Ultrafast imaging of photoinduced nonlinear response in transparent materials using femtosecond optical polarigraphy technique

Pengchao He; Jinhai Si; Lihe Yan; Xin Liu; Xiaofang Wang; Feng Chen; Xun Hou

doi:10.1117/1.OE.53.5.056101

5 May 2014 Ultrafast imaging of photoinduced nonlinear response in transparent materials using femtosecond optical polarigraphy technique

Pengchao He, Jinhai Si, Lihe Yan, Xin Liu, Xiaofang Wang, Feng Chen, Xun Hou

Author Affiliations +

Optical Engineering, Vol. 53, Issue 5, 056101 (May 2014). https://doi.org/10.1117/1.OE.53.5.056101

Abstract

Using a femtosecond time-resolved optical polarigraphy (FTOP) imaging technique, we measured the ultrafast propagation dynamics of femtosecond laser pulses in transparent materials, CS₂ and fused silica, respectively. The FTOP images showed different profiles in these two media due to their different nonlinear response time. Based on the FTOP technique, a femtosecond time-resolved single-shot optical Kerr effect measurement was demonstrated, which can be accomplished using a single-laser shot and has a time resolution of about 100 fs. The polarization dependence of the image intensity indicated that the FTOP images were mainly induced by the transient birefringence effect induced by the pump pulse.

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Pengchao He, Jinhai Si, Lihe Yan, Xin Liu, Xiaofang Wang, Feng Chen, and Xun Hou "Ultrafast imaging of photoinduced nonlinear response in transparent materials using femtosecond optical polarigraphy technique," Optical Engineering 53(5), 056101 (5 May 2014). https://doi.org/10.1117/1.OE.53.5.056101

Published: 5 May 2014

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