Abstract

A simple method for fabricating patternable micro-mirror devices by photo-induced alignment of dye-doped cholesteric liquid crystal (CLC) is demonstrated. The CLC texture can be changed from random distribution to nearly perfect planar by the photo-excited adsorbed dyes. This structure transformation leads to a substantial reflectivity increase. Using this photo-patterning technique, one-and two-dimensional micro-mirror arrays which function as gratings are also demonstrated.

©2006 Optical Society of America

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  1. S. Chandrasekhar, Liquid Crystals (Cambridge University Press, London, 1977).
  2. L. M. Blinov and V. G. Chigrinov, Electro-Optical Effects in Liquid Crystal Materials (Springer-Verlag, New York, 1994).
    [Crossref]
  3. D. K. Yang, J. L. West, L. C. Chien, and J. W. Doane, “Control of the reflectivity and bistability in displays based on cholesteric liquid crystals,” J. Appl. Phys. 76, 1331–1333 (1994).
    [Crossref]
  4. M. H. Lu, “Bistable reflective cholesteric liquid crystal display,” J. Appl. Phys.,  81, 1063–1066 (1997).
    [Crossref]
  5. S. T. Wu and D. K. Yang, Reflective Liquid Crystal Displays (Wiley, New York, 2001).
  6. I. Shiyanovskaya, A. Khan, S. Green, G. Magyar, and J. W. Doane, “Single substrate encapsulated cholesteric LCDs: coatable, drapable and foldable,” SID Symposium Digest 36, 1556–1559 (2005).
    [Crossref]
  7. K. Chari, C. M. Rankin, D. M. Johnson, T. N. Blanton, and R. G. Capurso, “Single-substrate cholesteric liquid crystal displays by colloidal self-assembly,” Appl. Phys. Lett. 88, 043502 (2006).
    [Crossref]
  8. B. Taheri, A. F. Munoz, P. Palffy-Muhoray, and R. Twieg, “Low threshold lasing in cholesteric liquid crystals,” Mol. Cryst. Liq. Cryst. 358, 73–81, (2001).
    [Crossref]
  9. S. M. Morris, A. D. Ford, M. N. Pivnenko, and H. J. Coles, “Enhanced emission from liquid-crystal lasers,” J. Appl. Phys. 97, 023103 (2005).
    [Crossref]
  10. Y. Huang, Y. Zhou, and S. T. Wu, “Spatially tunable laser emission in dye-doped photonic liquid crystals,” Appl. Phys. Lett. 88, 011107 (2006).
    [Crossref]
  11. Y. Huang, Y. Zhou, C. Doyle, and S. T. Wu, “Tuning photonic band gap in cholesteric liquid crystals by temperature-dependent dopant solubility,” Opt. Express 14, 1236–1242 (2006).
    [Crossref] [PubMed]
  12. T. H. Lin, H. C. Jau, C. H. Chen, and A. Y. G. Fuh, “Electrically controllable laser based on cholesteric liquid crystal with negative dielectric anisotropy,” Appl. Phys. Lett. 88, 061122 (2006).
    [Crossref]
  13. T. H. Lin, Y. J. Chen, C. H. Wu, A. Y. G. Fuh, J. H. Liu, and P. C. Yang, “Cholesteric liquid crystal laser with wide tuning capability,” Appl. Phys. Lett. 86, 161120 (2005).
    [Crossref]
  14. C. R. Lee, T. S. Mo, K. T. Cheng, T. L. Fu, and A.Y. G. Fuh, “Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films,” Appl. Phys. Lett. 83, 24–26 (2003).
    [Crossref]
  15. C. R. Lee, T. L. Fu, K. T. Cheng, T. S. Mo, and A. Y. G. Fuh, “Surface-assisted photo alignment in dye-doped liquid-crystal films,” Phys. Rev. E 69, 031704 (2004).
    [Crossref]
  16. S. Y. Huang, S. T. Wu, and A. T. G. Fuh, “Optically switchable twist nematic grating based on a dye-doped liquid crystal film,” Appl. Phys. Lett. 88, 041104 (2006).
    [Crossref]
  17. L. Lucchetti, M. Gentili, and F. Simoni, “Colossal optical nonlinearity induced by a low frequency external electric field in dye-doped liquid crystals,” Opt. Express 14, 2236 (2006).
    [Crossref] [PubMed]
  18. L. Lucchetti, M. Di Fabrizio, O. Francescangeli, and F. Simoni, “Colossal optical nonlinearity in dye doped liquid crystals,” Opt. Commun. 233, 417 (2004).
    [Crossref]
  19. Q. Hong, T. X. Wu, and S. T. Wu, “Optical wave propagation in a cholesteric liquid crystal using the finite element method,” Liq. Cryst. 30, 367–375 (2003).
    [Crossref]
  20. H. Ren, Y. H. Fan, S. Gauza, and S. T. Wu, “Tunable microlens arrays using polymer network liquid crystal,” Opt. Commun. 230, 267–271 (2004).
    [Crossref]

