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    OPTICAL AMPLIFIER WITH DIFFUSION BONDED GAIN MEDIUM
    2.
    发明公开
    OPTICAL AMPLIFIER WITH DIFFUSION BONDED GAIN MEDIUM 审中-公开
    增益介质DIFFUSIONSVERBUNDENEM光放大器

    公开(公告)号：EP2950404A3

    公开(公告)日：2016-01-20

    申请号：EP15162275.0

    申请日：2015-04-01

    申请人： Lee Laser, Inc.

    发明人： Bishop, Donald ,  Kimberlin, Dwight

    IPC分类号： H01S3/23 ,  H01S3/06 ,  H01S3/0941

    CPC分类号： H01S3/2333 ,  H01S3/005 ,  H01S3/0064 ,  H01S3/025 ,  H01S3/061 ,  H01S3/0612 ,  H01S3/0615 ,  H01S3/0617 ,  H01S3/0621 ,  H01S3/0623 ,  H01S3/0941 ,  H01S3/09415 ,  H01S3/1611 ,  H01S3/1673 ,  H01S3/2341

    摘要： A first amplification structure uses a single pass external diffusion amplifier wherein the picosecond beam cross-sectional area is matched to the cross-sectional area of the gain medium. A half waveplate between the gain medium and the incoming beam optimizes the polarization of the beam diameter to the polarization of the gain medium. A second amplification structure uses a double pass external diffusion amplifier wherein the beam cross-sectional area is matched to the cross-sectional area of the gain medium and passed twice therethrough. A half waveplate and a rotator create a right circular polarized beam through the gain medium and a maximum "R" coated reflector resides beyond the external diffusion amplifier and reflects a left circular polarized beam back through the gain medium, the rotator and the half waveplate where it becomes horizontally polarized and is then transmitted out of the amplification structure by the polarization sensitive beam splitter.

    LASER DEVICE
    3.
    发明公开
    LASER DEVICE 审中-公开
    激光装置

    公开(公告)号：EP2830168A1

    公开(公告)日：2015-01-28

    申请号：EP12872044.8

    申请日：2012-03-19

    申请人： Mitsubishi Electric Corporation

    发明人： KURAMOTO, Kyosuke ,  YANAGISAWA, Takayuki ,  HIRANO, Yoshihito

    IPC分类号： H01S3/108 ,  G02F1/377

    CPC分类号： H01S5/041 ,  G02F1/377 ,  G02F2001/3509 ,  H01S3/0401 ,  H01S3/0405 ,  H01S3/0612 ,  H01S3/0615 ,  H01S3/0621 ,  H01S3/0625 ,  H01S3/0627 ,  H01S3/09415 ,  H01S3/109 ,  H01S3/1611 ,  H01S3/1673 ,  H01S2301/02

    摘要： An end surface 3b of a solid-state laser element 3 is sloped in such a way that, in a case in which it is assumed that laser light is incident upon air from the end surface 3b, an angle of incidence which a normal to an end face on a side of the solid-state laser element 3 in a plane of the incidence forms with a traveling direction of the laser light substantially matches the Brewster angle at the incidence plane, an end surface 4a of a wavelength conversion element 4 is sloped in such a way that, in a case in which it is assumed that the laser light is incident upon air from the end surface 4a, an angle of incidence which a normal to an end face on a side of the wavelength conversion element 4 in a plane of the incidence forms with a traveling direction of the laser light substantially matches the Brewster angle at the incidence plane, and the end surface 3b and the end surface 4b are arranged in such a way as to be opposite to each other.

    摘要翻译： 固体激光器元件3的端面3b以这样的方式倾斜，即，在假定激光从端面3b入射到空气上的情况下，与法线的法线 在入射面内的固体激光元件3侧的端面与激光的行进方向大致一致时，波长转换元件4的端面4a倾斜 使得在假设激光从端面4a入射到空气上的情况下，将波长转换元件4侧的端面的法线的入射角设为a 在激光的行进方向形成的入射面与入射面的布儒斯特角大致一致，端面3b和端面4b以相互相对的方式配置。