The dynamic influence of photoisomerization on optical reorientation in absorbing isotropic liquid crystals

doi:10.1364/OE.14.011709

The dynamic influence of photoisomerization on optical reorientation in absorbing isotropic liquid crystals

Xiu Liu, Pei Yang, Liyong Ji, Liying Liu, and Lei Xu »View Author Affiliations

Optics Express, Vol. 14, Issue 24, pp. 11709-11714 (2006)
http://dx.doi.org/10.1364/OE.14.011709

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Abstract

The induced transient dichroism and the transient optical Kerr effect (OKE) response of azo-doped isotropic liquid crystals were studied in picosecond time scale. Photoisomerization occurs when the azo-dye molecules are resonantly excited. As a result, a significant enhancement of OKE signal was found in the dye doped liquid crystals with respect to the pure liquid crystals. The enhancement was attributed to the extra torque exerted on liquid crystals after anisotropic orientational distribution of trans and cis isomers were generated. A modified mean field theory model was applied to treat the interactions of trans and cis isomers with liquid crystals. A small-pump enhancement factor of 3.8 was obtained, which is comparable with that of the well-known anthraquinone dye doped LC system.

OCIS Codes
(160.3710) Materials : Liquid crystals
(190.3270) Nonlinear optics : Kerr effect
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Materials

History
Original Manuscript: September 18, 2006
Revised Manuscript: November 6, 2006
Manuscript Accepted: November 8, 2006
Published: November 27, 2006

Citation
Xiu Liu, Pei Yang, Liyong Ji, Liying Liu, and Lei Xu, "The dynamic influence of photoisomerization on optical reorientation in absorbing isotropic liquid crystals," Opt. Express 14, 11709-11714 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-24-11709

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References

I. Jánossy, A.D. Lloyd, and B.S. Wherrett, "Anomalous optical Freedericksz transition in an absorbing liquid-crystal," Mol. Cryst. Liq. Cryst. 179, 1-12 (1990).
D. Paparo, L. Marrucci, G. Abbate, E. Santamato, M. Kreuzer, P. Lehnert, and T. Vogeler, "Molecular-field-enhanced optical Kerr effect in absorbing liquids," Phys. Rev. Lett. 78, 38-41 (1997). [CrossRef]
R. Muenster, M. Jarasch, X. Zhuang, and Y. R. Shen, "Dye-induced enhancement of optical nonlinearity in liquids and liquid crystals," Phys. Rev. Lett. 78, 42-45 (1997). [CrossRef]
I. Jánossy and T. Kósa, "Influence of anthraquinone dyes on optical reorientation of nematic liquid crystals," Opt. Lett. 17, 1183-1185 (1992). [CrossRef] [PubMed]
I. Jánossy, "Molecular interpretation of the absorption-induced optical reorientation of nematic liquid crystals," Phys. Rev. E 49, 2957-2963 (1994). [CrossRef]
L. Marrucci, D. Paparo, G. Abbate, E. Santamato, M. Kreuzer, P. Lehnert, and T. Vogeler, "Enhanced optical nonlinearity by photoinduced molecular orientation in absorbing liquids," Phys. Rev. A 58, 4926-4936 (1998). [CrossRef]
M. Kreuzer, L. Marrucci and D. Paparo, "Light-induced modification of kinetic molecular properties: enhancement of optical Kerr effect in absorbing liquids, photoinduced torque and molecular motors in dye-doped nematics," J. Nonlinear Opt. Phys. Mater. 9, 157-182 (2000).
M. Kreuzer, F. Hanisch, R. Eidenschink, D. Paparo, and L. Marrucci, "Large deuterium isotope effect in the optical nonlinearity of dye-doped liquid crystals," Phys. Rev. Lett. 88, 013902 (2002). [CrossRef] [PubMed]
T. V. Truong, L. Xu, and Y. R. Shen, "Early dynamics of guest-host interaction in dye-doped liquid crystalline materials," Phys. Rev. Lett. 90, 193902 (2003). [CrossRef] [PubMed]
M. I. Barnik, A. S. Zolotko, V. G. Rumyantseva, D. B. Terskov, "Photoinduced director reorientation in aza-dye-doped nematic liquid-crystal," Kristallografiya 40, 746-750 (1995).
I. Jánossy and L. Szabados, "Optical reorientation of nematic liquid crystals in the presence of photoisomerization," Phys. Rev. E 58, 4598-4604 (1998). [CrossRef]
M. Becchi, I. Janossy, D. S. Shankar Rao, and D. Statman, "Anomalous intensity dependence of optical reorientation in azo-dye-doped nematic liquid crystals," Phys. Rev. E 69, 051707 (2004). [CrossRef]
M. Kreuzer, E. Benkler, D. Paparo, G. Casillo, and L. Marrucci, "Molecular reorientation by photoinduced modulation of rotational mobility," Phys. Rev. E 68, 011701 (2003). [CrossRef]
B. Schmidt, C. Sobotta, S. Malkmus, S. Laimgruber, M. Braun, W. Zinth, and P. Gilch, "Femtosecond fluorescence and absorption dynamics of an azobenzene with a strong push-pull substitution," J. Phys. Chem. A 108, 4399-4404 (2004). [CrossRef]
A. Zeug, I. Ruckman, and B. Roder, "Picosecond transient dichroism and birefringence spectroscopy on pheophorbide-a molecules in solution," J. Opt. B 3,S251-S258 (2001). [CrossRef]
Liyong Ji, Pei Yang, Xiu Liu, Liying Liu and Lei Xu, unpublished results.

