Pulse-burst laser systems for fast Thomson scattering (invited)

被引：26

作者：

Den Hartog, D. J. ^{[1
,2
]}

Ambuel, J. R. ^{[3
]}

Borchardt, M. T. ^{[1
]}

Falkowski, A. F. ^{[1
]}

Harris, W. S. ^{[1
]}

Holly, D. J. ^{[3
]}

Parke, E. ^{[1
]}

Reusch, J. A. ^{[1
]}

Robl, P. E. ^{[3
]}

Stephens, H. D. ^{[1
]}

Yang, Y. M. ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

[2] Univ Wisconsin, Ctr Magnet Self Org Lab & Astrophys Plasmas, Madison, WI 53706 USA

[3] Univ Wisconsin, Phys Sci Lab, Stoughton, WI 53589 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 10期

关键词：

D O I：

10.1063/1.3475723

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Two standard commercial flashlamp-pumped Nd:YAG (YAG denotes yttrium aluminum garnet) lasers have been upgraded to "pulse-burst" capability. Each laser produces a burst of up to 15 2 J Q-switched pulses (1064 nm) at repetition rates of 1-12.5 kHz. Variable pulse-width drive (0.15-0.39 ms) of the flashlamps is accomplished by insulated gate bipolar transistor (IGBT) switching of electrolytic capacitor banks. Direct control of the laser Pockels cell drive enables optimal pulse energy extraction, and up to four 2 J laser pulses during one flashlamp pulse. These lasers are used in the Thomson scattering plasma diagnostic system on the MST reversed-field pinch to record the dynamic evolution of the electron temperature profile and temperature fluctuations. To further these investigations, a custom pulse-burst laser system with a maximum pulse repetition rate of 250 kHz is now being commissioned. (C) 2010 American Institute of Physics. [doi:10.1063/1.3475723]

引用

页数：4

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