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Optical Engineering

Analysis of femtosecond optical vortex beam generated by direct wave-front modulation
Author(s): Jiali Liao; Xiaofeng Wang; Wenchao Sun; Yizhou Tan; Di Kong; Yongming Nie; Junli Qi; Hui Jia; Ju Liu; Jiankun Yang; Jichun Tan; Xiujian Li
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Paper Abstract

The generation of femtosecond optical vortex beam based on direct wave-front modulation with phase-only liquid crystal spatial light modulator is demonstrated. The spatial and temporal properties of the generated femtosecond vortices are investigated in detail. The experimental results show remarkable agreement with the results of the theoretical analysis and simulations, and indicate that the method we utilized can efficiently generate femtosecond optical vortex beam of arbitrary topological charge. The temporal and spectral properties of the femtosecond pulsed beam are hardly affected by the phase dislocation imposed on the wave-front.

Paper Details

Date Published: 3 October 2013
PDF: 8 pages
Opt. Eng. 52(10) 106102 doi: 10.1117/1.OE.52.10.106102
Published in: Optical Engineering Volume 52, Issue 10
Show Author Affiliations
Jiali Liao, National Univ. of Defense Technology (China)
Xiaofeng Wang, National Univ. of Defense Technology (China)
Wenchao Sun, National Univ. of Defense Technology (China)
Yizhou Tan, National Univ. of Defense Technology (China)
Di Kong, National Univ. of Defense Technology (China)
Yongming Nie, National Univ. of Defense Technology (China)
Junli Qi, National Univ. of Defense Technology (China)
Hui Jia, National Univ. of Defense Technology (China)
Ju Liu, National Univ. of Defense Technology (China)
Jiankun Yang, National Univ. of Defense Technology (China)
Jichun Tan, National Univ. of Defense Technology (China)
Xiujian Li, National Univ. of Defense Technology (China)


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