Abbate, G.
Barnik, M. I.
Becchi, M.
Benkler, E.
Braun, M.
Casillo, G.
Eidenschink, R.
Gilch, P.
Hanisch, F.
Janossy, I.
Jánossy, I.
Jarasch, M.
Kósa, T.
Kreuzer, M.
Laimgruber, S.
Lehnert, P.
Lloyd, A.D.
Malkmus, S.
Marrucci, L.
Muenster, R.
Paparo, D.
Roder, B.
Ruckman, I.
Rumyantseva, V. G.
Santamato, E.
Schmidt, B.
Shankar Rao, D. S.
Shen, Y. R.
Sobotta, C.
Statman, D.
Szabados, L.
Terskov, D. B.
Truong, T. V.
Vogeler, T.
Wherrett, B.S.
Xu, L.
Zeug, A.
Zhuang, X.
Zinth, W.
Zolotko, A. S.

J. Nonlinear Opt. Phys. Mater.

M. Kreuzer, L. Marrucci and D. Paparo, "Light-induced modification of kinetic molecular properties: enhancement of optical Kerr effect in absorbing liquids, photoinduced torque and molecular motors in dye-doped nematics," J. Nonlinear Opt. Phys. Mater. 9, 157-182 (2000).

J. Opt. B

A. Zeug, I. Ruckman, and B. Roder, "Picosecond transient dichroism and birefringence spectroscopy on pheophorbide-a molecules in solution," J. Opt. B 3,S251-S258 (2001). [CrossRef]

J. Phys. Chem. A

B. Schmidt, C. Sobotta, S. Malkmus, S. Laimgruber, M. Braun, W. Zinth, and P. Gilch, "Femtosecond fluorescence and absorption dynamics of an azobenzene with a strong push-pull substitution," J. Phys. Chem. A 108, 4399-4404 (2004). [CrossRef]

Kristallografiya

M. I. Barnik, A. S. Zolotko, V. G. Rumyantseva, D. B. Terskov, "Photoinduced director reorientation in aza-dye-doped nematic liquid-crystal," Kristallografiya 40, 746-750 (1995).

Mol. Cryst. Liq. Cryst.

I. Jánossy, A.D. Lloyd, and B.S. Wherrett, "Anomalous optical Freedericksz transition in an absorbing liquid-crystal," Mol. Cryst. Liq. Cryst. 179, 1-12 (1990).

