Preliminary research on seed pulse-shaping of an all-fiber supercontinuum source

Ze-Hua Xu; Xin Yang; Sheng-Ping Chen

doi:10.1117/12.2504273

12 December 2018 Preliminary research on seed pulse-shaping of an all-fiber supercontinuum source

Ze-Hua Xu, Xin Yang, Sheng-Ping Chen

Proceedings Volume 10844, Advanced Laser Technology and Applications; 108440B (2018) https://doi.org/10.1117/12.2504273
Event: International Symposium on Optoelectronic Technology and Application 2018, 2018, Beijing, China

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.

Citation Download Citation

Ze-Hua Xu, Xin Yang, and Sheng-Ping Chen "Preliminary research on seed pulse-shaping of an all-fiber supercontinuum source", Proc. SPIE 10844, Advanced Laser Technology and Applications, 108440B (12 December 2018); https://doi.org/10.1117/12.2504273

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