Absolute frequency measurement of sub-Doppler molecular lines using a 3.4-μm difference-frequency-generation spectrometer and a fiber-based frequency comb

Keisuke Takahata; Takumi Kobayashi; Hiroyuki Sasada; Yoshiaki Nakajima; Hajime Inaba; Feng Lei Hong

doi:10.1103/PhysRevA.80.032518

Absolute frequency measurement of sub-Doppler molecular lines using a 3.4-μm difference-frequency-generation spectrometer and a fiber-based frequency comb

Keisuke Takahata, Takumi Kobayashi, Hiroyuki Sasada, Yoshiaki Nakajima, Hajime Inaba, Feng Lei Hong

研究成果: Article › 査読

32 被引用数 (Scopus)

抄録

We measure the absolute frequency of 12 sub-Doppler lines of the P (6) and P (7) transitions in the ν3 band of C 12 H4 using difference-frequency- generation (DFG) of 1.064-μm Nd:YAG and 1.55-μm DFB lasers and a fiber-based frequency comb referenced to International Atomic Time. The relative uncertainties are typically 9.4× 10-11, and the determined value for the P (7) F2 (2) line agrees with the International Committee for Weights and Measures recommendation with a discrepancy of (1.2±8.4) kHz. The combination of the DFG spectrometer and the frequency comb enables determining energy levels as accurately as microwave spectroscopy.

本文言語	English
論文番号	032518
ジャーナル	Physical Review A - Atomic, Molecular, and Optical Physics
巻	80
号	3
DOI	https://doi.org/10.1103/PhysRevA.80.032518
出版ステータス	Published - 2009 9月 23
外部発表	はい

ASJC Scopus subject areas

原子分子物理学および光学

文献へのアクセス

10.1103/PhysRevA.80.032518

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引用スタイル

Takahata, K., Kobayashi, T., Sasada, H., Nakajima, Y., Inaba, H., & Hong, F. L. (2009). Absolute frequency measurement of sub-Doppler molecular lines using a 3.4-μm difference-frequency-generation spectrometer and a fiber-based frequency comb. Physical Review A - Atomic, Molecular, and Optical Physics, 80(3), Article 032518. https://doi.org/10.1103/PhysRevA.80.032518

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