High energy and long pulse generation with high-birefringence photonic crystal fibre and laser-diode pumped regenerative amplifier |
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| Authors: | Wang He-Lin Wang Cheng Leng Yu-Xin Xu Zhi-Zhan and Hou Lan-Tian |
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| Institution: | State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; Institute of Infrared Fiber and Sensor Technology, School of Information Technology and Engineering, Yanshan University, Qinhuangdao 066004, China |
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| Abstract: | We report on the generation of a high energy and long
pulse for pumping optical parametric chirped-pulse amplification
(OPCPA) by a high-birefringence photonic crystal fibre (HB-PCF) and
a laser-diode-pumped regenerative chirped pulse amplifier. Using the
femtosecond pump pulse centred at 815~nm, a 1064~nm soliton pulse is
produced in the HB-PCF. After injecting it into an Nd:YAG
regenerative amplifier with the glass etalons, a narrow-band
amplified pulse with an energy of $\sim $4~mJ and a duration of 235
ps is achieved at a repetition rate of 10~Hz, which is suitable for
being used as a pump source in the 800~nm OPCPA system. |
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| Keywords: | high-birefringence photonic crystal fibre high energy broad pulse regenerative amplification |
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