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1. 发明申请

WO2014120292A1 NOISE DETECTION, DIAGNOSTICS, AND CONTROL OF MODE-LOCKED LASERS 审中-公开
标题翻译：噪声检测，诊断和模式锁定激光器的控制
公开(公告)号：WO2014120292A1
公开(公告)日：2014-08-07
申请号：PCT/US2013/065448
申请日：2013-10-17
申请人： IMRA AMERICA, INC.
发明人： HARTL, Ingmar , MOHR, Christian
IPC分类号： H01S3/10
CPC分类号： H01S3/1106 , H01S3/06754 , H01S3/1121 , H01S3/1305 , H01S3/1306 , H01S3/1312 , H01S3/136 , H01S5/065 , H01S5/0657 , H01S5/06817 , H01S5/06835 , H01S5/0687 , H01S2301/02
摘要： The present invention features a laser based system configured with a noise detection unit. The system includes a mode-locked oscillator. A noise detection unit includes at least one optical detector that monitors optical pulses generated by the mode-locked oscillator and produces an electrical signal in response to the optical pulses. The noise detection unit includes a first filter to transmit signal power over a signal bandwidth which includes the mode-locked laser repetition frequency, frep. The noise detection unit may include one or more filters to transmit power over a noise bandwidth that substantially excludes repetition frequency, frep. Non-linear signal processing equipment is utilized to generate one or more signals representative of the power in the signal bandwidth relative to the power in the noise bandwidth. The system includes a controller operable to generate a signal for controlling the laser based system based on the relative power.
摘要翻译：本发明的特征在于具有噪声检测单元的基于激光的系统。该系统包括锁模振荡器。噪声检测单元包括至少一个光检测器，其监测由锁模振荡器产生的光脉冲，并响应于光脉冲产生电信号。噪声检测单元包括用于在包括锁模激光重复频率frep的信号带宽上传输信号功率的第一滤波器。噪声检测单元可以包括一个或多个滤波器，以在基本上排除重复频率frep的噪声带宽上传输功率。利用非线性信号处理设备产生一个或多个表示信号带宽中功率相对于噪声带宽中功率的信号。该系统包括可操作以基于相对功率产生用于控制基于激光的系统的信号的控制器。

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