Opt. Lett.

I. Jánossy and T. Kósa, "Influence of anthraquinone dyes on optical reorientation of nematic liquid crystals," Opt. Lett. 17, 1183-1185 (1992). [CrossRef] [PubMed]

Phys. Rev. A

L. Marrucci, D. Paparo, G. Abbate, E. Santamato, M. Kreuzer, P. Lehnert, and T. Vogeler, "Enhanced optical nonlinearity by photoinduced molecular orientation in absorbing liquids," Phys. Rev. A 58, 4926-4936 (1998). [CrossRef]

Phys. Rev. E

I. Jánossy, "Molecular interpretation of the absorption-induced optical reorientation of nematic liquid crystals," Phys. Rev. E 49, 2957-2963 (1994). [CrossRef]
I. Jánossy and L. Szabados, "Optical reorientation of nematic liquid crystals in the presence of photoisomerization," Phys. Rev. E 58, 4598-4604 (1998). [CrossRef]
M. Becchi, I. Janossy, D. S. Shankar Rao, and D. Statman, "Anomalous intensity dependence of optical reorientation in azo-dye-doped nematic liquid crystals," Phys. Rev. E 69, 051707 (2004). [CrossRef]
M. Kreuzer, E. Benkler, D. Paparo, G. Casillo, and L. Marrucci, "Molecular reorientation by photoinduced modulation of rotational mobility," Phys. Rev. E 68, 011701 (2003). [CrossRef]

Phys. Rev. Lett.

D. Paparo, L. Marrucci, G. Abbate, E. Santamato, M. Kreuzer, P. Lehnert, and T. Vogeler, "Molecular-field-enhanced optical Kerr effect in absorbing liquids," Phys. Rev. Lett. 78, 38-41 (1997). [CrossRef]
R. Muenster, M. Jarasch, X. Zhuang, and Y. R. Shen, "Dye-induced enhancement of optical nonlinearity in liquids and liquid crystals," Phys. Rev. Lett. 78, 42-45 (1997). [CrossRef]
M. Kreuzer, F. Hanisch, R. Eidenschink, D. Paparo, and L. Marrucci, "Large deuterium isotope effect in the optical nonlinearity of dye-doped liquid crystals," Phys. Rev. Lett. 88, 013902 (2002). [CrossRef] [PubMed]
T. V. Truong, L. Xu, and Y. R. Shen, "Early dynamics of guest-host interaction in dye-doped liquid crystalline materials," Phys. Rev. Lett. 90, 193902 (2003). [CrossRef] [PubMed]

Other

Liyong Ji, Pei Yang, Xiu Liu, Liying Liu and Lei Xu, unpublished results.

2004, Becchi, Phys. Rev. E
2004, Schmidt, J. Phys. Chem. A
2003, Kreuzer, Phys. Rev. E
2003, Truong, Phys. Rev. Lett.
2002, Kreuzer, Phys. Rev. Lett.
2001, Zeug, J. Opt. B
2000, Kreuzer, J. Nonlinear Opt. Phys. Mater.
1998, Marrucci, Phys. Rev. A
1998, Jánossy, Phys. Rev. E
1997, Paparo, Phys. Rev. Lett.
1997, Muenster, Phys. Rev. Lett.
1995, Barnik, Kristallografiya
1994, Jánossy, Phys. Rev. E
1992, Jánossy, Opt. Lett.
1990, Jánossy, Mol. Cryst. Liq. Cryst.

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[1] I. Jánossy, A.D. Lloyd, and B.S. Wherrett, "Anomalous optical Freedericksz transition in an absorbing liquid-crystal," Mol. Cryst. Liq. Cryst. 179, 1-12 (1990).