2006 (6)

K. Chari, C. M. Rankin, D. M. Johnson, T. N. Blanton, and R. G. Capurso, “Single-substrate cholesteric liquid crystal displays by colloidal self-assembly,” Appl. Phys. Lett. 88, 043502 (2006).
[Crossref]

Y. Huang, Y. Zhou, and S. T. Wu, “Spatially tunable laser emission in dye-doped photonic liquid crystals,” Appl. Phys. Lett. 88, 011107 (2006).
[Crossref]

Y. Huang, Y. Zhou, C. Doyle, and S. T. Wu, “Tuning photonic band gap in cholesteric liquid crystals by temperature-dependent dopant solubility,” Opt. Express 14, 1236–1242 (2006).
[Crossref] [PubMed]

T. H. Lin, H. C. Jau, C. H. Chen, and A. Y. G. Fuh, “Electrically controllable laser based on cholesteric liquid crystal with negative dielectric anisotropy,” Appl. Phys. Lett. 88, 061122 (2006).
[Crossref]

S. Y. Huang, S. T. Wu, and A. T. G. Fuh, “Optically switchable twist nematic grating based on a dye-doped liquid crystal film,” Appl. Phys. Lett. 88, 041104 (2006).
[Crossref]

L. Lucchetti, M. Gentili, and F. Simoni, “Colossal optical nonlinearity induced by a low frequency external electric field in dye-doped liquid crystals,” Opt. Express 14, 2236 (2006).
[Crossref] [PubMed]

2005 (3)

I. Shiyanovskaya, A. Khan, S. Green, G. Magyar, and J. W. Doane, “Single substrate encapsulated cholesteric LCDs: coatable, drapable and foldable,” SID Symposium Digest 36, 1556–1559 (2005).
[Crossref]

S. M. Morris, A. D. Ford, M. N. Pivnenko, and H. J. Coles, “Enhanced emission from liquid-crystal lasers,” J. Appl. Phys. 97, 023103 (2005).
[Crossref]

T. H. Lin, Y. J. Chen, C. H. Wu, A. Y. G. Fuh, J. H. Liu, and P. C. Yang, “Cholesteric liquid crystal laser with wide tuning capability,” Appl. Phys. Lett. 86, 161120 (2005).
[Crossref]

2004 (3)

C. R. Lee, T. L. Fu, K. T. Cheng, T. S. Mo, and A. Y. G. Fuh, “Surface-assisted photo alignment in dye-doped liquid-crystal films,” Phys. Rev. E 69, 031704 (2004).
[Crossref]

H. Ren, Y. H. Fan, S. Gauza, and S. T. Wu, “Tunable microlens arrays using polymer network liquid crystal,” Opt. Commun. 230, 267–271 (2004).
[Crossref]

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, and F. Simoni, “Colossal optical nonlinearity in dye doped liquid crystals,” Opt. Commun. 233, 417 (2004).
[Crossref]

2003 (2)

Q. Hong, T. X. Wu, and S. T. Wu, “Optical wave propagation in a cholesteric liquid crystal using the finite element method,” Liq. Cryst. 30, 367–375 (2003).
[Crossref]

C. R. Lee, T. S. Mo, K. T. Cheng, T. L. Fu, and A.Y. G. Fuh, “Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films,” Appl. Phys. Lett. 83, 24–26 (2003).
[Crossref]

2001 (1)

B. Taheri, A. F. Munoz, P. Palffy-Muhoray, and R. Twieg, “Low threshold lasing in cholesteric liquid crystals,” Mol. Cryst. Liq. Cryst. 358, 73–81, (2001).
[Crossref]

1997 (1)

M. H. Lu, “Bistable reflective cholesteric liquid crystal display,” J. Appl. Phys.,  81, 1063–1066 (1997).
[Crossref]

1994 (1)

D. K. Yang, J. L. West, L. C. Chien, and J. W. Doane, “Control of the reflectivity and bistability in displays based on cholesteric liquid crystals,” J. Appl. Phys. 76, 1331–1333 (1994).
[Crossref]

Blanton, T. N.

