Narrow linewidth, tunable Tm/sup 3+/-doped fluoride fiber laser for optical-based hydrocarbon gas sensing
- 1 August 1997
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Selected Topics in Quantum Electronics
- Vol. 3 (4), 1103-1111
- https://doi.org/10.1109/2944.649549
Abstract
Operation of an efficient continuous-wave (CW) thulium-doped fiber laser emitting at wavelength, /spl lambda/=2.31 /spl mu/m is reported. The fiber laser parameters are optimized with a view to ultimately producing a compact and efficient laser source for optical absorption based gas sensing. A number of fiber laser configurations are investigated to assess their suitability for narrow linewidth, tunable fiber laser operation emitting around /spl lambda/=2.3 /spl mu/m, which is a wavelength region of significant importance for hydrocarbon gas monitoring. Tuning ranges of 140 nm and linewidths of less than 210 MHz have been demonstrated with lasers with bulk external tuning grating. Preliminary hydrocarbon gas sensing investigation confirm the potential of this source for detection of ppb gas concentrations.Keywords
This publication has 25 references indexed in Scilit:
- Efficient diode pumped Tm3+-doped fluoride fibre laser for hydrocarbon gas sensingElectronics Letters, 1995
- CW room-temperature blue upconversion fibre laserElectronics Letters, 1992
- Highly efficient CW cascade operation of 1.47 and 1.82 μm transitions in Tm-doped fluoride fibre laserElectronics Letters, 1992
- Theoretical and experimental investigation of a resonantly pumped thulium doped fluorozirconate fiber amplifier at around 810 nmJournal of Lightwave Technology, 1991
- Thulium-doped monomode fluoride fibre laser broadly tunable from 2.25 to 2.5 μmElectronics Letters, 1991
- Highly tunable and efficient diode pumped operation of Tm3+doped fibre lasersElectronics Letters, 1990
- Tunable CW lasing around 0.82, 1.48, 1.88 and 2.35 μm in thulium-doped fluorozirconate fibreElectronics Letters, 1989
- Optical properties of Tm3+ ions in indium-based fluoride glassesJournal of Luminescence, 1988
- Continuous-wave oscillation of a monomode thulium-doped fibre laserElectronics Letters, 1988
- All-optical remote sensing of city gas through CH4 gas absorption employing a low-loss optical fiber link and an InGaAsP light-emitting diode in the near-infrared regionApplied Physics B Laser and Optics, 1987