Abstract

Here we report electric-field-induced, wavelength-tunable random lasing action in a liquid-crystal infiltrated disordered planar microcavity. With the increasing of external voltage from 0Vto30V, the emission wavelength of the random laser was continuously tuned from 648nmto597nm. It was also tuned back to 648nm again by reducing the voltage back to 0V.

© 2009 Optical Society of America

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