Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 2, 2007
|
|
---|---|---|
Article Number | 07023 | |
Number of page(s) | 6 | |
DOI | https://doi.org/10.2971/jeos.2007.07023 | |
Published online | 31 July 2007 |
Regular papers
Mode suppression in a microcavity solid-state dye laser
1
Royal Institute of Technology (KTH), Department of Microelectronics and Applied Physics, Electrum 229, SE-164 40 Kista, Sweden
2
Waterford Institute of Technology, Cork Road, Waterford, Ireland
Received:
1
June
2007
A solid-state dye laser with a microcavity whose size is comparable to the lasing wavelength, is modeled by means of the finite element method. The position of the pumping source affects the lasing mode spectrum. In comparison with a single point source at the edge of the cavity, a random distribution of excitation sources in the central gain part of the microcavity leads to suppression of odd longitudinal modes and to higher output efficiency of the laser radiation in even modes. The modeling and simulation results are explained by simple physical considerations.
Key words: microcavity / solid-state dye laser / mode depletion
© The Author(s) 2007. All rights reserved.
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