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.

© 2004 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]

Adv. Mater.

H. Finkelmann, S. T. Kim, A. Munoz, P. Palffy-Muhoray, and B. Taheri,�??Tunable mirrorless lasing inf cholesteric liquid crystalline elastomer,�?? Adv. Mater. 13, 1069 (2001).
[CrossRef]

M. Ozaki, M. Kasano, D. Ganzke, W. Hasse, and K. Yoshino,�?? Mirrorless lasing in a dye-doped ferroelectric liquid crystal,�?? Adv. Mater. 14, 306(2002).
[CrossRef]

J. Schmidtke, W. Stille,�??Laser emission in a dye doped cholesteric polymer network,�?? Adv. Mater. 14, 746 (2002).
[CrossRef]

Angew. Chem. int. Ed. Engl.

Solladie, G., and Zimmermann, R. G .,�?? Liquid Crystals: A tool for studies on chirality,�?? Angew. Chem. int. Ed. Engl. 23, 348 (1984).
[CrossRef]

Appl. Phys. Lett.

Seiichi Furumi, Shiyoshi Yokoyama, Akira Otomo, and Shinro Mashiko,�?? Electrical control of the structure and lasing in chiral photonic band-gap liquid crystals,�?? Appl. Phys. Lett. 82, 16(2003).
[CrossRef]

T. Matsui, R. Ozaki,�??Flexible mirrorless laser based on a free-standing film of photopolymerized cholesteric liquid crystal,�?? Appl. Phys. Lett. 81, 3741 (2002).
[CrossRef]

J. Appl. Phys.

J. P. Dowling, M. Scalora, M. J. Bloemer, and C. M. Bowden,�??The photonic band edge laser: a new approach to gain enhancement,�?? J. Appl. Phys. 75, 1896 (1994).
[CrossRef]

J. Appl. Polymer Sci.

Jui-Hsiang Liu, Jen-Chieh Shih, Chih-Hung Shih, and Wei-Ting Chen, �??Preparation and characterization of copolymers containing (+)-bornyl mthacrylate and their racemate for positive-tone photoresist,�?? J. Appl. Polymer Sci. 81, 3538(2001).

Opt. Lett.

Polymer International

Jui-Hsiang Liu, Hung-Tsai Liu, and Fu-Ren Tsai,�??Preparation and characterization of polymer-dispersed liquid crystal films using poly(bornyl methacrylate),�?? Polymer International 42, 385(1997).
[CrossRef]

Other

L. S. Goldberg and J. M. Schnur, �??Tunable internal-feedback liquid crystal laser,�?? U.S. patent 3,771,065 (Novemer 6, 1973).

L. M. Blinov and V. G. Chigrinov, Electrooptic effects in liquid crystal materials, (Springer-Verlag, New York, 1994), pp. 327.

J. D. Joannopoulos, R. D. Meade, and J. N. Winn, Photonic Crystals: Molding the Flow of Light, (Princeton University Press, Princeton, NJ, 1995).

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