Optical frequency measurement of the H12C14N Lamb-dip-stabilized 1.5-μm diode laser

Y. Awaji, K. Nakagawa, M. de Labachelerie, M. Ohtsu, H. Sasada

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)


We have measured the frequency of the P(27) line of H12C14N at 1556 nm, using the 778-nm two-photon transition of Rb as a frequency reference. The measured frequency was 192, 622, 446.9 ± 0.1 MHz. We believe that this experiment is the f irst absolute frequency measurement of a laser stabilized to a saturation dip at 1.5 μm and also the most accurate measurement of a 1.5-μm optical frequency.

Original languageEnglish
Pages (from-to)2024-2026
Number of pages3
JournalOptics Letters
Issue number19
Publication statusPublished - 1995 Oct

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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