[2] D. Paparo, L. Marrucci, G. Abbate, E. Santamato, M. Kreuzer, P. Lehnert, and T. Vogeler, "Molecular-field-enhanced optical Kerr effect in absorbing liquids," Phys. Rev. Lett. 78, 38-41 (1997). [CrossRef]

[3] R. Muenster, M. Jarasch, X. Zhuang, and Y. R. Shen, "Dye-induced enhancement of optical nonlinearity in liquids and liquid crystals," Phys. Rev. Lett. 78, 42-45 (1997). [CrossRef]

[4] I. Jánossy and T. Kósa, "Influence of anthraquinone dyes on optical reorientation of nematic liquid crystals," Opt. Lett. 17, 1183-1185 (1992). [CrossRef] [PubMed]

[5] I. Jánossy, "Molecular interpretation of the absorption-induced optical reorientation of nematic liquid crystals," Phys. Rev. E 49, 2957-2963 (1994). [CrossRef]

[6] L. Marrucci, D. Paparo, G. Abbate, E. Santamato, M. Kreuzer, P. Lehnert, and T. Vogeler, "Enhanced optical nonlinearity by photoinduced molecular orientation in absorbing liquids," Phys. Rev. A 58, 4926-4936 (1998). [CrossRef]

[7] M. Kreuzer, L. Marrucci and D. Paparo, "Light-induced modification of kinetic molecular properties: enhancement of optical Kerr effect in absorbing liquids, photoinduced torque and molecular motors in dye-doped nematics," J. Nonlinear Opt. Phys. Mater. 9, 157-182 (2000).

[8] M. Kreuzer, F. Hanisch, R. Eidenschink, D. Paparo, and L. Marrucci, "Large deuterium isotope effect in the optical nonlinearity of dye-doped liquid crystals," Phys. Rev. Lett. 88, 013902 (2002). [CrossRef] [PubMed]

[9] T. V. Truong, L. Xu, and Y. R. Shen, "Early dynamics of guest-host interaction in dye-doped liquid crystalline materials," Phys. Rev. Lett. 90, 193902 (2003). [CrossRef] [PubMed]

[10] M. I. Barnik, A. S. Zolotko, V. G. Rumyantseva, D. B. Terskov, "Photoinduced director reorientation in aza-dye-doped nematic liquid-crystal," Kristallografiya 40, 746-750 (1995).

[11] I. Jánossy and L. Szabados, "Optical reorientation of nematic liquid crystals in the presence of photoisomerization," Phys. Rev. E 58, 4598-4604 (1998). [CrossRef]

[12] M. Becchi, I. Janossy, D. S. Shankar Rao, and D. Statman, "Anomalous intensity dependence of optical reorientation in azo-dye-doped nematic liquid crystals," Phys. Rev. E 69, 051707 (2004). [CrossRef]

[13] M. Kreuzer, E. Benkler, D. Paparo, G. Casillo, and L. Marrucci, "Molecular reorientation by photoinduced modulation of rotational mobility," Phys. Rev. E 68, 011701 (2003). [CrossRef]

[14] B. Schmidt, C. Sobotta, S. Malkmus, S. Laimgruber, M. Braun, W. Zinth, and P. Gilch, "Femtosecond fluorescence and absorption dynamics of an azobenzene with a strong push-pull substitution," J. Phys. Chem. A 108, 4399-4404 (2004). [CrossRef]

[15] A. Zeug, I. Ruckman, and B. Roder, "Picosecond transient dichroism and birefringence spectroscopy on pheophorbide-a molecules in solution," J. Opt. B 3,S251-S258 (2001). [CrossRef]

[16] Liyong Ji, Pei Yang, Xiu Liu, Liying Liu and Lei Xu, unpublished results.

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The dynamic influence of photoisomerization on optical reorientation in absorbing isotropic liquid crystals

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Abstract

References

J. Nonlinear Opt. Phys. Mater.

J. Opt. B

J. Phys. Chem. A

Kristallografiya

Mol. Cryst. Liq. Cryst.

Opt. Lett.

Phys. Rev. A

Phys. Rev. E

Phys. Rev. Lett.

Other

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