Kinetics of an optically pumped metastable Ar laser

被引:19
作者
Han, Jiande [1 ]
Heaven, Michael C. [1 ]
Hager, Gordon D. [2 ]
Venus, George B. [3 ]
Glebov, Leonid B. [3 ]
机构
[1] Emory Univ, Atlanta, GA 30322 USA
[2] Air Force Inst Technol, Dayton, OH 45433 USA
[3] Univ Cent Florida, Coll Opt & Photon, Orlando, FL 32816 USA
来源
HIGH ENERGY/AVERAGE POWER LASERS AND INTENSE BEAM APPLICATIONS VII | 2014年 / 8962卷
关键词
D O I
10.1117/12.2045164
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In recent studies, an optically pumped Ar*/He laser has been demonstrated using the Ar 4p[1/2](1)-> 4s[3/2](2) transition at 912.55 nm. Time-resolved data for this system, recorded using CW laser excitation and pulsed discharge production of Ar* 4p[3/2](2), yielded laser output pulses that were of unexpectedly short duration. It was speculated that radiative relaxation from the upper laser level to the 4s[3/2](1) state (607 cm(-1) above 4s[3/2](2)) caused termination of the laser pulse. In the present study this hypothesis has been tested by observing the energy transfer kinetics of the 4s[3/2](2) and 4s[3/2](1) states in Ar/He gas mixtures. Following pulsed laser excitation out of 4s[3/2](2), population recovery was observed on a mu s time scale. Energy transfer from 4s[3/2](1) to 4s[3/2](2), induced by collisions with He, was characterized. The rate constant was found to be (1.0 +/- 0.5)x10(-13) cm(3) s(-1). These observations confirmed that radiative transfer to 4s[3/2](1) was responsible for the short duration laser pulses. Modeling of a fully CW optically pumped Ar* laser shows that radiative transfer to 4s[3/2](1) reduces the number density of the Ar* atoms involved in lasing, but is otherwise benign.
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页数:13
相关论文
共 10 条
[1]   Diode-pumped caesium vapour laser with closed-cycle laser-active medium circulation [J].
Bogachev, A. V. ;
Garanin, S. G. ;
Dudov, A. M. ;
Yeroshenko, V. A. ;
Kulikov, S. M. ;
Mikaelian, G. T. ;
Panarin, V. A. ;
Pautov, V. O. ;
Rus, A. V. ;
Sukharev, S. A. .
QUANTUM ELECTRONICS, 2012, 42 (02) :95-98
[2]   Review on diode-pumped alkali vapor laser [J].
Gao, F. ;
Chen, F. ;
Xie, J. J. ;
Li, D. J. ;
Zhang, L. M. ;
Yang, G. L. ;
Guo, J. ;
Guo, L. H. .
OPTIK, 2013, 124 (20) :4353-4358
[3]  
Han J., 2014, IN PRESS
[4]   Demonstration of a diode-pumped metastable Ar laser [J].
Han, Jiande ;
Glebov, Leonid ;
Venus, George ;
Heaven, Michael C. .
OPTICS LETTERS, 2013, 38 (24) :5458-5461
[5]   Gain and lasing of optically pumped metastable rare gas atoms [J].
Han, Jiande ;
Heaven, Michael C. .
OPTICS LETTERS, 2012, 37 (11) :2157-2159
[6]   Energy Transfer Kinetics of the np5(n+1)p Excited States of Ne and Kr [J].
Kabir, Md. Humayun ;
Heaven, Michael C. .
JOURNAL OF PHYSICAL CHEMISTRY A, 2011, 115 (34) :9724-9730
[7]  
Kramida A., 2013, NIST Atomic Spectra Database, V5.3
[8]   ANALOGY BETWEEN ELECTRONICALLY EXCITED-STATE ATOMS AND ALKALI-METAL ATOMS [J].
SETSER, DW ;
DREILING, TD ;
BRASHEARS, HC ;
KOLTS, JH .
FARADAY DISCUSSIONS, 1979, 67 :255-272
[9]   Experimental and numerical modeling studies of a pulsed rubidium optically pumped alkali metal vapor laser [J].
Zameroski, Nathan D. ;
Hager, Gordon D. ;
Rudolph, Wolfgang ;
Hostutler, David A. .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 2011, 28 (05) :1088-1099
[10]   Review of alkali laser research and development [J].
Zhdanov, Boris V. ;
Knize, Randy J. .
OPTICAL ENGINEERING, 2013, 52 (02)