Low-threshold random laser with one mirror and feedbacks in PMMA nano-composite films

Xiao Hong Sun, Xiaoming Tao, Pu Xue, Kai Cheong Kwan, Jian Guo Deng

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)


A low-threshold random laser with one mirror and feedback is investigated in the PMMA film containing rhodamine 590 and TiO2nano-particles. Incoherent and coherent laser emission is observed. Effect of particle concentration on light emission is explored, and the optimum particle concentration is obtained. Optical microscopy and scanning probe microscopy are used to investigate the film structure, and the principle of incoherent and coherent laser is analysed.
Original languageEnglish
Pages (from-to)2568-2570
Number of pages3
JournalChinese Physics Letters
Issue number10
Publication statusPublished - 1 Oct 2005

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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