"mirrorless" UV lasers in ZnO polycrystalline films and powder

H. Cao*, Y. G. Zhao, H. C. Ong, J. Y. Dai, X. Liu, E. W. Seelig, R P H Chang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We report the first observation of ultraviolet lasing in ZnO powder and ZnO polycrystalline films grown on amorphous fused silica substrates. In the absence of any fabricated mirrors, laser action occurs in the closed loops formed by multiple optical scattering of light.

Original languageEnglish (US)
Pages (from-to)477-479
Number of pages3
JournalMaterials Research Society Symposium - Proceedings
StatePublished - Dec 1 1999

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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