Demonstration of joule-level chirped pulse amplification based on tiled Ti:sapphire amplifier

Keyang Liu; Yanqi Liu; Yunhai Tang; Junchi Chen; Cheng Wang; Xingyan Liu; Xiaobin Wang; Yingbin Long; Yi Xu; Yujie Peng; Xiaoming Lu; Zhengzheng Liu; Yuxin Leng

doi:10.3788/COL202119.011401

Journals >Chinese Optics Letters >Volume 19 >Issue 1 >Page 011401 > Article

Chinese Optics Letters
Vol. 19, Issue 1, 011401 (2021)

Demonstration of joule-level chirped pulse amplification based on tiled Ti:sapphire amplifier

Keyang Liu^1、2、3, Yanqi Liu^1、*, Yunhai Tang¹, Junchi Chen¹, Cheng Wang¹, Xingyan Liu^1、2、3, Xiaobin Wang¹, Yingbin Long¹, Yi Xu¹, Yujie Peng¹, Xiaoming Lu¹, Zhengzheng Liu¹, and Yuxin Leng^{1、2、4、**}

Author Affiliations

¹State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²School of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, China

³University of Chinese Academy of Sciences, Beijing 100049, China

⁴CAS Center for Excellence in Ultra-intense Laser Science, Shanghai 201800, China

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DOI: 10.3788/COL202119.011401 Cite this Article Set citation alerts

Keyang Liu, Yanqi Liu, Yunhai Tang, Junchi Chen, Cheng Wang, Xingyan Liu, Xiaobin Wang, Yingbin Long, Yi Xu, Yujie Peng, Xiaoming Lu, Zhengzheng Liu, Yuxin Leng. Demonstration of joule-level chirped pulse amplification based on tiled Ti:sapphire amplifier[J]. Chinese Optics Letters, 2021, 19(1): 011401 Copy Citation Text

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Fig. 1. Overall experimental setup.

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Tiled Ti:S four-pass amplifier scheme. The red line is the signal beam, while the green line is the pump beam. The insets show (a) the signal beam shaping and (b) the mounting structure of the Ti:S crystals.

Fig. 2. Tiled Ti:S four-pass amplifier scheme. The red line is the signal beam, while the green line is the pump beam. The insets show (a) the signal beam shaping and (b) the mounting structure of the Ti:S crystals.

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Fig. 3. Experimental and simulated results of the output energy of the tiled Ti:S amplifier at the same input energy.

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Fig. 4. Laser spectral evolution of the input and output of the tiled Ti:S amplifier.

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Fig. 5. Measured duration and spectral phase of compressed pulses.

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Fig. 6. Spatial profile of the output beam of the tiled Ti:S amplifier. (a) The near-field spatial profile. (b) The far-field spatial profile after the compressor: the experimental (upper) and the simulated (lower) results. (c) The measurement scheme.

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Keyang Liu, Yanqi Liu, Yunhai Tang, Junchi Chen, Cheng Wang, Xingyan Liu, Xiaobin Wang, Yingbin Long, Yi Xu, Yujie Peng, Xiaoming Lu, Zhengzheng Liu, Yuxin Leng. Demonstration of joule-level chirped pulse amplification based on tiled Ti:sapphire amplifier[J]. Chinese Optics Letters, 2021, 19(1): 011401

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