Vol. 21 No. 4 (2011)
Papers

Random Lasing from a Layer of ZnO Powder Painted on Glass Substrate under Excitation of Nanosecond and Picosecond Laser Pulses

Published 09-01-2012

Keywords

  • random laser,
  • resonant feedback,
  • spherical nanoparticles

How to Cite

Binh, N. T., Thin, P. V., Nga, P. T., & Tuan, N. A. (2012). Random Lasing from a Layer of ZnO Powder Painted on Glass Substrate under Excitation of Nanosecond and Picosecond Laser Pulses. Communications in Physics, 21(4), 353. https://doi.org/10.15625/0868-3166/21/4/357

Abstract

The ZnO powder which consists of monodisperse colloidal spheres with average diameter of 100-300 nm was synthesized by hydrolysis of Zinc acetate dehydrate. The random lasing around 380 nm was produced from a layer of the ZnO powder painted on a glass substrate and optically pumped at 355 nm. Our experimental results show that random laser action of a layer of ZnO spherical nanoparticles and the characteristics of these random lasers under excitation of nanosecond and picosecond laser pulses.

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