FALLERT, Johannes; SARTOR, Janos; DIETZ, Roman J. B.; SCHNEIDER, Daniel; ZALAMAI, Victor; KLINGSHIRN, Claus; KALT, Heinz
(IEEE, 2009)
We present an experimental procedure to directly extract the degree of localization of random laser modes in ZnO powders. Strongly localized and extended modes are found to coexist within the same ensemble area.