Continuous-wave oscillation of Tm3+-doped fluorozirconate fibre lasers at around 1.47µm, 1.9µm and 2.3µm when pumped at 790nm


Smart, Richard G., Carter, Jeremy N., Tropper, Anne C. and Hanna, David C. (1991) Continuous-wave oscillation of Tm3+-doped fluorozirconate fibre lasers at around 1.47µm, 1.9µm and 2.3µm when pumped at 790nm. Optics Communications, 82, (5-6), 563-570. (doi:10.1016/0030-4018(91)90381-M).

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Description/Abstract

Continuous operation of Tm3+-doped fluorozirconate fibre lasers at around 1.47m, 1.9µm and 2.3µm has been demonstrated when pumping at around 790nm with a Ti:sapphire laser. The efficiency of the 1.9 µm 3H4 - 3H6, transition was found to be significantly increased by enforcing simultaneous oscillation on the 3F4 - 3H5 transition at 2.3µm as this effectively enhances the branching ratio for pumping the 3H4 level. An upconversion process leading to blue emission has also been observed. The efficiency of this process is enhanced by more than an order of magnitude as soon as laser oscillation takes place at 2.3 µm, indicating the potential application of manipulating branching ratios via lasing.

Item Type: Article
ISSNs: 0030-4018 (print)
1873-0310 (electronic)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78583
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:59
URI: http://eprints.soton.ac.uk/id/eprint/78583

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