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    • 3. 发明授权
    • Device for amplifying a laser with high energy and high beam quality
    • 用于放大具有高能量和高光束质量的激光器的装置
    • US08072677B2
    • 2011-12-06
    • US11718716
    • 2005-10-26
    • Franck FalcozVincent MoroEmmanuel Marquis
    • Franck FalcozVincent MoroEmmanuel Marquis
    • H01S3/00
    • H01S3/2308H01S3/025H01S3/0407H01S3/042H01S3/061H01S3/08072H01S3/094011H01S3/1625H01S3/1636
    • The field of the invention is that of high-energy laser beam amplifiers and associated optical pumping devices. The object of the invention is to use an amplifier configuration and a cooling means which do not have the drawbacks of cryogenic systems that have been used up until now and which however make it possible both to obtain an amplified laser beam of high quality and to minimize transverse lasing effects. A laser beam amplifying device according to the invention combines four main principles, which are use of a crystal exhibiting circular symmetry so as to distribute the mechanical stresses radially; cooling of the entire external surface by a cooling liquid, so as to avoid the use of cryogenic techniques; use of a matching liquid so as to avoid transverse lasing effects; and use of pump laser beams with uniform energy distribution.
    • 本发明的领域是高能激光束放大器和相关联的光泵装置的领域。 本发明的目的是使用放大器配置和冷却装置,其不具有直到现在已经使用的低温系统的缺点,并且然而使得可以获得高质量的放大激光束并且最小化 横向激光效应。 根据本发明的激光束放大装置组合了四个主要原理,即使用呈圆形对称性的晶体,以便径向分布机械应力; 通过冷却液体对整个外表面进行冷却,以避免使用低温技术; 使用匹配的液体,以避免横向激光效应; 并使用具有均匀能量分布的泵浦激光束。
    • 6. 发明授权
    • Amplifier chain for generating ultrashort different width light pulses
    • 用于产生超短距离不同宽度光脉冲的放大器链
    • US07729045B2
    • 2010-06-01
    • US11571551
    • 2005-07-01
    • Vincent MoroFranck Falcoz
    • Vincent MoroFranck Falcoz
    • H01S4/00H01S3/10
    • H01S3/0057G02B26/0808H01S3/2308
    • The present invention relates to an amplifier chain for generating ultrashort light pulses of different pulse durations and applies in particular to amplifier chains suitable for amplifying picosecond and femtosecond pulses. The amplifier chain comprising a stretcher with at least one entry dispersive element of the grating type and intended to temporally stretch an incident pulse, an amplifying medium designed to amplify said stretched pulse, a compressor with at least one entry dispersive element substantially identical to that of the stretcher, designed to temporally compress said amplified pulse. According to the invention, the stretcher and the compressor include means for moving the dispersive elements between first and second positions, in such a way that the angle of incidence in a first position is equal to the angle of diffraction in the second position, and vice versa, allowing two degrees of stretch of the chain to be defined, each adapted to the amplification of pulses of different durations.
    • 本发明涉及用于产生不同脉冲持续时间的超短光脉冲的放大器链,特别适用于适用于放大皮秒和飞秒脉冲的放大器链。 放大器链包括具有光栅类型的至少一个入口色散元件并且旨在时间拉伸入射脉冲的拉伸器,设计成放大所述拉伸脉冲的放大介质,具有至少一个入射色散元件的压缩器,其具有与 担架,设计用于暂时压缩所述放大的脉冲。 根据本发明,担架和压缩机包括用于在第一和第二位置之间移动分散元件的装置,使得第一位置的入射角等于第二位置的衍射角,并且副 反之亦然,允许定义链的两个拉伸度,每个适应于不同持续时间的脉冲的放大。
    • 10. 发明申请
    • Amplifier Chain for Generating Ultrashort Different Width Light Pulses
    • 用于产生超短脉冲宽度光脉冲的放大器链
    • US20080043789A1
    • 2008-02-21
    • US11571551
    • 2005-07-01
    • Vincent MoroFranck Falcoz
    • Vincent MoroFranck Falcoz
    • H01S3/00
    • H01S3/0057G02B26/0808H01S3/2308
    • The present invention relates to an amplifier chain for generating ultrashort light pulses of different pulse durations and applies in particular to amplifier chains suitable for amplifying picosecond and femtosecond pulses. The amplifier chain comprising a stretcher with at least one entry dispersive element of the grating type and intended to temporally stretch an incident pulse, an amplifying medium designed to amplify said stretched pulse, a compressor with at least one entry dispersive element substantially identical to that of the stretcher, designed to temporally compress said amplified pulse. According to the invention, the stretcher and the compressor include means for moving the dispersive elements between first and second positions, in such a way that the angle of incidence in a first position is equal to the angle of diffraction in the second position, and vice versa, allowing two degrees of stretch of the chain to be defined, each adapted to the amplification of pulses of different durations.
    • 本发明涉及用于产生不同脉冲持续时间的超短光脉冲的放大器链,特别适用于适用于放大皮秒和飞秒脉冲的放大器链。 放大器链包括具有光栅类型的至少一个入口色散元件并且旨在时间拉伸入射脉冲的拉伸器,设计成放大所述拉伸脉冲的放大介质,具有至少一个入射色散元件的压缩器,其具有与 担架,设计用于暂时压缩所述放大的脉冲。 根据本发明,担架和压缩机包括用于在第一和第二位置之间移动分散元件的装置,使得第一位置的入射角等于第二位置的衍射角,并且副 反之亦然,允许定义链的两个拉伸度,每个适应于不同持续时间的脉冲的放大。