High-power widely tunable Tm:fibre lasers pumped by an Er, Yb co-doped fibre laser at 1.6 microns


Shen, D.Y., Sahu, J.K. and Clarkson, W.A. (2006) High-power widely tunable Tm:fibre lasers pumped by an Er, Yb co-doped fibre laser at 1.6 microns. Optics Express, 14, (13), 6084-6090.

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Description/Abstract

High-power and widely tunable Tm-doped silica fibre lasers cladding-pumped and core-pumped by a 1565 nm Er,Yb fibre laser are reported. Output power up to 19.2W was generated from the cladding pumped cavity configuration for ~38.2W of launched pump power and with slope efficiency up to ~72% with respect to absorbed pump power. Wavelength tuning was realized by use of an external cavity containing a diffraction grating. A maximum output power of 17.4 W at 1941 nm was generated for 38.2 W of launched pump power and the operating wavelength could be tuned over 202 nm from 1859 to 2061 nm. In the corepumped configuration, a maximum output power of 12.1 W was generated at 1851 nm for 23.1 W absorbed pump power using a simple free-running cavity configuration with only ~24 cm of Tm-doped fibre. By employing a tunable cavity configuration, the operating wavelength of the core-pumped Tm:fibre laser could be tuned over 250 nm from 1723-1973 nm at multiwatt power levels.

Item Type: Article
Related URLs:
Subjects: Q Science
T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 42426
Date Deposited: 12 Dec 2006
Last Modified: 27 Mar 2014 18:27
URI: http://eprints.soton.ac.uk/id/eprint/42426

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