K. Chari, C. M. Rankin, D. M. Johnson, T. N. Blanton, and R. G. Capurso, “Single-substrate cholesteric liquid crystal displays by colloidal self-assembly,” Appl. Phys. Lett. 88, 043502 (2006).
[Crossref]

Blinov, L. M.

L. M. Blinov and V. G. Chigrinov, Electro-Optical Effects in Liquid Crystal Materials (Springer-Verlag, New York, 1994).
[Crossref]

Capurso, R. G.

K. Chari, C. M. Rankin, D. M. Johnson, T. N. Blanton, and R. G. Capurso, “Single-substrate cholesteric liquid crystal displays by colloidal self-assembly,” Appl. Phys. Lett. 88, 043502 (2006).
[Crossref]

Chandrasekhar, S.

S. Chandrasekhar, Liquid Crystals (Cambridge University Press, London, 1977).

Chari, K.

K. Chari, C. M. Rankin, D. M. Johnson, T. N. Blanton, and R. G. Capurso, “Single-substrate cholesteric liquid crystal displays by colloidal self-assembly,” Appl. Phys. Lett. 88, 043502 (2006).
[Crossref]

Chen, C. H.

T. H. Lin, H. C. Jau, C. H. Chen, and A. Y. G. Fuh, “Electrically controllable laser based on cholesteric liquid crystal with negative dielectric anisotropy,” Appl. Phys. Lett. 88, 061122 (2006).
[Crossref]

Chen, Y. J.

T. H. Lin, Y. J. Chen, C. H. Wu, A. Y. G. Fuh, J. H. Liu, and P. C. Yang, “Cholesteric liquid crystal laser with wide tuning capability,” Appl. Phys. Lett. 86, 161120 (2005).
[Crossref]

Cheng, K. T.

C. R. Lee, T. L. Fu, K. T. Cheng, T. S. Mo, and A. Y. G. Fuh, “Surface-assisted photo alignment in dye-doped liquid-crystal films,” Phys. Rev. E 69, 031704 (2004).
[Crossref]

C. R. Lee, T. S. Mo, K. T. Cheng, T. L. Fu, and A.Y. G. Fuh, “Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films,” Appl. Phys. Lett. 83, 24–26 (2003).
[Crossref]

Chien, L. C.

D. K. Yang, J. L. West, L. C. Chien, and J. W. Doane, “Control of the reflectivity and bistability in displays based on cholesteric liquid crystals,” J. Appl. Phys. 76, 1331–1333 (1994).
[Crossref]

Chigrinov, V. G.

L. M. Blinov and V. G. Chigrinov, Electro-Optical Effects in Liquid Crystal Materials (Springer-Verlag, New York, 1994).
[Crossref]

Coles, H. J.

S. M. Morris, A. D. Ford, M. N. Pivnenko, and H. J. Coles, “Enhanced emission from liquid-crystal lasers,” J. Appl. Phys. 97, 023103 (2005).
[Crossref]

Di Fabrizio, M.

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, and F. Simoni, “Colossal optical nonlinearity in dye doped liquid crystals,” Opt. Commun. 233, 417 (2004).
[Crossref]

Doane, J. W.

I. Shiyanovskaya, A. Khan, S. Green, G. Magyar, and J. W. Doane, “Single substrate encapsulated cholesteric LCDs: coatable, drapable and foldable,” SID Symposium Digest 36, 1556–1559 (2005).
[Crossref]

D. K. Yang, J. L. West, L. C. Chien, and J. W. Doane, “Control of the reflectivity and bistability in displays based on cholesteric liquid crystals,” J. Appl. Phys. 76, 1331–1333 (1994).
[Crossref]

Doyle, C.

Fan, Y. H.

H. Ren, Y. H. Fan, S. Gauza, and S. T. Wu, “Tunable microlens arrays using polymer network liquid crystal,” Opt. Commun. 230, 267–271 (2004).
[Crossref]

Ford, A. D.

