Picosecond pulse Yb-doped fiber laser based on pulse compressor of microfiber

Yu Jialan; Liu Meng; Li Xiangyue; Wang Xude; Luo Aiping; Xu Wencheng; Luo Zhichao

doi:10.3788/IRLA201847.0803005

Ultra-short pulse lasers at 1.0 m waveband have important applications in many fields such as laser processing, optical precision measurement, biomedicine etc. However, because the Yb-doped fiber laser operates in the all-normal dispersion regime, the pulse width of the laser output is usually large. Because the microfiber could provide anomalous dispersion at 1.0 m waveband by changing its size, in order to achieve ultra-short pulse the microfiber was employed as dispersion compensation device to compress the Yb-doped fiber laser pulse. In this work, the diameter and length of taper waist of the home-made microfiber were 3 m and 5 cm, respectively. The pulse width of the Yb-doped fiber laser was 37.6 ps, while it was compressed to be 8.5 ps by the microfiber. These results offer a more simple and inexpensive method for pulse compression.

Picosecond pulse Yb-doped fiber laser based on pulse compressor of microfiber

1. Guangzhou Key Laboratory for Special Fiber Photonic Devices and Applications,South China Normal University,Guangzhou 510006,China;

2. Guangdong Provincial Engineering Technology Research Center for Microstructured Functional Fibers and Devices,South China Normal University,Guangzhou 510006,China;

3. School of Physics and Electronic Information,Huaibei Normal University,Huaibei 235000,China

Received Date: 2018-04-13

Rev Recd Date: 2018-05-03

Publish Date: 2018-08-25

Key words:

Abstract: Ultra-short pulse lasers at 1.0 m waveband have important applications in many fields such as laser processing, optical precision measurement, biomedicine etc. However, because the Yb-doped fiber laser operates in the all-normal dispersion regime, the pulse width of the laser output is usually large. Because the microfiber could provide anomalous dispersion at 1.0 m waveband by changing its size, in order to achieve ultra-short pulse the microfiber was employed as dispersion compensation device to compress the Yb-doped fiber laser pulse. In this work, the diameter and length of taper waist of the home-made microfiber were 3 m and 5 cm, respectively. The pulse width of the Yb-doped fiber laser was 37.6 ps, while it was compressed to be 8.5 ps by the microfiber. These results offer a more simple and inexpensive method for pulse compression.

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Reference (18)

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Picosecond pulse Yb-doped fiber laser based on pulse compressor of microfiber

doi: 10.3788/IRLA201847.0803005

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