[1] [1] Charles C. Applied Physics Letters, 2004, 84(3): 332.

[2] [2] Charles C, Boswell R W. Applied Physics Letters, 2003, 82(9): 1356.

[4] [4] Takahashi K, Lafleur T, Charles C. Applied Physics Letters, 2011, 98(14): 141503, 1.

[5] [5] Cedolin R J, Hargus W A, Storm P V. In Proceedings of the 33rd Joint Propulsion Conference. 1997, AIAA-97-3053.

[6] [6] Cedolin R J, Hargus W A, Storm P V. Applied Physics B, 1997, 65(4-5): 459.

[7] [7] Keefer D. In Proceedings of the 35th Joint Propulsion Conference. 1999, AIAA-99-2425.

[8] [8] Williams G J, Smith T B, GulczinskiII F S. In Proceedings of the 35th Joint Propulsion Conference, 1999, AIAA-99-2424.

[9] [9] Sadeghi N, Dorval N, Bonnet J. In Proceedings of the 35th Joint Propulsion Conference. 1999, AIAA-99-2429.

[10] [10] Hargus W A, Cappelli M A. Applied Physics B, 2001, B72(8): 961.

[11] [11] Edrich D A, McWilliams R, Wolf N S. Review of Scientific Instruments, 1996, 67 (8): 2812.

[12] [12] Boivin R F, Scime E E. Review of Scientific Instruments, 2003, 74(10): 4352.

[13] [13] Biloiu C, Sun X, Choueiri E, et al. Plasma Sources Science and Technol., 2005, 14(4): 766.

[14] [14] Baalrud S D, Lafleur T, Boswell R W, et al. Physics of Plasmas, 2011, 18(6): 063502.