A second-order autocorrelator for single-shot measurement of femtosecond laser pulse durations

被引:0
|
作者
Raghuramaiah, M. [1 ]
Sharma, A.K. [1 ]
Naik, P.A. [1 ]
Gupta, P.D. [1 ]
Ganeev, R.A. [1 ]
机构
[1] Plasma Radiation Section, Centre for Advanced Technology, Indore 452 013, India
关键词
Cameras - Charge coupled devices - Laser mode locking - Second harmonic generation - Semiconductor lasers;
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摘要
A second-order autocorrelator for single-shot measurement of ultra-short laser pulse durations has been set up. It is based on recording the spatial profile of non-collinear phase-matched second harmonic generation in a KDP crystal using a CCD camera-framegrabber combination. Performance of the system is described from measurement of 250 femtosecond transform-limited laser pulses from a passively mode-locked, diode pumped Nd:glass laser. It can also be used for measurement of picosecond laser pulses in the multi-shot scanning mode.
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页码:603 / 611
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