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[IEEE CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on Lasers and Electro-Optics - Taipei,...
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TH P-( 1 )-6 SPECTROSCOPY STUDIES OF THE B'II, STATE OF Csz 2 ChhChun Tsai', Yi-Chi Lee', Fang-Cheng Lin', and ThowJenWhan$ 'Department of Physics, NationalCheng Kung University, Tainan, Taiwan70101, R. 0. C. 2Department of Chemism, National Cheng Kung University, Tainan, Taiwan 70101, R. 0. C. Phone: 886-6-2757575 ext. 65251, Fax: 886-6-2747995, [email protected] Abstract - More than 1000 rovibrational transitions between the first excited Bin, state and the ground X1Z: state of C s l were observed and analyzed. The laser-induced fluorescence of Csz molecules pumping with a solid-state-pumped single-mode Tisapphire laser was detected with an ultra-high resolution monochromator and photo-multiplied tube. The high level density and small electronic reparation of cesium dimers due primarily to the large dipolar interactions and heavy nuclei comparing with the lighter alkalis make the laser-induced fluorescence un-resolvable. The ultra-high resolution monochromator acts as a band path filter (about 1 cm? line width) and tuned to the favor transition to eliminate the other transitions. From the measured term values, Dumham coefficients, RKR potential of B'n. state have been calculated which yield the potential parameters T. = 13043:638(5) cm.', R, = 4.85 A, De = 2338.5(8) cm', E. = 0.01077(1) cm', and 4 = 34.37(4) cm?. This is in good agreement with Diemer's .results[l]. [l] U. Diemer, R. Duchowicz, M. Ertel, E. Mehdizadeh, and W. Demtroder, "Doppler-Free Polarization Spectroscopy ofthe B'n. state of Cs2". Chem. Phys, Lett. 164, pp. 419-426 (1989). .i 0-7803-7766-4103~17.00 02003 IEEE 506
Transcript of [IEEE CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on Lasers and Electro-Optics - Taipei,...
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TH P-( 1 )-6
SPECTROSCOPY STUDIES OF THE B'II, STATE OF Csz 2
ChhChun Tsai', Yi-Chi Lee', Fang-Cheng Lin', and ThowJenWhan$ 'Department of Physics, NationalCheng Kung University, Tainan, Taiwan70101, R. 0. C.
2Department of Chemism, National Cheng Kung University, Tainan, Taiwan 70101, R. 0. C. Phone: 886-6-2757575 ext. 65251, Fax: 886-6-2747995, [email protected]
Abstract - More than 1000 rovibrational transitions between the first excited Bin, state and the ground
X1Z: state of C s l were observed and analyzed. The laser-induced fluorescence of Csz molecules pumping with
a solid-state-pumped single-mode Tisapphire laser was detected with an ultra-high resolution monochromator
and photo-multiplied tube. The high level density and small electronic reparation of cesium dimers due
primarily to the large dipolar interactions and heavy nuclei comparing with the lighter alkalis make the
laser-induced fluorescence un-resolvable. The ultra-high resolution monochromator acts as a band path filter
(about 1 cm? line width) and tuned to the favor transition to eliminate the other transitions. From the measured
term values, Dumham coefficients, RKR potential of B'n. state have been calculated which yield the potential
parameters T. = 13043:638(5) cm.', R, = 4.85 A, De = 2338.5(8) cm', E. = 0.01077(1) cm', and 4 = 34.37(4)
cm?. This is in good agreement with Diemer's .results[l].
[ l] U. Diemer, R. Duchowicz, M. Ertel, E. Mehdizadeh, and W. Demtroder, "Doppler-Free Polarization
Spectroscopy ofthe B'n. state of Cs2". Chem. Phys, Lett. 164, pp. 419-426 (1989).
. i
0-7803-7766-4103~17.00 02003 IEEE
506
