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Proceedings Paper

Tunability of a 2 um TmHo laser
Author(s): Heinz P. Weber; Willy A.R. Luethy
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Paper Abstract

In this paper we show that 2 micrometers Tm3+:Ho3+ silica fiber lasers have promising properties for applications in laser medicine and in lidar applications. 2 micrometers lasers are interesting for measurements in the atmosphere since in this range there are several absorption lines of water vapor. 2 micrometers lasers can be used for lidar applications if their wavelength can be controlled. In contrast to crystal lasers glass fiber lasers can be tuned continuously over a range of about 80 nm. The excitation can be performed in a wide range of pump wavelengths and with different geometrical arrangements. With Ti:sapphire pumping a laser output of 71 mW with a slope efficiency of 17.5 percent has been reached. The possibility of side-pumping together with the development of fibers with lower losses will allow to reach the power levels that are necessary for the mentioned applications.

Paper Details

Date Published: 1 November 1997
PDF: 9 pages
Proc. SPIE 3176, Tunable Solid State Lasers, (1 November 1997); doi: 10.1117/12.293475
Show Author Affiliations
Heinz P. Weber, Univ. of Bern (Switzerland)
Willy A.R. Luethy, Univ. of Bern (Switzerland)


Published in SPIE Proceedings Vol. 3176:
Tunable Solid State Lasers
Wieslaw Strek; Edward Lukowiak; Barbara Nissen-Sobocinska, Editor(s)

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