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Highly efficient TW multipass Ti:sapphire laser system

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Abstract

An efficient chirped-pulse amplification, Ti: sapphire laser system, has been developed using mainly domestic components. The gain-narrowing effect has been significantly overcome by shaping spectrum of seeding pulses. With a novel aberration-free stretcher and two stage multi-pass amplifiers, pulses with duration of 25 fs and 36-mJ energy have been obtained at 10 Hz repetition rate, using only less than 290 mJ green Nd:YAG pump energy. This corresponds to a 1.4 TW peak power and 32% main amplification efficiency. The energy stability of the laser systems is better than ± 3%.

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Authors and Affiliations

  1. Laboratoly of Optical Physics, Institute of Physics, Chinese Academy of Sciences, 100080, Beijing, China

    Zhiyi Wei, Jie Zhang, Jiangfan Xia, Baohua Feng, Xiulan Zhang & Yang Qiu

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  1. Zhiyi Wei
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  2. Jie Zhang
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  3. Jiangfan Xia
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  4. Baohua Feng
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  5. Xiulan Zhang
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  6. Yang Qiu
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Correspondence to Zhiyi Wei.

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Wei, Z., Zhang, J., Xia, J. et al. Highly efficient TW multipass Ti:sapphire laser system. Sci. China Ser. A-Math. 43, 1083–1087 (2000). https://doi.org/10.1007/BF02898243

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  • DOI: https://doi.org/10.1007/BF02898243

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