal point for imaging an output of the gain medium between an image location at or near the gain medium and an image location at or near an output coupler for the laser system. A kinematic mount is provided within a vacuum chamber, and adapted to secure beam baffles near the telescope focal point. An access port on the vacuum chamber is adapted for allowing insertion and removal of the beam baffles. A first baffle formed using an alignment pinhole aperture is used during alignment of the laser system. A second tapered baffle replaces the alignment aperture during operation and acts as a far-field baffle in which off angle beams strike the baffle a grazing angle of incidence, reducing fluence levels at the impact areas.

    摘要翻译: 激光系统包括具有腔内中继望远镜的光路,其具有望远镜焦点,用于在增益介质附近或附近的图像位置与激光系统的输出耦合器处或附近的图像位置成像增益介质的输出。 运动支架设置在真空室内,并适用于将望远镜焦点附近的光束挡板固定。 真空室上的进入口适于允许插入和移除光束挡板。 在激光系统对准期间使用使用对准针孔孔形成的第一挡板。 第二个锥形挡板在操作期间取代了对准孔,并且用作远场挡板,其中偏转角梁将挡板撞击入射角,从而降低冲击区域的注量水平。

    Raman laser
    7.
    发明公开
    Raman laser 失效
    拉曼激光。

    公开(公告)号:EP0524020A1

    公开(公告)日:1993-01-20

    申请号:EP92306595.7

    申请日:1992-07-17

    IPC分类号: H01S3/30

    CPC分类号: H01S3/305

    摘要: The present invention provides a Raman laser wherein hazardous radiation from a pump laser source 20 is focused by lens 25 via a cell 27 containing a Raman active medium before passing to a absorbing beam dump 30. Lasing action is maintained within the cell 27 by the action of mirrors 29 and 26 which are respectively totally and partially reflective to radiation generated at the Raman wavelength, and which are both transmissive to the pump beam. A Raman beam exits the cell via partially transmissive mirror 26 is refocused by lens 25 and passes through to the output of the device 31. This configuration provides a Raman laser where the "eyesafe" Raman beam is generated in a backwards direction relative to the pump beam, so that during normal operation, or in the event that the optics breakdown, or conversion does not take place within the cell, the output beam would not be contaminated by potentially harmful wavelengths at a hazardous level.

    摘要翻译: 本发明提供了一种拉曼激光器,其中来自泵浦激光源20的危险辐射在通过吸收光束转储器30之前经由包含拉曼活性介质的电池27由透镜25聚焦。激光作用通过动作保持在电池27内 反射镜29和26分别完全和部分地反射在拉曼波长处产生的辐射,并且它们都对泵浦光束是透射的。 拉曼光束通过部分透射反射镜26离开单元,被透镜25重新聚焦并通过到器件31的输出。这种配置提供了一种拉曼激光器,其中“眼睛”的拉曼光束相对于泵的向后方向产生 光束,使得在正常操作期间,或者在光学器件击穿或转换不在电池内发生的情况下,输出光束不会被危险水平的潜在有害波长污染。

    Source laser de puissance accordable
    8.
    发明公开
    Source laser de puissance accordable 失效
    Abstimmbare Hochleistungs-Laserquelle。

    公开(公告)号:EP0408406A1

    公开(公告)日:1991-01-16

    申请号:EP90401678.9

    申请日:1990-06-15

    申请人: THOMSON-CSF

    IPC分类号: H01S3/30 G02F1/39

    CPC分类号: H01S3/305 G02F1/39

    摘要: Source laser de puissance accordable comportant une source laser 1 émettant un faisceau de pompe vers une cellule RAMAN 2. Elle transmet, à un cristal non-linéaire (3), un faisceau à une longueur d'onde de Stokes.
    Selon l'angle de ce faisceau par rapport à l'axe optique du cristal (3), le cristal non linéaire transmet deux ondes de sortie (Fs, Fi) à des longueurs d'ondes différentes de la longueur d'onde de Stokes.
    APPLICATION : LASER DE PUISSANCE ACCORDABLE EN FREQUENCE

    摘要翻译: 可调谐功率激光源包括将激光源1发射到RAMAN电池2的激光源1.它向非线性晶体(3)传输具有斯托克斯波长的光束。 ...根据该光束相对于晶体(3)的光轴的角度,非线性晶体以与Stokes波长不同的波长透射两个输出波(Fs,Fi)。 ...应用:频率可调功率激光器。 ... ...

    BROMINE ANTI-STOKES RAMAN LASER
    10.
    发明公开
    BROMINE ANTI-STOKES RAMAN LASER 失效
    BROM ANTI-STOKES RAMANLASER。

    公开(公告)号:EP0148846A1

    公开(公告)日:1985-07-24

    申请号:EP84901694.0

    申请日:1984-04-09

    申请人: AT&T Corp.

    IPC分类号: H01S3

    CPC分类号: H01S3/305

    摘要: Un laser anti-Stokes Raman utilise un niveau métastable de brome. Un milieu de molécules contenant chacune au moins un atome de brome est utilisé (90). Des moyens (92) sont prévus pour dissocier l'atome de brome des molécules de sorte qu'une majorité d'atomes de brome dissociés prenne au moins un état métastable d'excitation. Des moyens (100) sont prévus pour illuminer les atomes de brome dans l'état métastable avec des photons de pompage de manière à produire des photons de sortie anti-Stokes Raman par transition de l'état métastable à un état final. Les photons de sortie ont une énergie égale à l'énergie des photons de pompage additionnée d'un gain d'énergie obtenu par la différence d'énergie entre l'état métastable et l'état final.