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Conferences > ISUPTW > 2018 > TuK > TuK12

Investigation on the dispersion compensation of femtosecond optical vortex generated by hologram grating

Yanyun Tu, Zhenwei Wang, Dongwen Zhang, and Zengxiu Zhao

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Abstract

This paper presents a new method of dispersion compensation based on holographic grating plate combined with lens imaging system. In the experiment, we have produced a femtosecond vortex beam with no mode distortion on the basis of the new method. The method proposed in this paper improves the diffraction efficiency of the femtosecond vortex beam greatly.

© 2018 The Author(s)

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