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1. 发明申请

US20150043054A1 ADAPTIVE OPTICS FOR COMBINED PULSE FRONT END PHASE FRONT CONTROL 审中-公开
标题翻译：用于组合脉冲前置相位前置控制的自适应光学
公开(公告)号：US20150043054A1
公开(公告)日：2015-02-12
申请号：US14386396
申请日：2013-03-19
申请人： ISIS INNOVATION LTD
发明人： Martin Booth , Patrick Salter , Richard Simmonds
IPC分类号： H01S3/00 , G02F1/01 , G02B26/06 , G02B27/09
CPC分类号： H01S3/0057 , G01J11/00 , G02B13/22 , G02B26/007 , G02B26/02 , G02B26/06 , G02B26/0816 , G02B26/0825 , G02B26/0833 , G02B26/0841 , G02B27/0068 , G02B27/09 , G02F1/01 , H01S3/10053
摘要： In a method and system for controlling the shape of an optical pulse, the two-dimensional shape of the phase front is controlled using a first control device and the shape of the phase front and the two-dimensional shape of the pulse front is controlled using a second control device. The combined effect on the phase front results in a desired overall phase front control and the second device provides the desired overall pulse front control. This enables the phase front control and pulse front control to be decoupled. Correcting for pulse lengthening of femtosecond laser pulses during focusing by a dispersive lens. The spatially varying phase (72) introduced by the lens can be corrected for by a spatial light modulator like (SLM) a liquid crystal modulator. The spatially varying arrival time at the focus (70) can be compensated for by a deformable mirror (DM). A controller with a feedback loop and pulse characterization in the focus can compensate for the errors introduced by any dispersive focusing means.
摘要翻译：在用于控制光脉冲形状的方法和系统中，使用第一控制装置控制相位前端的二维形状，并且使用相位前沿的形状和脉冲前沿的二维形状来控制第二控制装置。对相位前沿的组合效应导致期望的整体相位前沿控制，并且第二装置提供期望的总体脉冲前沿控制。这使得相位前沿控制和脉冲前沿控制能够解耦。通过色散透镜校正飞秒激光脉冲的脉冲延长。由透镜引入的空间变化相（72）可以通过液晶调制器（SLM）等空间光调制器进行校正。在焦点（70）处的空间变化的到达时间可以由可变形反射镜（DM）补偿。在焦点中具有反馈回路和脉冲表征的控制器可以补偿由任何色散聚焦装置引入的误差。

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