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Preliminary research on seed pulse-shaping of an all-fiber supercontinuum source
Author(s): Ze-Hua Xu; Xin Yang; Sheng-Ping Chen
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Paper Abstract

The effectiveness and efficiency of laser processing depends on absorption characteristics of materials. A combination of a low-energy supercontinuum with a high-energy narrowband laser was proposed to form a potential new laser source for materials processing. The broadband spectrum of the supercontinuum is expected to slightly change the properties of target materials by materials absorption, and then the narrowband laser is able to process the materials effectively. This new laser source was realized by seed pulse-shaping. The seed pulses were formed by a high and short pulse with a low and long pulse, which were generated from an electrically modulated laser diode operating at 1064nm. After being amplified, the pulses went through a section of photonic crystal fiber. The average output power and spectrum could be widely tuned as the pulse durations, amplitudes and relative delay time varied.

Paper Details

Date Published: 12 December 2018
PDF: 6 pages
Proc. SPIE 10844, Advanced Laser Technology and Applications, 108440B (12 December 2018); doi: 10.1117/12.2504273
Show Author Affiliations
Ze-Hua Xu, National Univ. of Defense Technology (China)
Xin Yang, National Univ. of Defense Technology (China)
Sheng-Ping Chen, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 10844:
Advanced Laser Technology and Applications
Shibin Jiang; Lijun Wang; Zejin Liu; Wei Shi; Pu Zhou, Editor(s)

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