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Acta Physica Sinica (Overseas Edition), 1997, Vol. 6(4): 266-274    DOI: 10.1088/1004-423X/6/4/004
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

THE PHASE CHARACTER OF ZEEMAN MODULATION MAGNETIC ROTATION LASER SPECTROSCOPY

CHEN JIN-HAI (陈金海), CHEN YANG-QIN (陈杨), CAI PEI-PEI (蔡佩佩), XIA CHANG-PING (夏长平), WANG ZU-GENG (王祖赓)
Laboratory for Quantum Optics, East China Normal University, Shanghai 200062, China
Abstract  Zeeman modulation-magnetic rotation spectroscopic (ZM-MRS) technique is provided with not only high sensitivity and high signal-to-noise ratio, but also apparent phase character for studying molecular spectrum. It is quite helpful for assigning some complex molecular rotational spectra. As an example, the ZM-MRS spectra of NO2 molecule was measured in the region between 16838cm-1 and 16860cm-1 with high resolution. The semi-classical magnetic rotation theory was used to explain the spectral feature and its phase relation with transition quantum number. It is in agreement with the experimental results. Finally, by using matrix diagonalization of effective Hamiltonian, the ZM-MRS spectra of NO2 molecule were analyzed and a reasonable assignment was obtained.
Received:  30 January 1996      Accepted manuscript online: 
PACS:  32.60.+i (Zeeman and Stark effects)  
  33.20.Sn (Rotational analysis)  
Fund: Project supported by the National Natural Science Foundation of China.

Cite this article: 

CHEN JIN-HAI (陈金海), CHEN YANG-QIN (陈杨), CAI PEI-PEI (蔡佩佩), XIA CHANG-PING (夏长平), WANG ZU-GENG (王祖赓) THE PHASE CHARACTER OF ZEEMAN MODULATION MAGNETIC ROTATION LASER SPECTROSCOPY 1997 Acta Physica Sinica (Overseas Edition) 6 266

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