应用光学
應用光學
응용광학
JOURNAL OF APPLIED OPTICS
2014年
3期
525-530
,共6页
陈娟%杨鸿儒%俞兵%薛战理%吴宝宁%韩战锁
陳娟%楊鴻儒%俞兵%薛戰理%吳寶寧%韓戰鎖
진연%양홍유%유병%설전리%오보저%한전쇄
飞焦%校准%微弱信号检测%脉冲激光
飛焦%校準%微弱信號檢測%脈遲激光
비초%교준%미약신호검측%맥충격광
femto Joule%calibration%weak signal detection%pulse laser
为解决1fJ~1pJ脉冲激光能量的测量问题,提出了一种基于时域波形积分的飞焦级脉冲激光能量测量方法。该方法采用光电倍增管(PMT)获得飞焦级脉冲激光的响应信号,该微弱响应信号经放大、校准与激光脉冲时域波形积分后实现飞焦级脉冲激光能量测量。根据该方法设计了飞焦级脉冲激光能量测量装置,并分析了该装置的测量不确定度。实验表明,该装置实现了波长1064nm、脉冲宽度5ns~1μs、能量范围1fJ~1pJ的脉冲激光光源的能量测量,测量不确定度为15.8%。
為解決1fJ~1pJ脈遲激光能量的測量問題,提齣瞭一種基于時域波形積分的飛焦級脈遲激光能量測量方法。該方法採用光電倍增管(PMT)穫得飛焦級脈遲激光的響應信號,該微弱響應信號經放大、校準與激光脈遲時域波形積分後實現飛焦級脈遲激光能量測量。根據該方法設計瞭飛焦級脈遲激光能量測量裝置,併分析瞭該裝置的測量不確定度。實驗錶明,該裝置實現瞭波長1064nm、脈遲寬度5ns~1μs、能量範圍1fJ~1pJ的脈遲激光光源的能量測量,測量不確定度為15.8%。
위해결1fJ~1pJ맥충격광능량적측량문제,제출료일충기우시역파형적분적비초급맥충격광능량측량방법。해방법채용광전배증관(PMT)획득비초급맥충격광적향응신호,해미약향응신호경방대、교준여격광맥충시역파형적분후실현비초급맥충격광능량측량。근거해방법설계료비초급맥충격광능량측량장치,병분석료해장치적측량불학정도。실험표명,해장치실현료파장1064nm、맥충관도5ns~1μs、능량범위1fJ~1pJ적맥충격광광원적능량측량,측량불학정도위15.8%。
To solve the problem of 1 fJ~1 pJ laser energy measurement ,a femto-Joule level pulse laser energy measurement method based on integration of the time domain waveform was proposed ,w hich used a photomultiplier tube (PM T ) to get the response signal of femto-Joule level pulse laser .It realized femto-Joule level pulse laser energy measurement finally after am-plifying ,calibrating this weak response signal and the laser pulse time domain waveform inte-gration .According to this method ,a femto-Joule level pulse laser energy measurement device was designed and the measurement uncertainty of the device was analyzed .Experiments show that the device implements the energy measurement of pulsed laser source with 1 064 nm wave-length ,5 ns~1 μs pulse width and 1 fJ~1 pJ energy range ,the measurement uncertainty is 15 .8% .