Pulsed quantum cascade laser based hypertemporal real-time headspace measurements

Toby K. Boyson; Dylan R. Rittman; Thomas G. Spence; Maria E. Calzada; Abhijit G. Kallapur; Ian R. Petersen; K. Paul Kirkbride; David S. Moore; Charles C. Harb

doi:10.1364/OE.22.010519

Pulsed quantum cascade laser based hypertemporal real-time headspace measurements

Toby K. Boyson, Dylan R. Rittman, Thomas G. Spence, Maria E. Calzada, Abhijit G. Kallapur, Ian R. Petersen, K. Paul Kirkbride, David S. Moore, Charles C. Harb

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

6 Citations (Scopus)

Abstract

Optical cavity enhancement is a highly desirable process to make sensitive direct-absorption spectroscopic measurements of unknown substances, such as explosives, illicit material, or other species of interest. This paper reports advancements in the development of real-time cavity ringdown spectroscopy over a wide-bandwidth, with the aim to make headspace measurements of molecules at trace levels. We report results of two pulsed quantum cascade systems operating between (1200 to 1320)cm-1 and (1316 to 1613)cm-1 that measure the headspace of nitromethane, acetonitrile, acetone, and nitroglycerin, where the spectra are obtained in less than four seconds and contain at least 150,000 spectral wavelength datapoints.

Original language	English
Pages (from-to)	10519-10534
Number of pages	16
Journal	Optics Express
Volume	22
Issue number	9
DOIs	https://doi.org/10.1364/OE.22.010519
Publication status	Published - 2014
Externally published	Yes

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title = "Pulsed quantum cascade laser based hypertemporal real-time headspace measurements",

abstract = "Optical cavity enhancement is a highly desirable process to make sensitive direct-absorption spectroscopic measurements of unknown substances, such as explosives, illicit material, or other species of interest. This paper reports advancements in the development of real-time cavity ringdown spectroscopy over a wide-bandwidth, with the aim to make headspace measurements of molecules at trace levels. We report results of two pulsed quantum cascade systems operating between (1200 to 1320)cm-1 and (1316 to 1613)cm-1 that measure the headspace of nitromethane, acetonitrile, acetone, and nitroglycerin, where the spectra are obtained in less than four seconds and contain at least 150,000 spectral wavelength datapoints.",

author = "Boyson, {Toby K.} and Rittman, {Dylan R.} and Spence, {Thomas G.} and Calzada, {Maria E.} and Kallapur, {Abhijit G.} and Petersen, {Ian R.} and Kirkbride, {K. Paul} and Moore, {David S.} and Harb, {Charles C.}",

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doi = "10.1364/OE.22.010519",

language = "English",

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AU - Boyson, Toby K.

AU - Rittman, Dylan R.

AU - Spence, Thomas G.

AU - Calzada, Maria E.

AU - Kallapur, Abhijit G.

AU - Petersen, Ian R.

AU - Kirkbride, K. Paul

AU - Moore, David S.

AU - Harb, Charles C.

PY - 2014

Y1 - 2014

N2 - Optical cavity enhancement is a highly desirable process to make sensitive direct-absorption spectroscopic measurements of unknown substances, such as explosives, illicit material, or other species of interest. This paper reports advancements in the development of real-time cavity ringdown spectroscopy over a wide-bandwidth, with the aim to make headspace measurements of molecules at trace levels. We report results of two pulsed quantum cascade systems operating between (1200 to 1320)cm-1 and (1316 to 1613)cm-1 that measure the headspace of nitromethane, acetonitrile, acetone, and nitroglycerin, where the spectra are obtained in less than four seconds and contain at least 150,000 spectral wavelength datapoints.

AB - Optical cavity enhancement is a highly desirable process to make sensitive direct-absorption spectroscopic measurements of unknown substances, such as explosives, illicit material, or other species of interest. This paper reports advancements in the development of real-time cavity ringdown spectroscopy over a wide-bandwidth, with the aim to make headspace measurements of molecules at trace levels. We report results of two pulsed quantum cascade systems operating between (1200 to 1320)cm-1 and (1316 to 1613)cm-1 that measure the headspace of nitromethane, acetonitrile, acetone, and nitroglycerin, where the spectra are obtained in less than four seconds and contain at least 150,000 spectral wavelength datapoints.

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DO - 10.1364/OE.22.010519

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VL - 22

SP - 10519

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JO - Optics Express

JF - Optics Express

IS - 9

ER -

Pulsed quantum cascade laser based hypertemporal real-time headspace measurements

Abstract

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