Asynchronous cross-correlation for weak ultrafast deep ultraviolet laser pulses |
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| Authors: | E Granados A Fuerbach D W Coutts and D J Spence |
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| Institution: | 1.MQ Photonics Research Centre, Department of Physics and Engineering,Macquarie University,Sydney,Australia |
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| Abstract: | We have developed a technique for the temporal characterisation of weak deep-ultraviolet (DUV) ultrashort laser pulses by
combining asynchronous optical sampling with difference-frequency mixing. The intensity profile of picosecond DUV pulses,
with peak powers as low as 2.5 W, have been measured accurately with a resolution of 50 fs. The method can be extended to
complete amplitude and phase characterisation of few femtosecond laser pulses at DUV wavelengths. |
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