Haiying Gao, Yanli Bai, Rongbin Yao, Xun Wang, Dajian Liu. Transmission and Imaging Characteristics of Femtosecond Photoelectrons in Pulse-Dilation System[J]. Laser & Optoelectronics Progress, 2019, 56(12): 123201
- Laser & Optoelectronics Progress
- Vol. 56, Issue 12, 123201 (2019)
Fig. 1. Model of pulse-dilation framing camera
Fig. 2. Electromagnetic field in pulse-dilation system. (a) Electronic field distribution when PC voltage is -2 kV; (b) electronic field distribution when PC voltage is -5 kV; (c) magnetic induction intensity
Fig. 3. Transport properties between PC and anode. (a) Temporal dispersion of initial energy distribution; (b) temporal dispersion of space charge effect
Fig. 4. Time width and ampere density during transmission. (a) Dynamic time width; (b) dynamic ampere density
Fig. 5. Temporal dispersion during transport in drift area. (a) Change of temporal dispersion when Δti=200 ps; (b) change of temporal dispersion during the transport
Fig. 6. Imaging characteristics of fs photoelectrons. (a) Ideal imaging distribution; (b) imaging distribution at PC voltage of -2 kV; (c) Gaussian fitting curves of two kinds of imaging distributions; (d) spatial dispersions at different PC voltages
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