Lasing in photonic crystals based on dye-doped liquid crystal films

Tsung Hsien Lin, Yi Jan Chen, Chun Hui Wu, J. H. Liu, P. C. Yang, Andy Y.G. Fuh

Research output: Contribution to journalConference article

Abstract

This letter examines a planar cholesteric cell (CLC) doped with a collocation of two laser dyes as a one-dimensional photonic crystal. Adding the photo-tunable chiral material-AzoB allows the CLC photonic crystal can be lased at the band edges of the photonic band gap with a tuning range of over 100nm. Tuning is performed by irradiating the chiral AzoB material with UV light so that it undergoes trans-cis isomerization in the CLC film. The tuning range is the visible region from 563nm to 667nm. Moreover, the tuning is reversible.

Original languageEnglish
Article number19
Pages (from-to)128-134
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5741
DOIs
Publication statusPublished - 2005 Aug 22
EventEmerging Liquid Crystal Technologies - San Jose, CA, United States
Duration: 2005 Jan 252005 Jan 27

Fingerprint

Liquid Crystals
Dyes
Photonic crystals
Photonic Crystal
doped crystals
Liquid Crystal
Liquid crystals
lasing
Tuning
Coloring Agents
dyes
liquid crystals
tuning
photonics
crystals
Cell
cells
Photonic band gap
Photonic Band Gap
Dye lasers

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Lin, Tsung Hsien ; Chen, Yi Jan ; Wu, Chun Hui ; Liu, J. H. ; Yang, P. C. ; Fuh, Andy Y.G. / Lasing in photonic crystals based on dye-doped liquid crystal films. In: Proceedings of SPIE - The International Society for Optical Engineering. 2005 ; Vol. 5741. pp. 128-134.
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Lasing in photonic crystals based on dye-doped liquid crystal films. / Lin, Tsung Hsien; Chen, Yi Jan; Wu, Chun Hui; Liu, J. H.; Yang, P. C.; Fuh, Andy Y.G.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 5741, 19, 22.08.2005, p. 128-134.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Lasing in photonic crystals based on dye-doped liquid crystal films

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AU - Wu, Chun Hui

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AU - Yang, P. C.

AU - Fuh, Andy Y.G.

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AB - This letter examines a planar cholesteric cell (CLC) doped with a collocation of two laser dyes as a one-dimensional photonic crystal. Adding the photo-tunable chiral material-AzoB allows the CLC photonic crystal can be lased at the band edges of the photonic band gap with a tuning range of over 100nm. Tuning is performed by irradiating the chiral AzoB material with UV light so that it undergoes trans-cis isomerization in the CLC film. The tuning range is the visible region from 563nm to 667nm. Moreover, the tuning is reversible.

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