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LI Xiao-fen, ZUO Du-luo, CHENG Zu-hai. Numerical simulation of discharge processes of a UV-preionized TEA CO2 laser[J]. LASER TECHNOLOGY, 2004, 28(5): 476-479.
Citation: LI Xiao-fen, ZUO Du-luo, CHENG Zu-hai. Numerical simulation of discharge processes of a UV-preionized TEA CO2 laser[J]. LASER TECHNOLOGY, 2004, 28(5): 476-479.

Numerical simulation of discharge processes of a UV-preionized TEA CO2 laser

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  • Received Date: November 02, 2003
  • Revised Date: December 16, 2003
  • Published Date: September 24, 2004
  • A numerical model for the discharge processes of a UV-preionized transversely excited atmospheric pressure (TEA) CO2 laser is presented,in which the discharge circuit and the discharge area are considered in detail,and the temporal evolution of discharge voltage,current and electron density are given.Comparisons of the simulation results with the related experimental results are presented together with discussions of the factors affecting the stability of gas discharge in the laser.
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    TRTICA M S,OSTOJIC G N.Numerical modeling of self-sustained TEA CO2 laser operation[J].SPIE,1999,3612:4~7.[2] DADELSEN M V,ROTH D E.Coupled gas discharge and pulse circuit analysis[J].IEEE Transactions Plasma Science,1991,19(2): 329~339.[3] 李玲芝,刘逢梅,赵景山 et al.高重复率TEA CO2激光器放电特性研究[J].激光技术,1996,20(4):215~218.[4] 奚惠江,刘金授,陈宗柱 et al.紫外预电离TEA CO2激光器放电特性的研究[J].激光与红外, 1989,19(3):34~37.[5] TOU T Y,THAM K K,SIEW W O et al.Circuit modeling of a two-stage blumlein-driven TEA-N2 laser[J].Measurement Science Technology,1998(9): 1247~1251.[6] TSIKRIKAS G N,SERAFETINIDES A A.Discharge and circuitsimulation of a plasma cathode TEA HF laser operating with a He/Sf6/C3H8 gas mixture[J].Opt Commun, 1997(134):145~148.[7] OHWADANO Y,SEKIGUCHI T.Development and performancecharacteristics of a UV-preionized,high power TEA pulsed CO2 laser[J].Japan J A P,1980,19(8):1493~1504.[8] LOWKE J J,PHELPS A V,IRWIN B W.Predicted electron transport coefficients and operating characteristics of CO2-N2-He laser mixtures[J].J A P,1973,44(10):4664~4671.[9] WITTEMAN W J.The CO2 laser[M]. Berlin:Springer-verlag,1986.150~160.[10] MIDORIKAWA K,WAKABAYASHI K,NAKAMURA K et al.Discharge parameters of a high-pressure,ultraviolet-preionized,transversely excited CO2 laser[J].J A P,1982,53(5):3410~3417.
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