dc.contributor.author |
Chandran, Satheesh |
|
dc.contributor.author |
Ruth, Albert A. |
|
dc.contributor.author |
Martin, Eamonn P. |
|
dc.contributor.author |
Alexander, Justin K. |
|
dc.contributor.author |
Peters, Frank H. |
|
dc.contributor.author |
Anandarajah, Prince M. |
|
dc.date.accessioned |
2019-12-05T14:47:09Z |
|
dc.date.available |
2019-12-05T14:47:09Z |
|
dc.date.issued |
2019-11-28 |
|
dc.identifier.citation |
Chandran, S., Ruth, A. A., Martin, E. P., Alexander, J. K., Peters, F. H. and Anandarajah, P. M. (2019) 'Off-Axis Cavity-Enhanced Absorption Spectroscopy of 14NH3 in Air Using a Gain-Switched Frequency Comb at 1.514 μm', Sensors, 19 (23), 5217 (15 pp). doi: 10.3390/s19235217 |
en |
dc.identifier.volume |
19 |
en |
dc.identifier.issued |
23 |
en |
dc.identifier.startpage |
1 |
en |
dc.identifier.endpage |
15 |
en |
dc.identifier.issn |
1424-8220 |
|
dc.identifier.uri |
http://hdl.handle.net/10468/9348 |
|
dc.identifier.doi |
10.3390/s19235217 |
en |
dc.description.abstract |
A custom-designed gain-switched frequency comb (GSFC) source was passively coupled to a medium finesse (F ≈ 522) cavity in off-axis configuration for the detection of ammonia (14NH3) in static dry air. The absorption of ammonia was detected in the near infrared spectral region between 6604 and 6607 cm−1 using a Fourier transform detection scheme. More than 30 lines of the GSFC output (free spectral range 2.5 GHz) overlapped with the strongest ro-vibrational ammonia absorption features in that spectral region. With the cavity in off-axis configuration, an NH3 detection limit of ∼3.7 ppmv in 20 s was accomplished in a laboratory environment. The experimental performance of the prototype spectrometer was characterized; advantages, drawbacks and the potential for future applications are discussed |
en |
dc.description.sponsorship |
Enterprise Ireland (EI Commercialisation Fund (CF 2017 0683)); |
en |
dc.format.mimetype |
application/pdf |
en |
dc.language.iso |
en |
en |
dc.publisher |
MDPI |
en |
dc.relation.uri |
https://www.mdpi.com/1424-8220/19/23/5217 |
|
dc.rights |
© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
en |
dc.subject |
Cavity-enhanced absorption spectroscopy |
en |
dc.subject |
Off-axis alignment |
en |
dc.subject |
Frequency comb |
en |
dc.subject |
Gain switching |
en |
dc.subject |
Near infrared (IR) range |
en |
dc.subject |
Fourier transform spectroscopy |
en |
dc.subject |
NH3 sensing |
en |
dc.subject |
Ammonia detection |
en |
dc.title |
Off-axis cavity-enhanced absorption spectroscopy of 14NH3 in air using a gain-switched frequency comb at 1.514 μm |
en |
dc.type |
Article (peer-reviewed) |
en |
dc.internal.authorcontactother |
Albert Ruth, Physics, University College Cork, Cork, Ireland. +353-21-490-3000 Email: a.ruth@ucc.ie |
en |
dc.internal.availability |
Full text available |
en |
dc.date.updated |
2019-12-05T14:39:26Z |
|
dc.description.version |
Published Version |
en |
dc.internal.rssid |
500168541 |
|
dc.contributor.funder |
Enterprise Ireland
|
en |
dc.contributor.funder |
Science Foundation Ireland
|
en |
dc.description.status |
Peer reviewed |
en |
dc.identifier.journaltitle |
Sensors |
en |
dc.internal.copyrightchecked |
No |
|
dc.internal.licenseacceptance |
Yes |
en |
dc.internal.IRISemailaddress |
a.ruth@ucc.ie |
en |
dc.internal.IRISemailaddress |
satheesh.chandran@ucc.ie |
en |
dc.internal.IRISemailaddress |
f.peters@ucc.ie |
en |
dc.identifier.articleid |
5217 |
en |
dc.relation.project |
info:eu-repo/grantAgreement/SFI/SFI Technology and Innovation Development Award (TIDA)/14/TIDA/2415/IE/Frequency comb sources for cutting-edge trace gas detection/
|
en |
dc.relation.project |
info:eu-repo/grantAgreement/SFI/SFI Career Development Award/15/CDA/3640/IE/PROgrammable multicarrier Transmitter for flexible Optical Networks (PROTON)/
|
en |