Title :
Degree of mode localization in Random lasing from ZnO nanoparticles
Author :
Fallert, Johannes ; Sartor, Janos ; Dietz, Roman J B ; Schneider, Daniel ; Zalamai, Victor ; Klingshirn, Claus ; Kalt, Heinz
Author_Institution :
Inst. fur Angewandte Phys., Univ. Karlsruhe (TH), Karlsruhe, Germany
Abstract :
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.
Keywords :
II-VI semiconductors; laser modes; nanoparticles; nanophotonics; random media; wide band gap semiconductors; zinc compounds; ZnO; degree of localization; ensemble area; localized-extended mode coexistence; nanoparticles; random laser modes; Laser modes; Nanoparticles; Optical resonators; Optical scattering; Particle scattering; Powders; Resonance light scattering; Scanning electron microscopy; Spatial resolution; Zinc oxide; 140.3380; 160.4236; 290.7050;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
