Power scaling of Tm-doped fibre lasers using an all-fibre composite Michelson-type cavity
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha 410073 (China)
We report a 4-W all-fibre Tm-doped fibre laser using a composite cavity with a centre wavelength of 1952.02 nm. The composite cavity consists of two interferometric laser arms that are efficiently combined. Each interferometric laser arm contains a double-clad Tm-doped silica fibre operating in cw mode and pumped by pigtailed laser diodes with a centre wavelength of 793 nm. A high combining efficiency of 93.9 % and a narrow linewidth of 0.1 nm are obtained. The output power of the laser can be scaled straight forwardly by improving the pump power and optimising the component parameters at 2 μm (control of laser radiation parameters)
- OSTI ID:
- 22303372
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Vol. 43, Issue 9; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7818
- Country of Publication:
- United States
- Language:
- English
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