TE CO2 laser narrow pulse modification based on a pinhole plasma shutter

Ke Changjun; Wu Tianhao; Kong Xinyi; Zhong Yanhong; Wu Jin

doi:10.3788/irla201847.1206007

[1] Fried N M, Fried D. Comparison of Er: YAG and 9.6 μm TE CO2 lasers for ablation of skull tissue [J]. Lasers in Surgery and Medicine, 2002, 28(4): 335-343.

[2] Nilaya J Padma, Saiprasad M B. Generation of continuously tunable 5 μm um coherent radiation by second harmonic conversion of the emission of a multi-atmosphere TE CO2 laser in AgGaSe2 [J]. Laser Physics, 2014, 24(8): 085401.

[3] Wang Yunfei, Wu Jin, Liu Shiming. Tuning characteristics of long pulse TE CO2 lasers[J]. Infrared and Laser Engineering, 2008, 37(2): 226-229. (in Chinese)

[4] Zhang Kuo, Lu Jun, Yang Guilong. Estimation of far field divergence of high power TEA CO2 lasers[J]. Infrared and Laser Engineering, 2015, 44(3): 2286-2290. (in Chinese)

[5] Gasmi T, Zeaiter H A, Ropero G. Plasma-based nitrogen tail pulse shutter for CO2 TEA lidar dial systems[J]. Appled Physics B, 2000, 71(2): 169-175.

[6] Ren Deming, Zhang Lili, Qu Yanchen. Application of plasma switch in TEA CO2 laser multiplication [J]. Chinese Journal of Laser, 2004, 31(9): 1061-1064. (in Chinese)

[7] Tao Y, Tillack M S, Amin N, et al. CO2 laser system for fundamental research related to an extreme ultraviolet lithography source[J]. Review of Scientific Instruments, 2009, 80: 123503.

[8] Harilal S S, Sizyuk T, Sizyuk V. Efficient laser produced plasma extreme ultraviolet sources using grooved Sn targets[J]. Applied Physics Letters, 2010, 96: 111503.

[9] Houtman H, Meyer J. Ultrashort CO2 laser pulse generation by square-wave mode locking and cavity dumping[J]. Optics Letters, 1987, 12(2): 87-90.

[10] Hoshino H, Suganuma T, Asayama T. LPP EUV light source employing high power CO2 laser[C]//SPIE, 2008, 6921: 692131.

[11] Staupendahl G. A novel Q-switched CO2 laser and its applications[J]. Laser Technik Journal, 2014, 11(5): 22-25.

[12] Donnelly T, Mazoyer M, Lynch A, et al. CO2 laser pulse shortening by laser ablation of a metal target[J]. Review of Scientific Instruments, 2012, 83: 035102.

[13] Qua Y, Hu X, Ren D. Research on plasma shutter for pulse-shaping of TEA CO2 laser[C]//SPIE, 2002, 4914: 273.

[14] Bellecc C, Bellucci I, Gaudio P. Clipping the tail of a TE-CO2 laser pulse using a gas breakdown technique for high resolution chemical plume detection[J]. Review of Scientific Instruments, 2003, 74: 1064.

[15] Kenan Qu, Nathaniel J. Laser pulse sharpening with electromagnetically induced transparency in plasma[J]. Physics of Plasmas, 2017, 24: 073108.

[16] Smith D C, Brown R T. Aerosol-induced air breakdown with CO2 laser radiation [J]. Journal of Applied Physics, 1975, 46: 1146-1153.