Polarization switching in the 2‐µm Tm:KLu(WO4)2 laser

We report on polarization switching in the Tm:KLu(WO4)2 laser between the Nm and Np states oscillating at different wavelengths: 1946 nm for Nm and 1922 nm for Np. There is a certain power range where the two laser polarizations coexist in this biaxial crystal. The switching strongly depends on the...

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Veröffentlicht in:	Laser physics letters 2012-02, Vol.9 (2), p.104-109
Hauptverfasser:	Segura, M., Kadankov, M., Mateos, X., Pujol, M.C., Carvajal, J.J., Aguiló, M., Díaz, F., Griebner, U., Petrov, V.
Format:	Artikel
Sprache:	eng
Schlagworte:	diode‐pumped solid‐state lasers dual wavelength polarization switching
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Zusammenfassung:	We report on polarization switching in the Tm:KLu(WO4)2 laser between the Nm and Np states oscillating at different wavelengths: 1946 nm for Nm and 1922 nm for Np. There is a certain power range where the two laser polarizations coexist in this biaxial crystal. The switching strongly depends on the thermal management of the active medium through either the mode matching between the pump and the laser beams or the cooling of the crystal faces. (© 2012 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA) (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA)
ISSN:	1612-2011 1612-202X
DOI:	10.1002/lapl.201110103