Scientific Results

Narrow (H2O)-O-18 lines and new absolute frequency references in the near-IR

Year: 2000

Authors: Gagliardi G., Rusciano G., Gianfrani L.

Autors Affiliation: INFM – Dipto. Sci. Fisiche dell

Abstract: We report on saturated-absorption spectroscopy of (H2O)-O-18 at 1.39 mu m by means of a low-power distributed feedback diode laser. In the transit-time regime, we observed a 2.5 MHz wide line. This is the first narrow resonance in the spectral window around 1.4 mu m. Possible applications in metrology are discussed. In addition, we propose some experimental schemes to measure the absolute frequency of (H2O)-O-18 lines in this spectral region.

Journal/Review: JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS

Volume: 2 (4)      Pages from: 310  to: 313

KeyWords: Absorption spectroscopy; Distributed feedback lasers; Frequency reference; Optical cavities; Saturation spectroscopy; Semiconductor lasers
DOI: 10.1088/1464-4258/2/4/312

Citations: 6
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