Hyperfine structure and absolute frequency measurements of 127I2 transitions with monolithic Nd:YAG 561-nm lasers

被引：20

作者：

Yang, T. ^{[1
,2
]}

Meng, F. ^{[2
]}

Zhao, Y. ^{[3
]}

Peng, Y. ^{[3
]}

Li, Y. ^{[2
]}

Cao, J. ^{[2
]}

Gao, C. ^{[1
]}

Fang, Z. ^{[2
]}

Zang, E. ^{[2
]}

机构：

[1] Beijing Inst Technol, Sch Optoelect, Beijing 100081, Peoples R China

[2] Natl Inst Metrol, Ctr Time & Frequency Metrol, Beijing 100013, Peoples R China

[3] Tsinghua Univ, Dept Precis Instruments & Mechanol, Beijing 100084, Peoples R China

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2012年 / 106卷 / 03期

关键词：

MOLECULAR-IODINE; FIBER LASER; YAG LASER; 633; NM; ND; LINES; SPECTROSCOPY; REALIZATION; SPLITTINGS; STANDARDS;

D O I：

10.1007/s00340-011-4750-6

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The precision hyperfine structures of the (127) I (2) transitions at 561.4 nm are measured by the heterodyne beat between two home-made (127) I (2)-stabilized Nd:YAG lasers. The theoretical distributions of the observed transitions' hyperfine sublevels are used to identify the two transitions. High-accuracy hyperfine constants are obtained by fitting the measured hyperfine splittings to the four-term Hamiltonian, which includes the electric quadruple, spin-rotation, tensor spin-spin and scalar spin-spin interactions. The absolute frequencies of the observed four transitions are measured by an optical frequency comb based on a mode-locked erbium-fiber laser.

引用

页码：613 / 618

页数：6

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