Polarization properties of dye-based random lasers

Sebastian Knitter; Michael Kues; Carsten Fallnich

doi:10.1117/12.2004506

6 March 2013 Polarization properties of dye-based random lasers

Sebastian Knitter, Michael Kues, Carsten Fallnich

Proceedings Volume 8622, Organic Photonic Materials and Devices XV; 86220E (2013) https://doi.org/10.1117/12.2004506
Event: SPIE OPTO, 2013, San Francisco, California, United States

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.

Citation Download Citation

Sebastian Knitter, Michael Kues, and Carsten Fallnich "Polarization properties of dye-based random lasers", Proc. SPIE 8622, Organic Photonic Materials and Devices XV, 86220E (6 March 2013); https://doi.org/10.1117/12.2004506

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