S. M. Morris, A. D. Ford, M. N. Pivnenko, and H. J. Coles, “Enhanced emission from liquid-crystal lasers,” J. Appl. Phys. 97, 023103 (2005).
[Crossref]

Francescangeli, O.

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, and F. Simoni, “Colossal optical nonlinearity in dye doped liquid crystals,” Opt. Commun. 233, 417 (2004).
[Crossref]

Fu, T. L.

C. R. Lee, T. L. Fu, K. T. Cheng, T. S. Mo, and A. Y. G. Fuh, “Surface-assisted photo alignment in dye-doped liquid-crystal films,” Phys. Rev. E 69, 031704 (2004).
[Crossref]

C. R. Lee, T. S. Mo, K. T. Cheng, T. L. Fu, and A.Y. G. Fuh, “Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films,” Appl. Phys. Lett. 83, 24–26 (2003).
[Crossref]

Fuh, A. T. G.

S. Y. Huang, S. T. Wu, and A. T. G. Fuh, “Optically switchable twist nematic grating based on a dye-doped liquid crystal film,” Appl. Phys. Lett. 88, 041104 (2006).
[Crossref]

Fuh, A. Y. G.

T. H. Lin, H. C. Jau, C. H. Chen, and A. Y. G. Fuh, “Electrically controllable laser based on cholesteric liquid crystal with negative dielectric anisotropy,” Appl. Phys. Lett. 88, 061122 (2006).
[Crossref]

T. H. Lin, Y. J. Chen, C. H. Wu, A. Y. G. Fuh, J. H. Liu, and P. C. Yang, “Cholesteric liquid crystal laser with wide tuning capability,” Appl. Phys. Lett. 86, 161120 (2005).
[Crossref]

C. R. Lee, T. L. Fu, K. T. Cheng, T. S. Mo, and A. Y. G. Fuh, “Surface-assisted photo alignment in dye-doped liquid-crystal films,” Phys. Rev. E 69, 031704 (2004).
[Crossref]

Fuh, A.Y. G.

C. R. Lee, T. S. Mo, K. T. Cheng, T. L. Fu, and A.Y. G. Fuh, “Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films,” Appl. Phys. Lett. 83, 24–26 (2003).
[Crossref]

Gauza, S.

H. Ren, Y. H. Fan, S. Gauza, and S. T. Wu, “Tunable microlens arrays using polymer network liquid crystal,” Opt. Commun. 230, 267–271 (2004).
[Crossref]

Gentili, M.

Green, S.

I. Shiyanovskaya, A. Khan, S. Green, G. Magyar, and J. W. Doane, “Single substrate encapsulated cholesteric LCDs: coatable, drapable and foldable,” SID Symposium Digest 36, 1556–1559 (2005).
[Crossref]

Hong, Q.

Q. Hong, T. X. Wu, and S. T. Wu, “Optical wave propagation in a cholesteric liquid crystal using the finite element method,” Liq. Cryst. 30, 367–375 (2003).
[Crossref]

Huang, S. Y.

S. Y. Huang, S. T. Wu, and A. T. G. Fuh, “Optically switchable twist nematic grating based on a dye-doped liquid crystal film,” Appl. Phys. Lett. 88, 041104 (2006).
[Crossref]

Huang, Y.

Y. Huang, Y. Zhou, C. Doyle, and S. T. Wu, “Tuning photonic band gap in cholesteric liquid crystals by temperature-dependent dopant solubility,” Opt. Express 14, 1236–1242 (2006).
[Crossref] [PubMed]

Y. Huang, Y. Zhou, and S. T. Wu, “Spatially tunable laser emission in dye-doped photonic liquid crystals,” Appl. Phys. Lett. 88, 011107 (2006).
[Crossref]

Jau, H. C.

T. H. Lin, H. C. Jau, C. H. Chen, and A. Y. G. Fuh, “Electrically controllable laser based on cholesteric liquid crystal with negative dielectric anisotropy,” Appl. Phys. Lett. 88, 061122 (2006).
[Crossref]

Johnson, D. M.

K. Chari, C. M. Rankin, D. M. Johnson, T. N. Blanton, and R. G. Capurso, “Single-substrate cholesteric liquid crystal displays by colloidal self-assembly,” Appl. Phys. Lett. 88, 043502 (2006).
[Crossref]

Khan, A.

