[1] MONASTYRSKI M A, ANDREEV S V, GREENFIELD D E, et al. Theoretical and computer study on the possibility of subfemtosecond (attosecond) temporal focusing of photoelectron probing bunches with quasistationary electromagnetic fields［C］. SPIE, 2003, 4948: 305310.

[2] RICCI K N, SMITH T I. Longitudinal electron beam and free electron laser microbunch measurements using offphase RF acceleration［J］. Physical Review Special TopicsAccelerators and Beams, 2000, 3(3): 032801.

[3] QIAN BaoLiang, ELSAYEDALI H E, A new compensating element for a femtosecond photoelectron gun［J］. Review of Scientific Instruments, 2001, 72(9): 35073513.

[4] QIAN BaoLiang, ELSAYEDALI H E. Acceleration element for femtosecond electron pulse compression［J］. Physical Review E, 2002, 65(4): 046502.

[5] LIU J, NIU L, LI J, et al. Theoretical analysis of a time focus and time amplifier cavity in streak tube［C］. SPIE, 2007, 6279: 62792I.

[6] QIANG J, BYRD J M, FENG J, et al. Xray streak camera temporal resolution improvement using a longitudinal timedependent field［J］. Nuclear Instruments and Methods in Physics Research A, 2009, 598: 465469.

[7] 田进寿, 雷晓红, 温文龙, 等. 超快电子脉冲的时域压缩［J］. 光学精密工程, 2011, 19(10): 23792385.

    TIAN Jinshou, LEI Xiaohong, WEN Wenlong, et al. Compression of electron pulses in temporal domain［J］. Optics and Precision Engineering, 2011, 19(10): 23792385.

[8] WEN WenLong, LEI XiaoHong, HU Xin, et al. Femtosecond electron pulse compression by using the time focusing technique in ultrafast electron diffraction［J］. Chinese Physics B, 2011, 20(11): 114102.

[9] 赵鑫, 蔡厚智, 刘进元, 等. 电子束时间聚焦和时间准直系统理论研究［J］. 中国激光, 2015, 42(s1):17001.

    ZHAO Xin, CAI Houzhi, LIU Jinyuan, et al. Theoretical research of time focus and time collimation system for electron bunch［J］. Chinese Journal of Lasers, 2015, 42(s1): 17001.

[10] NAGEL S R, HILSABECK T J, BELL P M, et al. Dilation xray imager a new/faster gated xray imager for the NIF［J］. Review of Scientific Instruments, 2012, 83(10): 10E116.

[11] NAGEL S R, HILSABECK T J, BELL P M, et al. Investigating high speed phenomena in laser plasma interactions using dilation xray imager［J］. Review of Scientific Instruments, 2014, 85(11): 11E504.

[12] HILSABECK T J, HARES J D, KILKENNY J D, et al. Pulsedilation enhanced gated optical imager with 5 ps resolution［J］. Review of Scientific Instruments, 2010, 81(10): 10E317.

[13] NAGEL S R, AYERS M J, FELKER B, et al. Performance measurements of the DIXI (dilation xray imager) photocathode using a laser produced xray source［C］. SPIE, 2012, 8505: 85050H.

[14] NAGEL S R, HILSABECK T J, AYERS M J, et al. 2D magnetic field warp reversal in images taken with DIXI (dilation xray imager) ［C］. SPIE, 2013, 8850: 88500I.

[15] AYERS M J, NAGEL S R, FELKER B, et al. Design and implementation of Dilation Xray Imager for NIF “DIXI”［C］. SPIE, 2013, 8850: 88500C.