Direct frequency comb of two-photon transition spectroscopy in a cesium vapor

doi:10.1088/1674-1056/21/11/113701

Abstract A phase-stabilized femtosecond frequency comb is used to measure high-resolution spectra of two-photon transition 6²S_1/2-6²P_1/2,3/2-8²S_1/2 in a cesium vapor. The broadband laser output from a femtosecond frequency comb is split into counter-propagating parts, shaped in an originate way, and focused into a room-temperature cesium vapor. We obtain high-resolution two-photon spectroscopy by scanning the repetition rate of femtosecond frequency comb, and through absolute frequency measurements.

Keywords: broadband laser two-photon spectroscopy femtosecond frequency comb

Received: 09 January 2012
Revised: 04 June 2012
Accepted manuscript online:

PACS:	37.10.De	(Atom cooling methods)
	34.35.+a	(Interactions of atoms and molecules with surfaces)
	34.10.+x	(General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.))

Fund: Project supported by the National Basic Research Program of China (Grant No. 2012CB921603), the International Science & Technology Cooperation Program of China (Grant No. 2011DFA12490), the International Science & Technology Cooperation Program of Shanxi Province, China (Grant No. 2011081030), the National Natural Science Foundation of China (Grant Nos. 61008012, 10934004, 60978001, 11174187, and 11074154), the NSFC Project for Excellent Research Team of China (Grant No. 61121064), and the Specialized Research Fund for the Doctoral Program of Higher Education, China (Grant No. 20101401120004).

Corresponding Authors: Ma Jie
E-mail: mj@sxu.edu.cn

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Zhang Yi-Chi (张一驰), Wu Ji-Zhou (武寄洲), Li Yu-Qing (李玉清), Jin Li (金丽), Ma Jie (马杰), Wang Li-Rong (汪丽蓉), Zhao Yan-Ting (赵延霆), Xiao Lian-Tuan (肖连团), Jia Suo-Tang (贾锁堂 ) Direct frequency comb of two-photon transition spectroscopy in a cesium vapor 2012 Chin. Phys. B 21 113701

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[1]	Two-photon spectrum of ⁸⁷Rb using optical frequency comb Wang Li-Rong (汪丽蓉), Zhang Yi-Chi (张一驰), Xiang Shao-Shan (向少山), Cao Shu-Kai (曹书凯), Xiao Lian-Tuan (肖连团), Jia Suo-Tang (贾锁堂). Chin. Phys. B, 2015, 24(6): 063201.

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