Lasing in chiral photonic liquid crystals and associated frequency tuning

Andy Y.G. Fuh; Tsung Hsien Lin; J. H. Liu; F. C. Wu

doi:10.1364/OPEX.12.001857

Lasing in chiral photonic liquid crystals and associated frequency tuning

Andy Y.G. Fuh, Tsung Hsien Lin, J. H. Liu, F. C. Wu

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

63 Citations (Scopus)

Abstract

This letter addresses a dye-doped planar cholesteric cell as a one-dimensional photonic crystal, which can be lased at the band edges of the photonic band gap. The effect of the composition of the material and the thickness of a cholesteric cell (CLC) on the lasing action, and the photo-control of the lasing frequency, are experimentally investigated. Adding a tunable chiral monomer (TCM) allows the CLC's reflection band to be tuned by varying the intensity and/or exposure time of the UV curing light, enabling the lasing frequency of the CLC sample to be tuned.

Original language	English
Pages (from-to)	1857-1863
Number of pages	7
Journal	Optics Express
Volume	12
Issue number	9
DOIs	https://doi.org/10.1364/OPEX.12.001857
Publication status	Published - 2004 May

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OPEX.12.001857

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AB - This letter addresses a dye-doped planar cholesteric cell as a one-dimensional photonic crystal, which can be lased at the band edges of the photonic band gap. The effect of the composition of the material and the thickness of a cholesteric cell (CLC) on the lasing action, and the photo-control of the lasing frequency, are experimentally investigated. Adding a tunable chiral monomer (TCM) allows the CLC's reflection band to be tuned by varying the intensity and/or exposure time of the UV curing light, enabling the lasing frequency of the CLC sample to be tuned.

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Lasing in chiral photonic liquid crystals and associated frequency tuning

Abstract

All Science Journal Classification (ASJC) codes

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