Abstract

Polarization-altering properties of a unique photoinduced chiral material, which consists of a photoresponsive azobenzene (PCDY50), are investigated in detail under an ellipsometric analysis based on a circular basis. The validity of the processes is confirmed by comparing experimental results and calculations. Furthermore, various kinds of optical functions, such as an optical rotator and ellipticity modificator, are demonstrated by applying invariant ellipticity (or azimuth) state condition to the PCDY50 thin film that is less than 1  μm thick.

© 2007 Optical Society of America

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  1. L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Photoinduced circular anisotropy in side-chain azobenzene polyesters," Opt. Mater. 8, 255-258 (1997).
    [CrossRef]
  2. G. Iftime, F. L. Labarthet, A. Natansohn, and P. Rochon, "Control of chirality of an azobenzene liquid crystalline polymer with circularly polarized light," J. Am. Chem. Soc. 122, 12646-12650 (2000).
    [CrossRef]
  3. L. Nikolova, L. Nedelchev, T. Todorov, Tz. Petrova, N. Tomova, and V. Dragostinova, "Self-induced light polarization rotation in azobenzene-containing polymers," Appl. Phys. Lett. 77, 657-659 (2000).
    [CrossRef]
  4. M. J. Kim, B. G. Shin, J. J. Kim, and D. Y. Kim, "Photoinduced supramolecular chirality in amorphous azobenzene polymer films," J. Am. Chem. Soc. 124, 3504-3505 (2002).
    [CrossRef] [PubMed]
  5. L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
    [CrossRef]
  6. S. Pages, F. L. Labarthet, T. Buffeteau, and C. Sourisseau, "Photoinduced linear and/or circular birefringences from light propagation through amorphous or smectic azopolymer films," Appl. Phys. B: Lasers Opt. 75, 541-548 (2002).
    [CrossRef]
  7. M. J. Kim, S. J. Yoo, and D. Y. Kim, "A supramolecular chiroptical switch using an amorphous azobenzene polymer," Adv. Funct. Mater. 16, 2089-2094 (2006).
    [CrossRef]
  8. H. Sumimura, T. Fukuda, J. Y. Kim, D. Barada, M. Itoh, and T. Yatagai, "Photoinduced chirality in an azobenzene amorphous copolymer bearing large birefringent moiety," Jpn. J. Appl. Phys. 45, 451-455 (2006).
    [CrossRef]
  9. T. Fukuda, J. Y. Kim, D. Barada, and K. Yase, "Photoinduced molecular re-orientation and supramolecular helical structure formation in azobenzene materials," Mol. Cryst. Liq. Cryst. 446, 61-70 (2006).
    [CrossRef]
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    [CrossRef]
  11. L. Nedelchev, A. Matharu, L. Nikolova, S. Hvilsted, and P. S. Ramanujam, "Propagation of polarized light through azobenzene polymer films," Mol. Cryst. Liq. Cryst. 375, 563-575 (2002).
    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef]
  16. H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
    [CrossRef]

2006

M. J. Kim, S. J. Yoo, and D. Y. Kim, "A supramolecular chiroptical switch using an amorphous azobenzene polymer," Adv. Funct. Mater. 16, 2089-2094 (2006).
[CrossRef]

H. Sumimura, T. Fukuda, J. Y. Kim, D. Barada, M. Itoh, and T. Yatagai, "Photoinduced chirality in an azobenzene amorphous copolymer bearing large birefringent moiety," Jpn. J. Appl. Phys. 45, 451-455 (2006).
[CrossRef]

T. Fukuda, J. Y. Kim, D. Barada, and K. Yase, "Photoinduced molecular re-orientation and supramolecular helical structure formation in azobenzene materials," Mol. Cryst. Liq. Cryst. 446, 61-70 (2006).
[CrossRef]

J. Y. Kim and T. Fukuda, "Large photo-induced birefringence in azobenzene copolymer," Mol. Cryst. Liq. Cryst. 446, 71-80 (2006).
[CrossRef]

2003

H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
[CrossRef]

2002

S. Pages, F. L. Labarthet, T. Buffeteau, and C. Sourisseau, "Photoinduced linear and/or circular birefringences from light propagation through amorphous or smectic azopolymer films," Appl. Phys. B: Lasers Opt. 75, 541-548 (2002).
[CrossRef]

L. Nedelchev, A. Matharu, L. Nikolova, S. Hvilsted, and P. S. Ramanujam, "Propagation of polarized light through azobenzene polymer films," Mol. Cryst. Liq. Cryst. 375, 563-575 (2002).
[CrossRef]

M. J. Kim, B. G. Shin, J. J. Kim, and D. Y. Kim, "Photoinduced supramolecular chirality in amorphous azobenzene polymer films," J. Am. Chem. Soc. 124, 3504-3505 (2002).
[CrossRef] [PubMed]

2001

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

2000

G. Iftime, F. L. Labarthet, A. Natansohn, and P. Rochon, "Control of chirality of an azobenzene liquid crystalline polymer with circularly polarized light," J. Am. Chem. Soc. 122, 12646-12650 (2000).
[CrossRef]

L. Nikolova, L. Nedelchev, T. Todorov, Tz. Petrova, N. Tomova, and V. Dragostinova, "Self-induced light polarization rotation in azobenzene-containing polymers," Appl. Phys. Lett. 77, 657-659 (2000).
[CrossRef]

1997

L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Photoinduced circular anisotropy in side-chain azobenzene polyesters," Opt. Mater. 8, 255-258 (1997).
[CrossRef]

1986

R. M. A. Azzam and N. M. Bashara, Ellipsometry and Polarized Light (North-Holland Personal Library, 1986).

1973

1972

Andruzzi, F.

