High Power Laser Science and Engineering, Volume. 8, Issue 1, 010000e3(2020)
Generation and imaging of a tunable ultrafast intensity-rotating optical field with a cycle down to femtosecond region
Fig. 1. The simulation for the evolution of the interference intensity distribution of a tunable UIROF with (a)
Fig. 2. (a) The pattern of the tunable UIROF with different
Fig. 3. Setup of the tunable UIROF. BS1 and BS2, beam splitters; L, optical lens; M1–M4, mirrors; MI, asymmetrical Michelson interferometer; P, polarizer; PS, pulse stretcher; QWP, quarter-wave plate; SPG, spiral phase generator; TA, target; TDL, time delay line; VHWP, space-variant half-wave plate.
Fig. 4. The rotating angular velocity versus time shift and pulse width when
Fig. 5. Setup of single-shot ultrafast imaging for the tunable UIROF by NCOPAs. BS-1–BS-3, beam splitters; CCD-1–CCD-4, charge-coupled devices; COS-1–COS-4, confocal optical systems; M, mirror; NCOPA-1–NCOPA-4, noncollinear optical-parametric amplifiers; OAS, optical attenuation slice; SHG, second-harmonic generator; TDL-1–TDL-4, time delay lines; WS, wavelength separator.
Fig. 6. The instantaneous idler images of the rotating ring lattice by the ultrafast real-time frame NCOPA imaging. (a)
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Xuanke Zeng, Shuiqin Zheng, Yi Cai, Hongyu Wang, Xiaowei Lu, Honggeng Wang, Jingzhen Li, Weixin Xie, Shixiang Xu. Generation and imaging of a tunable ultrafast intensity-rotating optical field with a cycle down to femtosecond region[J]. High Power Laser Science and Engineering, 2020, 8(1): 010000e3
Category: Research Articles
Received: Aug. 15, 2019
Accepted: Jan. 8, 2020
Posted: Jan. 8, 2020
Published Online: Feb. 18, 2020
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