I. Shiyanovskaya, A. Khan, S. Green, G. Magyar, and J. W. Doane, “Single substrate encapsulated cholesteric LCDs: coatable, drapable and foldable,” SID Symposium Digest 36, 1556–1559 (2005).
[Crossref]

Lee, C. R.

C. R. Lee, T. L. Fu, K. T. Cheng, T. S. Mo, and A. Y. G. Fuh, “Surface-assisted photo alignment in dye-doped liquid-crystal films,” Phys. Rev. E 69, 031704 (2004).
[Crossref]

C. R. Lee, T. S. Mo, K. T. Cheng, T. L. Fu, and A.Y. G. Fuh, “Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films,” Appl. Phys. Lett. 83, 24–26 (2003).
[Crossref]

Lin, T. H.

T. H. Lin, H. C. Jau, C. H. Chen, and A. Y. G. Fuh, “Electrically controllable laser based on cholesteric liquid crystal with negative dielectric anisotropy,” Appl. Phys. Lett. 88, 061122 (2006).
[Crossref]

T. H. Lin, Y. J. Chen, C. H. Wu, A. Y. G. Fuh, J. H. Liu, and P. C. Yang, “Cholesteric liquid crystal laser with wide tuning capability,” Appl. Phys. Lett. 86, 161120 (2005).
[Crossref]

Liu, J. H.

T. H. Lin, Y. J. Chen, C. H. Wu, A. Y. G. Fuh, J. H. Liu, and P. C. Yang, “Cholesteric liquid crystal laser with wide tuning capability,” Appl. Phys. Lett. 86, 161120 (2005).
[Crossref]

Lu, M. H.

M. H. Lu, “Bistable reflective cholesteric liquid crystal display,” J. Appl. Phys.,  81, 1063–1066 (1997).
[Crossref]

Lucchetti, L.

L. Lucchetti, M. Gentili, and F. Simoni, “Colossal optical nonlinearity induced by a low frequency external electric field in dye-doped liquid crystals,” Opt. Express 14, 2236 (2006).
[Crossref] [PubMed]

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, and F. Simoni, “Colossal optical nonlinearity in dye doped liquid crystals,” Opt. Commun. 233, 417 (2004).
[Crossref]

Magyar, G.

I. Shiyanovskaya, A. Khan, S. Green, G. Magyar, and J. W. Doane, “Single substrate encapsulated cholesteric LCDs: coatable, drapable and foldable,” SID Symposium Digest 36, 1556–1559 (2005).
[Crossref]

Mo, T. S.

C. R. Lee, T. L. Fu, K. T. Cheng, T. S. Mo, and A. Y. G. Fuh, “Surface-assisted photo alignment in dye-doped liquid-crystal films,” Phys. Rev. E 69, 031704 (2004).
[Crossref]

C. R. Lee, T. S. Mo, K. T. Cheng, T. L. Fu, and A.Y. G. Fuh, “Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films,” Appl. Phys. Lett. 83, 24–26 (2003).
[Crossref]

Morris, S. M.

S. M. Morris, A. D. Ford, M. N. Pivnenko, and H. J. Coles, “Enhanced emission from liquid-crystal lasers,” J. Appl. Phys. 97, 023103 (2005).
[Crossref]

Munoz, A. F.

B. Taheri, A. F. Munoz, P. Palffy-Muhoray, and R. Twieg, “Low threshold lasing in cholesteric liquid crystals,” Mol. Cryst. Liq. Cryst. 358, 73–81, (2001).
[Crossref]

Palffy-Muhoray, P.

B. Taheri, A. F. Munoz, P. Palffy-Muhoray, and R. Twieg, “Low threshold lasing in cholesteric liquid crystals,” Mol. Cryst. Liq. Cryst. 358, 73–81, (2001).
[Crossref]

Pivnenko, M. N.

S. M. Morris, A. D. Ford, M. N. Pivnenko, and H. J. Coles, “Enhanced emission from liquid-crystal lasers,” J. Appl. Phys. 97, 023103 (2005).
[Crossref]

Rankin, C. M.

K. Chari, C. M. Rankin, D. M. Johnson, T. N. Blanton, and R. G. Capurso, “Single-substrate cholesteric liquid crystal displays by colloidal self-assembly,” Appl. Phys. Lett. 88, 043502 (2006).
[Crossref]

Ren, H.

H. Ren, Y. H. Fan, S. Gauza, and S. T. Wu, “Tunable microlens arrays using polymer network liquid crystal,” Opt. Commun. 230, 267–271 (2004).
[Crossref]

Shiyanovskaya, I.

