Real-time spectroscopy of novel solid state random lasers

Sara García-Revilla; Joaquín Fernández; Rolindes Balda; Marcos Zayat; David Levy

doi:10.1117/12.809032

6 February 2009 Real-time spectroscopy of novel solid state random lasers

Sara García-Revilla, Joaquín Fernández, Rolindes Balda, Marcos Zayat, David Levy

Proceedings Volume 7212, Optical Components and Materials VI; 72120K (2009) https://doi.org/10.1117/12.809032
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

Herein we report efficient random lasing in two powder samples containing rhodamine 6G (Rh6G) doped SiO₂ nanoparticles which are either directly dispersed within pure silica particles or embedded in a silica gel matrix which is subsequently ground. Basic properties of random lasing such as emission kinetics, emission spectrum, and stimulated emission threshold are investigated in both novel solid-state materials by real-time spectroscopy. The laser-like emission dynamics of the ground powder obtained out of a bulk silica gel containing 2% Rh6G-SiO₂ nanoparticles was accurately described by a light diffusive propagation model. The device behavior is close to a conventional ultrafast Q-switched laser, which is a very interesting feature aimed to further applications.

Citation Download Citation

Sara García-Revilla, Joaquín Fernández, Rolindes Balda, Marcos Zayat, and David Levy "Real-time spectroscopy of novel solid state random lasers", Proc. SPIE 7212, Optical Components and Materials VI, 72120K (6 February 2009); https://doi.org/10.1117/12.809032

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