"mirrorless" UV lasers in ZnO polycrystalline films and powder

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

Research output: Journal article publicationJournal articleAcademic researchpeer-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
Pages (from-to)477-479
Number of pages3
JournalMaterials Research Society Symposium - Proceedings
Publication statusPublished - 1 Dec 1999
Externally publishedYes

ASJC Scopus subject areas

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


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