I. Shiyanovskaya, A. Khan, S. Green, G. Magyar, and J. W. Doane, “Single substrate encapsulated cholesteric LCDs: coatable, drapable and foldable,” SID Symposium Digest 36, 1556–1559 (2005).
[Crossref]

Simoni, F.

L. Lucchetti, M. Gentili, and F. Simoni, “Colossal optical nonlinearity induced by a low frequency external electric field in dye-doped liquid crystals,” Opt. Express 14, 2236 (2006).
[Crossref] [PubMed]

L. Lucchetti, M. Di Fabrizio, O. Francescangeli, and F. Simoni, “Colossal optical nonlinearity in dye doped liquid crystals,” Opt. Commun. 233, 417 (2004).
[Crossref]

Taheri, B.

B. Taheri, A. F. Munoz, P. Palffy-Muhoray, and R. Twieg, “Low threshold lasing in cholesteric liquid crystals,” Mol. Cryst. Liq. Cryst. 358, 73–81, (2001).
[Crossref]

Twieg, R.

B. Taheri, A. F. Munoz, P. Palffy-Muhoray, and R. Twieg, “Low threshold lasing in cholesteric liquid crystals,” Mol. Cryst. Liq. Cryst. 358, 73–81, (2001).
[Crossref]

West, J. L.

D. K. Yang, J. L. West, L. C. Chien, and J. W. Doane, “Control of the reflectivity and bistability in displays based on cholesteric liquid crystals,” J. Appl. Phys. 76, 1331–1333 (1994).
[Crossref]

Wu, C. H.

T. H. Lin, Y. J. Chen, C. H. Wu, A. Y. G. Fuh, J. H. Liu, and P. C. Yang, “Cholesteric liquid crystal laser with wide tuning capability,” Appl. Phys. Lett. 86, 161120 (2005).
[Crossref]

Wu, S. T.

Y. Huang, Y. Zhou, and S. T. Wu, “Spatially tunable laser emission in dye-doped photonic liquid crystals,” Appl. Phys. Lett. 88, 011107 (2006).
[Crossref]

S. Y. Huang, S. T. Wu, and A. T. G. Fuh, “Optically switchable twist nematic grating based on a dye-doped liquid crystal film,” Appl. Phys. Lett. 88, 041104 (2006).
[Crossref]

Y. Huang, Y. Zhou, C. Doyle, and S. T. Wu, “Tuning photonic band gap in cholesteric liquid crystals by temperature-dependent dopant solubility,” Opt. Express 14, 1236–1242 (2006).
[Crossref] [PubMed]

H. Ren, Y. H. Fan, S. Gauza, and S. T. Wu, “Tunable microlens arrays using polymer network liquid crystal,” Opt. Commun. 230, 267–271 (2004).
[Crossref]

Q. Hong, T. X. Wu, and S. T. Wu, “Optical wave propagation in a cholesteric liquid crystal using the finite element method,” Liq. Cryst. 30, 367–375 (2003).
[Crossref]

S. T. Wu and D. K. Yang, Reflective Liquid Crystal Displays (Wiley, New York, 2001).

Wu, T. X.

Q. Hong, T. X. Wu, and S. T. Wu, “Optical wave propagation in a cholesteric liquid crystal using the finite element method,” Liq. Cryst. 30, 367–375 (2003).
[Crossref]

Yang, D. K.

D. K. Yang, J. L. West, L. C. Chien, and J. W. Doane, “Control of the reflectivity and bistability in displays based on cholesteric liquid crystals,” J. Appl. Phys. 76, 1331–1333 (1994).
[Crossref]

S. T. Wu and D. K. Yang, Reflective Liquid Crystal Displays (Wiley, New York, 2001).

Yang, P. C.

T. H. Lin, Y. J. Chen, C. H. Wu, A. Y. G. Fuh, J. H. Liu, and P. C. Yang, “Cholesteric liquid crystal laser with wide tuning capability,” Appl. Phys. Lett. 86, 161120 (2005).
[Crossref]

Zhou, Y.

