"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, Robert P. H. Chang

Research output: Chapter in Book/Report/Conference proceedingChapter


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
Title of host publicationMaterials Research Society Symposium - Proceedings
Number of pages3
Publication statusPublished - 1999


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Cao, H., Zhao, Y. G., Ong, H. C., Dai, J. Y., Liu, X., Seelig, E. W., & Chang, R. P. H. (1999). "mirrorless" UV lasers in ZnO polycrystalline films and powder. In Materials Research Society Symposium - Proceedings (Vol. 536, pp. 477-479)