| dc.contributor.author | HEGARTY, JOHN | en |
| dc.date.accessioned | 2006-05-31T04:18:49Z | |
| dc.date.available | 2006-05-31T04:18:49Z | |
| dc.date.issued | 1997 | en |
| dc.date.submitted | 1997 | en |
| dc.identifier.citation | V. Weldon, J. O?Gorman, J. J. P'erez-Camacho, D. McDonald, J. Hegarty, and B. Corbett, Methane Sensing with a Novel Micromachined. Single-Frequency Fabry?Perot Laser Diode. Emitting at 1331 nm., IEEE Photonics Technology Letters, 9, 3, 1997, 357, 359 | en |
| dc.identifier.other | Y | en |
| dc.identifier.uri | http://hdl.handle.net/2262/677 | |
| dc.description | PUBLISHED | en |
| dc.description.abstract | Spectroscopic-based gas sensing is demonstrated using micromachined single-frequency Fabry-Perot (FP) laser diodes emitting at 1.331 ?m with a side mode suppression ratio of greater than 24 dB over a significant emission wavelength tuning range. The utility of these novel mode controlled FP lasers for spectroscopic detection of gases is assessed by investigating the methane-absorption band in the 1.33 ?m region. By probing the narrow linewidth R2 rotational absorption line, we demonstrate a low gas detection limit of 28 ppm?m and confirm the suitability of micromachined lasers in such applications. | en |
| dc.format.extent | 357 | en |
| dc.format.extent | 359 | en |
| dc.format.mimetype | application/pdf | |
| dc.language.iso | en | en |
| dc.relation.ispartofseries | IEEE Photonics Technology Letters | en |
| dc.relation.ispartofseries | 9 | en |
| dc.relation.ispartofseries | 3 | en |
| dc.rights | Y | en |
| dc.subject | Photonics | en |
| dc.title | Methane Sensing with a Novel Micromachined. Single-Frequency Fabry?Perot Laser Diode. Emitting at 1331 nm. | en |
| dc.type | Journal Article | en |
| dc.type.supercollection | scholarly_publications | en |
| dc.type.supercollection | refereed_publications | en |
| dc.identifier.peoplefinderurl | http://people.tcd.ie/jhegarty | en |
| dc.identifier.rssinternalid | 842 | en |
