Narrow lamb dip of 3.4 μm band transition of methane with difference frequency generation and enhancement cavity

Kenji Anzai; Xiaoming Gao; Hiroyuki Sasada; Naohiro Yoshida

doi:10.1143/JJAP.45.2771

Narrow lamb dip of 3.4 μm band transition of methane with difference frequency generation and enhancement cavity

Kenji Anzai
, Xiaoming Gao
, Hiroyuki Sasada
, Naohiro Yoshida

物理学科

研究成果: Article › 査読

9 被引用数 (Scopus)

抄録

We have developed a sub-Doppler-resolution spectrometer tunable in the 3.4 μm region on the basis of difference frequency generation and an enhancement cavity cell. The spectrometer has allowed us to record the Lamb dips of the V₃ fundamental band of methane even with an IR power level of 3.9 μW, and the linewidth of the Lamb dips can be as narrow as 0.33 MHz. The spectrometer is also so sensitive that a Lamb dip of a less abundant isotopomer, ¹³CH₄, has been successfully observed.

本文言語	English
ページ（範囲）	2771-2775
ページ数	5
ジャーナル	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
巻	45
号	4 A
DOI	https://doi.org/10.1143/JJAP.45.2771
出版ステータス	Published - 2006 4月 7

ASJC Scopus subject areas

工学一般
物理学および天文学一般

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title = "Narrow lamb dip of 3.4 μm band transition of methane with difference frequency generation and enhancement cavity",

abstract = "We have developed a sub-Doppler-resolution spectrometer tunable in the 3.4 μm region on the basis of difference frequency generation and an enhancement cavity cell. The spectrometer has allowed us to record the Lamb dips of the V3 fundamental band of methane even with an IR power level of 3.9 μW, and the linewidth of the Lamb dips can be as narrow as 0.33 MHz. The spectrometer is also so sensitive that a Lamb dip of a less abundant isotopomer, 13CH4, has been successfully observed.",

keywords = "Cavity-enhanced spectroscopy, Difference frequency generation, Laser spectroscopy, Linewidth, Methane, Mid-IR, Saturation spectroscopy",

author = "Kenji Anzai and Xiaoming Gao and Hiroyuki Sasada and Naohiro Yoshida",

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T1 - Narrow lamb dip of 3.4 μm band transition of methane with difference frequency generation and enhancement cavity

AU - Anzai, Kenji

AU - Gao, Xiaoming

AU - Sasada, Hiroyuki

AU - Yoshida, Naohiro

PY - 2006/4/7

Y1 - 2006/4/7

N2 - We have developed a sub-Doppler-resolution spectrometer tunable in the 3.4 μm region on the basis of difference frequency generation and an enhancement cavity cell. The spectrometer has allowed us to record the Lamb dips of the V3 fundamental band of methane even with an IR power level of 3.9 μW, and the linewidth of the Lamb dips can be as narrow as 0.33 MHz. The spectrometer is also so sensitive that a Lamb dip of a less abundant isotopomer, 13CH4, has been successfully observed.

AB - We have developed a sub-Doppler-resolution spectrometer tunable in the 3.4 μm region on the basis of difference frequency generation and an enhancement cavity cell. The spectrometer has allowed us to record the Lamb dips of the V3 fundamental band of methane even with an IR power level of 3.9 μW, and the linewidth of the Lamb dips can be as narrow as 0.33 MHz. The spectrometer is also so sensitive that a Lamb dip of a less abundant isotopomer, 13CH4, has been successfully observed.

KW - Cavity-enhanced spectroscopy

KW - Difference frequency generation

KW - Laser spectroscopy

KW - Linewidth

KW - Methane

KW - Mid-IR

KW - Saturation spectroscopy

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UR - https://www.scopus.com/pages/publications/33645677298#tab=citedBy

U2 - 10.1143/JJAP.45.2771

DO - 10.1143/JJAP.45.2771

M3 - Article

AN - SCOPUS:33645677298

SN - 0021-4922

VL - 45

SP - 2771

EP - 2775

JO - Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

JF - Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

IS - 4 A

ER -

Narrow lamb dip of 3.4 μm band transition of methane with difference frequency generation and enhancement cavity

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