Open AccessFemtosecond frequency comb and optical frequency measurement of 532 nm Nd:YAG laser
Author(s) -
Zhongyuan Fang,
Qiang Wang,
Wang Min-Ming,
F. Meng,
Bo Lin,
Tianchu Li
Publication year - 2007
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.56.5684
Subject(s) - femtosecond , optics , laser , materials science , frequency comb , optical frequency comb , sapphire , microwave , hyperfine structure , optoelectronics , physics , atomic physics , quantum mechanics
In this paper we report on the Ti:sapphire mode-locked femtosecond laser based optical frequency comb apparatus and developed by NIM its application in optical frequency measurement of the I2 stabilized 532nm Nd∶YAG laser installed in NIM. The measurement result of 127I2 R(56)32-10 hyperfine transition is 563260223512991±20 (Hz), with a relative frequency uncertainty of 3.6×10-14. To our knowledgethis result is the first optical frequency measurement in China which is referenced directly to the Cs microwave frequency standard.