High sensitivity trace gas detection by cantilever-enhanced photoacoustic spectroscopy using a mid-infrared continuous-wave optical parametric oscillator

Jari Peltola; Markku Vainio; Tuomas Hieta; Juho Uotila; Sauli Sinisalo; Markus Metsälä; Mikael Siltanen; Lauri Halonen

doi:10.1364/OE.21.010240

High sensitivity trace gas detection by cantilever-enhanced photoacoustic spectroscopy using a mid-infrared continuous-wave optical parametric oscillator

Jari Peltola, Markku Vainio, Tuomas Hieta, Juho Uotila, Sauli Sinisalo, Markus Metsälä, Mikael Siltanen, Lauri Halonen

Research output: Contribution to journal › Article › Scientific › peer-review

59 Citations (Scopus)

Abstract

Highly sensitive cantilever-enhanced photoacoustic detection of hydrogen cyanide and methane in the mid-infrared region is demonstrated. A mid-infrared continuous-wave frequency tunable optical parametric oscillator was used as a light source in the experimental setup. Noise equivalent detection limits of 190 ppt (1 s) and 65 ppt (30 s) were achieved for HCN and CH4, respectively. The normalized noise equivalent absorption coefficient is 1.8 × 10⁻⁹ W cm⁻¹ Hz^−1/2.

Original language	English
Pages (from-to)	10240-10250
Journal	Optics Express
Volume	21
Issue number	8
DOIs	https://doi.org/10.1364/OE.21.010240
Publication status	Published - 2013
MoE publication type	A1 Journal article-refereed

Keywords

spectroscopy
photothermal
parametric oscillators
laser sensors

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10.1364/OE.21.010240

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title = "High sensitivity trace gas detection by cantilever-enhanced photoacoustic spectroscopy using a mid-infrared continuous-wave optical parametric oscillator",

abstract = "Highly sensitive cantilever-enhanced photoacoustic detection of hydrogen cyanide and methane in the mid-infrared region is demonstrated. A mid-infrared continuous-wave frequency tunable optical parametric oscillator was used as a light source in the experimental setup. Noise equivalent detection limits of 190 ppt (1 s) and 65 ppt (30 s) were achieved for HCN and CH4, respectively. The normalized noise equivalent absorption coefficient is 1.8 × 10−9 W cm−1 Hz−1/2.",

keywords = "spectroscopy, photothermal, parametric oscillators, laser sensors",

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year = "2013",

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T1 - High sensitivity trace gas detection by cantilever-enhanced photoacoustic spectroscopy using a mid-infrared continuous-wave optical parametric oscillator

AU - Peltola, Jari

AU - Vainio, Markku

AU - Hieta, Tuomas

AU - Uotila, Juho

AU - Sinisalo, Sauli

AU - Metsälä, Markus

AU - Siltanen, Mikael

AU - Halonen, Lauri

PY - 2013

Y1 - 2013

N2 - Highly sensitive cantilever-enhanced photoacoustic detection of hydrogen cyanide and methane in the mid-infrared region is demonstrated. A mid-infrared continuous-wave frequency tunable optical parametric oscillator was used as a light source in the experimental setup. Noise equivalent detection limits of 190 ppt (1 s) and 65 ppt (30 s) were achieved for HCN and CH4, respectively. The normalized noise equivalent absorption coefficient is 1.8 × 10−9 W cm−1 Hz−1/2.

AB - Highly sensitive cantilever-enhanced photoacoustic detection of hydrogen cyanide and methane in the mid-infrared region is demonstrated. A mid-infrared continuous-wave frequency tunable optical parametric oscillator was used as a light source in the experimental setup. Noise equivalent detection limits of 190 ppt (1 s) and 65 ppt (30 s) were achieved for HCN and CH4, respectively. The normalized noise equivalent absorption coefficient is 1.8 × 10−9 W cm−1 Hz−1/2.

KW - spectroscopy

KW - photothermal

KW - parametric oscillators

KW - laser sensors

U2 - 10.1364/OE.21.010240

DO - 10.1364/OE.21.010240

M3 - Article

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SP - 10240

EP - 10250

JO - Optics Express

JF - Optics Express

IS - 8

ER -

High sensitivity trace gas detection by cantilever-enhanced photoacoustic spectroscopy using a mid-infrared continuous-wave optical parametric oscillator

Abstract

Keywords

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