Y. Huang, Y. Zhou, C. Doyle, and S. T. Wu, “Tuning photonic band gap in cholesteric liquid crystals by temperature-dependent dopant solubility,” Opt. Express 14, 1236–1242 (2006).
[Crossref] [PubMed]

Y. Huang, Y. Zhou, and S. T. Wu, “Spatially tunable laser emission in dye-doped photonic liquid crystals,” Appl. Phys. Lett. 88, 011107 (2006).
[Crossref]

Appl. Phys. Lett. (6)

K. Chari, C. M. Rankin, D. M. Johnson, T. N. Blanton, and R. G. Capurso, “Single-substrate cholesteric liquid crystal displays by colloidal self-assembly,” Appl. Phys. Lett. 88, 043502 (2006).
[Crossref]

T. H. Lin, H. C. Jau, C. H. Chen, and A. Y. G. Fuh, “Electrically controllable laser based on cholesteric liquid crystal with negative dielectric anisotropy,” Appl. Phys. Lett. 88, 061122 (2006).
[Crossref]

T. H. Lin, Y. J. Chen, C. H. Wu, A. Y. G. Fuh, J. H. Liu, and P. C. Yang, “Cholesteric liquid crystal laser with wide tuning capability,” Appl. Phys. Lett. 86, 161120 (2005).
[Crossref]

C. R. Lee, T. S. Mo, K. T. Cheng, T. L. Fu, and A.Y. G. Fuh, “Electrically switchable and thermally erasable biphotonic holographic gratings in dye-doped liquid crystal films,” Appl. Phys. Lett. 83, 24–26 (2003).
[Crossref]

Y. Huang, Y. Zhou, and S. T. Wu, “Spatially tunable laser emission in dye-doped photonic liquid crystals,” Appl. Phys. Lett. 88, 011107 (2006).
[Crossref]

S. Y. Huang, S. T. Wu, and A. T. G. Fuh, “Optically switchable twist nematic grating based on a dye-doped liquid crystal film,” Appl. Phys. Lett. 88, 041104 (2006).
[Crossref]

J. Appl. Phys. (3)

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[Crossref]

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[Crossref]

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[Crossref]

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[Crossref]

Mol. Cryst. Liq. Cryst. (1)

B. Taheri, A. F. Munoz, P. Palffy-Muhoray, and R. Twieg, “Low threshold lasing in cholesteric liquid crystals,” Mol. Cryst. Liq. Cryst. 358, 73–81, (2001).
[Crossref]

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H. Ren, Y. H. Fan, S. Gauza, and S. T. Wu, “Tunable microlens arrays using polymer network liquid crystal,” Opt. Commun. 230, 267–271 (2004).
[Crossref]

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[Crossref]

Opt. Express (2)

Phys. Rev. E (1)

C. R. Lee, T. L. Fu, K. T. Cheng, T. S. Mo, and A. Y. G. Fuh, “Surface-assisted photo alignment in dye-doped liquid-crystal films,” Phys. Rev. E 69, 031704 (2004).
[Crossref]

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[Crossref]

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[Crossref]

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Figures (8)

Fig. 1.
Fig. 1.

Schematic representation of the (a) imperfect CLC planar texture with nearly randomly distributed helical directions, (b) photo-aligned planar CLC texture.

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Fig. 2.
Fig. 2.

Experimental setup for measuring the reflection spectrum and intensity of the dye-doped CLC.

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Fig. 3.
Fig. 3.

A photo of dye-doped CLC cell with (green circle) and without laser illumination.

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Fig. 4.
Fig. 4.

The microscopic textures of a photo-aligned CLC observed under a reflection optical microscope with (a) 0 min, (b) 20 min, (c) 40 min and (d) 60 min illumination time.

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Fig. 5.
Fig. 5.

Reflection spectrum of the photo-aligned dye-doped CLC at different laser exposure time.

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Fig. 6.
Fig. 6.

(a) Reflectivity of the photo-aligned dye-doped CLC with different illumination time. 100% stands for the reflectivity of a perfect planar CLC. (b) Resolution of this sample observed under a reflective polarizing optical microscope.

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Fig. 7.
Fig. 7.

(a) The recorded image of the photo-aligned CLC under a reflective polarizing optical microscope. The grating spacing is ~100 µm. (b) The diffraction patterns of the photo-aligned CLC reflective grating.

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Fig. 8.
Fig. 8.

(a) The reflection image of the 2D photo-aligned CLC under a reflective polarizing optical microscope. The grating spacing is ~50 µm. (b) The diffraction patterns of this photo-aligned CLC reflective grating.

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