Polarization spectroscopy of the 1S0-3P1 transition of mercury isotopes at 253.7 nm

Xiaohu Fu; Kangkang Liu; Ruchen Zhao; Wei Gou; Jianfang Sun; Zhen Xu; Yuzhu Wang

doi:10.3788/COL201513.073001

Journals >Chinese Optics Letters >Volume 13 >Issue 7 >Page 073001 > Article

Chinese Optics Letters
Vol. 13, Issue 7, 073001 (2015)

Polarization spectroscopy of the ¹S₀-³P₁ transition of mercury isotopes at 253.7 nm

Xiaohu Fu^1、2, Kangkang Liu^1、2, Ruchen Zhao^1、2, Wei Gou^1、2, Jianfang Sun¹, Zhen Xu^{1、2、3、*}, and Yuzhu Wang^1、2、3

Author Affiliations

¹Key Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²University of Chinese Academy of Science, Beijing 100049, China

³Center for Cold Atom Physics, Chinese Academy of Sciences, Shanghai 201800, China

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DOI: 10.3788/COL201513.073001 Cite this Article Set citation alerts

Xiaohu Fu, Kangkang Liu, Ruchen Zhao, Wei Gou, Jianfang Sun, Zhen Xu, Yuzhu Wang. Polarization spectroscopy of the ¹S₀-³P₁ transition of mercury isotopes at 253.7 nm[J]. Chinese Optics Letters, 2015, 13(7): 073001 Copy Citation Text

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Abstract

We experimentally observe polarization spectroscopy (PS) of the

{}^{1}{S_{0}} - {{}^{3}P}_{1}

transition of mercury atom gases at 253.7 nm. The PS signal can be observed in all six richly abundant isotopes and the PS signal of six transitions for laser cooling are all clear and of a dispersive line shape. The optimized pump power and probe power are found for the PS of

{}^{202}{Hg}

. We find the linearly polarized component in the pump beam will distort the original PS signal due to the use of linear PS. Consequently, the purity of the pump beam is crucial to laser frequency stabilization by PS.