Spatially band-tunable color-cone lasing emission in a dye-doped cholesteric liquid crystal with a photoisomerizable chiral dopant

C. R. Lee; S. H. Lin; H. S. Ku; J. H. Liu; P. C. Yang; C. Y. Huang; H. C. Yeh; T. D. Ji; C. H. Lin

doi:10.1364/OL.35.001398

Spatially band-tunable color-cone lasing emission in a dye-doped cholesteric liquid crystal with a photoisomerizable chiral dopant

C. R. Lee
, S. H. Lin
, H. S. Ku
, J. H. Liu
, P. C. Yang
, C. Y. Huang
, H. C. Yeh
, T. D. Ji
, C. H. Lin

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

11 Citations (Scopus)

Abstract

This study investigates a spatially band-tunable color-cone lasing emission (CCLE) based on a dye-doped cholesteric liquid crystal with a photoisomerizable chiral dopant (IBM). Experimental results show that the lasing band of the formed CCLE of the cell with a photoinduced pitch gradient can be spatially tuned among various color regions by adjusting the pumped position of the cell. The spatially band tunability of the laser results from the UV-irradiation- induced decrease of the helical twisting power of IBM via trans→cis isomerization, accordingly shrinking the pitch of the cholesteric-liquid-crystal host. The total spatially tunable wavelength range for the laser exceeds 100 nm.

Original language	English
Pages (from-to)	1398-1400
Number of pages	3
Journal	Optics Letters
Volume	35
Issue number	9
DOIs	https://doi.org/10.1364/OL.35.001398
Publication status	Published - 2010 May 1

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.35.001398

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title = "Spatially band-tunable color-cone lasing emission in a dye-doped cholesteric liquid crystal with a photoisomerizable chiral dopant",

abstract = "This study investigates a spatially band-tunable color-cone lasing emission (CCLE) based on a dye-doped cholesteric liquid crystal with a photoisomerizable chiral dopant (IBM). Experimental results show that the lasing band of the formed CCLE of the cell with a photoinduced pitch gradient can be spatially tuned among various color regions by adjusting the pumped position of the cell. The spatially band tunability of the laser results from the UV-irradiation- induced decrease of the helical twisting power of IBM via trans→cis isomerization, accordingly shrinking the pitch of the cholesteric-liquid-crystal host. The total spatially tunable wavelength range for the laser exceeds 100 nm.",

author = "Lee, \{C. R.\} and Lin, \{S. H.\} and Ku, \{H. S.\} and Liu, \{J. H.\} and Yang, \{P. C.\} and Huang, \{C. Y.\} and Yeh, \{H. C.\} and Ji, \{T. D.\} and Lin, \{C. H.\}",

year = "2010",

month = may,

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doi = "10.1364/OL.35.001398",

language = "English",

volume = "35",

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journal = "Optics Letters",

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AU - Lee, C. R.

AU - Lin, S. H.

AU - Ku, H. S.

AU - Liu, J. H.

AU - Yang, P. C.

AU - Huang, C. Y.

AU - Yeh, H. C.

AU - Ji, T. D.

AU - Lin, C. H.

PY - 2010/5/1

Y1 - 2010/5/1

N2 - This study investigates a spatially band-tunable color-cone lasing emission (CCLE) based on a dye-doped cholesteric liquid crystal with a photoisomerizable chiral dopant (IBM). Experimental results show that the lasing band of the formed CCLE of the cell with a photoinduced pitch gradient can be spatially tuned among various color regions by adjusting the pumped position of the cell. The spatially band tunability of the laser results from the UV-irradiation- induced decrease of the helical twisting power of IBM via trans→cis isomerization, accordingly shrinking the pitch of the cholesteric-liquid-crystal host. The total spatially tunable wavelength range for the laser exceeds 100 nm.

AB - This study investigates a spatially band-tunable color-cone lasing emission (CCLE) based on a dye-doped cholesteric liquid crystal with a photoisomerizable chiral dopant (IBM). Experimental results show that the lasing band of the formed CCLE of the cell with a photoinduced pitch gradient can be spatially tuned among various color regions by adjusting the pumped position of the cell. The spatially band tunability of the laser results from the UV-irradiation- induced decrease of the helical twisting power of IBM via trans→cis isomerization, accordingly shrinking the pitch of the cholesteric-liquid-crystal host. The total spatially tunable wavelength range for the laser exceeds 100 nm.

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AN - SCOPUS:77954940502

SN - 0146-9592

VL - 35

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EP - 1400

JO - Optics Letters

JF - Optics Letters

IS - 9

ER -

Spatially band-tunable color-cone lasing emission in a dye-doped cholesteric liquid crystal with a photoisomerizable chiral dopant

Abstract

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