High Power Laser Science and Engineering, Volume. 10, Issue 5, 05000e32(2022)
Forty-five terawatt vortex ultrashort laser pulses from a chirped-pulse amplification system
Fig. 1. Schematics of the vortex CPA experimental setup (a) and the optical vortex converter (b). QW, quarter-wave plate; P, polarizer; QP, q-plate, vortex half-wave plate; OVC, optical vortex converter; BE, beam expander; PM, off-axis parabolic mirror.
Fig. 2. Near-field intensity distributions of vortex beams for topological charges
Fig. 3. Far-field profiles for
Fig. 4. Far-field profiles for
Fig. 5. The spot profiles at the near-field after compression (a) and the far-field with an
Fig. 6. (a) Measured spectra after stretching (black line) and compression (red line). (b) Measured autocorrelation trace of the compressed pulse sampled in the region within the blue circle in Figure 5(a).
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Zhenkuan Chen, Shuiqin Zheng, Xiaoming Lu, Xinliang Wang, Yi Cai, Congying Wang, Maijie Zheng, Yuexia Ai, Yuxin Leng, Shixiang Xu, Dianyuan Fan. Forty-five terawatt vortex ultrashort laser pulses from a chirped-pulse amplification system[J]. High Power Laser Science and Engineering, 2022, 10(5): 05000e32
Category: Research Articles
Received: Oct. 29, 2021
Accepted: Jul. 29, 2022
Published Online: Oct. 28, 2022
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