Continuous spatial tuning of laser emissions with tuning resolution less than 1 nm in a wedge cell of dye-doped cholesteric liquid crystals

Mi Yun Jeong, J. W. Wu

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

We report the design and fabrication of a wedge structured CLC film incorporating a spatial gradient of a chiral dopant concentration. A continuous spatial laser tuning in the broad visible spectral range with tuning resolution less than 1 nm is demonstrated, which renders a CLC-based micron-sized laser an important continuously tunable laser device.

Original languageEnglish
Pages (from-to)24221-24228
Number of pages8
JournalOptics Express
Volume18
Issue number23
DOIs
StatePublished - 8 Nov 2010

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