Cavity ringdown spectroscopic detection of nitric oxide with a continuous-wave quantum-cascade laser

Anatoliy A. Kosterev; Alexander L. Malinovsky; Frank K. Tittel; Claire F. Gmachl; Federico Capasso; Deborah L. Sivco; James N. Baillargeon; Albert L. Hutchinson; Alfred Y. Cho

doi:10.1364/AO.40.005522

Cavity ringdown spectroscopic detection of nitric oxide with a continuous-wave quantum-cascade laser

Anatoliy A. Kosterev, Alexander L. Malinovsky, Frank K. Tittel, Claire F. Gmachl, Federico Capasso, Deborah L. Sivco, James N. Baillargeon, Albert L. Hutchinson, Alfred Y. Cho

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

165 Scopus citations

Abstract

A spectroscopic gas sensor for nitric oxide (NO) detection based on a cavity ringdown technique was designed and evaluated. A cw quantum-cascade distributed-feedback laser operating at 5.2 μm was used as a tunable single-frequency light source. Both laser-frequency tuning and abrupt interruptions of the laser radiation were performed through manipulation of the laser current. A single ringdown event sensitivity to absorption of 2.2 × 10⁻⁸ cm⁻¹ was achieved. Measurements of parts per billion (ppb) NO concentrations in N₂ with a 0.7-ppb standard error for a data collection time of 8 s have been performed. Future improvements are discussed that would allow quantification of NO in human breath.

Original language	English (US)
Pages (from-to)	5522-5529
Number of pages	8
Journal	Applied Optics
Volume	40
Issue number	30
DOIs	https://doi.org/10.1364/AO.40.005522
State	Published - Oct 10 2001

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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title = "Cavity ringdown spectroscopic detection of nitric oxide with a continuous-wave quantum-cascade laser",

abstract = "A spectroscopic gas sensor for nitric oxide (NO) detection based on a cavity ringdown technique was designed and evaluated. A cw quantum-cascade distributed-feedback laser operating at 5.2 μm was used as a tunable single-frequency light source. Both laser-frequency tuning and abrupt interruptions of the laser radiation were performed through manipulation of the laser current. A single ringdown event sensitivity to absorption of 2.2 × 10−8 cm−1 was achieved. Measurements of parts per billion (ppb) NO concentrations in N2 with a 0.7-ppb standard error for a data collection time of 8 s have been performed. Future improvements are discussed that would allow quantification of NO in human breath.",

author = "Kosterev, {Anatoliy A.} and Malinovsky, {Alexander L.} and Tittel, {Frank K.} and Gmachl, {Claire F.} and Federico Capasso and Sivco, {Deborah L.} and Baillargeon, {James N.} and Hutchinson, {Albert L.} and Cho, {Alfred Y.}",

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doi = "10.1364/AO.40.005522",

language = "English (US)",

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T1 - Cavity ringdown spectroscopic detection of nitric oxide with a continuous-wave quantum-cascade laser

AU - Kosterev, Anatoliy A.

AU - Malinovsky, Alexander L.

AU - Tittel, Frank K.

AU - Gmachl, Claire F.

AU - Capasso, Federico

AU - Sivco, Deborah L.

AU - Baillargeon, James N.

AU - Hutchinson, Albert L.

AU - Cho, Alfred Y.

PY - 2001/10/10

Y1 - 2001/10/10

N2 - A spectroscopic gas sensor for nitric oxide (NO) detection based on a cavity ringdown technique was designed and evaluated. A cw quantum-cascade distributed-feedback laser operating at 5.2 μm was used as a tunable single-frequency light source. Both laser-frequency tuning and abrupt interruptions of the laser radiation were performed through manipulation of the laser current. A single ringdown event sensitivity to absorption of 2.2 × 10−8 cm−1 was achieved. Measurements of parts per billion (ppb) NO concentrations in N2 with a 0.7-ppb standard error for a data collection time of 8 s have been performed. Future improvements are discussed that would allow quantification of NO in human breath.

AB - A spectroscopic gas sensor for nitric oxide (NO) detection based on a cavity ringdown technique was designed and evaluated. A cw quantum-cascade distributed-feedback laser operating at 5.2 μm was used as a tunable single-frequency light source. Both laser-frequency tuning and abrupt interruptions of the laser radiation were performed through manipulation of the laser current. A single ringdown event sensitivity to absorption of 2.2 × 10−8 cm−1 was achieved. Measurements of parts per billion (ppb) NO concentrations in N2 with a 0.7-ppb standard error for a data collection time of 8 s have been performed. Future improvements are discussed that would allow quantification of NO in human breath.

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Cavity ringdown spectroscopic detection of nitric oxide with a continuous-wave quantum-cascade laser

Abstract

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