Gambling, W.A. and Townsend, J.E.
Novel glasses for miniature lasers and amplifiers.
In, JFIT Annual Conference, Keele, United Kingdom,
23 - 24 Mar 1993.
Waveguide lasers and amplifiers possess the very powerful advantage that the gain medium is contained within a narrow waveguide. The close overlap between the lasing ions and pump and signal radiation leads to high intensities and good transverse mode control. Combined with excellent thermal stability these features provide high efficiency, cw operation and low threshold at room temperature with diode-pumping. Further, doped glass fibres are small, robust, flexible and relatively cheap
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