Femtosecond frequency comb and optical frequency measurement of 532 nm Nd:YAG laser

Zhan Jun Fang*, Qiang Wang, Min Ming Wang, Fei Meng, Bai Ke Lin, Tian Chu Li

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

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 532 nm Nd:YAG laser installed in NIM. The measurement result of 127I2 R (56) 32-10 hyperflne transition is 563260223512991 ±20 (Hz), with a relative frequency uncertainty of 3.6 × 10-14. To our knowledge, this result is the first optical frequency measurement in China which is referenced directly to the Cs microwave frequency standard.

Original languageEnglish
Pages (from-to)5684-5690
Number of pages7
JournalWuli Xuebao/Acta Physica Sinica
Volume56
Issue number10
DOIs
Publication statusPublished - Oct 2007
Externally publishedYes

Keywords

  • Femtosecond frequency comb
  • Metrology
  • Optical frequency metrology

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