Highly sensitive cavity-enhanced sub-doppler spectroscopy of a molecular overtone band with a 1.66 μm tlinable diode laser

Chikako Ishibashi; Hiroyuki Sasada

doi:10.1143/jjap.38.920

Highly sensitive cavity-enhanced sub-doppler spectroscopy of a molecular overtone band with a 1.66 μm tlinable diode laser

Chikako Ishibashi, Hiroyuki Sasada

研究成果: Article › 査読

35 被引用数 (Scopus)

抄録

Sensitive sub-Doppler resolution molecular spcctroscopy developed by Hall and co-workers [J. Opt. Soc. Am. B 15 (1998) 6] has been applied to the 1.66μm region using a widely tunable external-cavity diode laser. We have recorded saturated absorption spectra of the 2v₃vibrational overtone band of methane with a sensitivity of 9.5 × 10^-11 cm^-1 at a time constant of 1.25s and a spectral linewidth of 320 kHz (full width at half maximun; FWHM) over the tunable range of 1.63 to 1.68μm.

本文言語	English
ページ（範囲）	920-922
ページ数	3
ジャーナル	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
巻	38
号	2 A
DOI	https://doi.org/10.1143/jjap.38.920
出版ステータス	Published - 1999
外部発表	はい

ASJC Scopus subject areas

工学（全般）
物理学および天文学（全般）

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10.1143/jjap.38.920

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AB - Sensitive sub-Doppler resolution molecular spcctroscopy developed by Hall and co-workers [J. Opt. Soc. Am. B 15 (1998) 6] has been applied to the 1.66μm region using a widely tunable external-cavity diode laser. We have recorded saturated absorption spectra of the 2v3vibrational overtone band of methane with a sensitivity of 9.5 × 10-11 cm-1 at a time constant of 1.25s and a spectral linewidth of 320 kHz (full width at half maximun; FWHM) over the tunable range of 1.63 to 1.68μm.

KW - Diode laser spectroscopy

KW - Fm spectroscopy

KW - Infrared spectroscopy

KW - Saturation spectroscopy

KW - Sensitive spectroscopy

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Highly sensitive cavity-enhanced sub-doppler spectroscopy of a molecular overtone band with a 1.66 μm tlinable diode laser

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