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Proceedings Paper

Polarization properties of dye-based random lasers
Author(s): Sebastian Knitter; Michael Kues; Carsten Fallnich
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Paper Abstract

We present the first systematic study on the emission polarization of coherent random lasing (RL). Employing a single-shot spectro-polarimeter the complete polarization state and the degree of polarization could be recovered for individual RL modes. It turned out that the polarization of RL modes is strongly dependent on the pump polarization, which can be explained with the dipolar nature of the dye molecules. Furthermore, by using a highly viscous solvent for the laser-dye and a linear pump polarization, it was possible to force all random-lasing modes into just the same linear polarization.

Paper Details

Date Published: 6 March 2013
PDF: 6 pages
Proc. SPIE 8622, Organic Photonic Materials and Devices XV, 86220E (6 March 2013); doi: 10.1117/12.2004506
Show Author Affiliations
Sebastian Knitter, Westfälische Wilhelms-Univ. Münster (Germany)
Michael Kues, Westfälische Wilhelms-Univ. Münster (Germany)
Carsten Fallnich, Westfälische Wilhelms-Univ. Münster (Germany)


Published in SPIE Proceedings Vol. 8622:
Organic Photonic Materials and Devices XV
Christopher E. Tabor; François Kajzar; Toshikuni Kaino; Yasuhiro Koike, Editor(s)

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