L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Photoinduced circular anisotropy in side-chain azobenzene polyesters," Opt. Mater. 8, 255-258 (1997).
[CrossRef]

Azzam, R. M. A.

Barada, D.

H. Sumimura, T. Fukuda, J. Y. Kim, D. Barada, M. Itoh, and T. Yatagai, "Photoinduced chirality in an azobenzene amorphous copolymer bearing large birefringent moiety," Jpn. J. Appl. Phys. 45, 451-455 (2006).
[CrossRef]

T. Fukuda, J. Y. Kim, D. Barada, and K. Yase, "Photoinduced molecular re-orientation and supramolecular helical structure formation in azobenzene materials," Mol. Cryst. Liq. Cryst. 446, 61-70 (2006).
[CrossRef]

Bashara, N. M.

Buffeteau, T.

S. Pages, F. L. Labarthet, T. Buffeteau, and C. Sourisseau, "Photoinduced linear and/or circular birefringences from light propagation through amorphous or smectic azopolymer films," Appl. Phys. B: Lasers Opt. 75, 541-548 (2002).
[CrossRef]

Dragostinova, V.

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

L. Nikolova, L. Nedelchev, T. Todorov, Tz. Petrova, N. Tomova, and V. Dragostinova, "Self-induced light polarization rotation in azobenzene-containing polymers," Appl. Phys. Lett. 77, 657-659 (2000).
[CrossRef]

Fukuda, T.

J. Y. Kim and T. Fukuda, "Large photo-induced birefringence in azobenzene copolymer," Mol. Cryst. Liq. Cryst. 446, 71-80 (2006).
[CrossRef]

T. Fukuda, J. Y. Kim, D. Barada, and K. Yase, "Photoinduced molecular re-orientation and supramolecular helical structure formation in azobenzene materials," Mol. Cryst. Liq. Cryst. 446, 61-70 (2006).
[CrossRef]

H. Sumimura, T. Fukuda, J. Y. Kim, D. Barada, M. Itoh, and T. Yatagai, "Photoinduced chirality in an azobenzene amorphous copolymer bearing large birefringent moiety," Jpn. J. Appl. Phys. 45, 451-455 (2006).
[CrossRef]

Huang, Y.

H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
[CrossRef]

Hvilsted, S.

L. Nedelchev, A. Matharu, L. Nikolova, S. Hvilsted, and P. S. Ramanujam, "Propagation of polarized light through azobenzene polymer films," Mol. Cryst. Liq. Cryst. 375, 563-575 (2002).
[CrossRef]

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Photoinduced circular anisotropy in side-chain azobenzene polyesters," Opt. Mater. 8, 255-258 (1997).
[CrossRef]

Iftime, G.

G. Iftime, F. L. Labarthet, A. Natansohn, and P. Rochon, "Control of chirality of an azobenzene liquid crystalline polymer with circularly polarized light," J. Am. Chem. Soc. 122, 12646-12650 (2000).
[CrossRef]

Itoh, M.

H. Sumimura, T. Fukuda, J. Y. Kim, D. Barada, M. Itoh, and T. Yatagai, "Photoinduced chirality in an azobenzene amorphous copolymer bearing large birefringent moiety," Jpn. J. Appl. Phys. 45, 451-455 (2006).
[CrossRef]

Ivanov, M.

L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Photoinduced circular anisotropy in side-chain azobenzene polyesters," Opt. Mater. 8, 255-258 (1997).
[CrossRef]

Kim, D. Y.

M. J. Kim, S. J. Yoo, and D. Y. Kim, "A supramolecular chiroptical switch using an amorphous azobenzene polymer," Adv. Funct. Mater. 16, 2089-2094 (2006).
[CrossRef]

M. J. Kim, B. G. Shin, J. J. Kim, and D. Y. Kim, "Photoinduced supramolecular chirality in amorphous azobenzene polymer films," J. Am. Chem. Soc. 124, 3504-3505 (2002).
[CrossRef] [PubMed]

Kim, J. J.

M. J. Kim, B. G. Shin, J. J. Kim, and D. Y. Kim, "Photoinduced supramolecular chirality in amorphous azobenzene polymer films," J. Am. Chem. Soc. 124, 3504-3505 (2002).
[CrossRef] [PubMed]

Kim, J. Y.

H. Sumimura, T. Fukuda, J. Y. Kim, D. Barada, M. Itoh, and T. Yatagai, "Photoinduced chirality in an azobenzene amorphous copolymer bearing large birefringent moiety," Jpn. J. Appl. Phys. 45, 451-455 (2006).
[CrossRef]

T. Fukuda, J. Y. Kim, D. Barada, and K. Yase, "Photoinduced molecular re-orientation and supramolecular helical structure formation in azobenzene materials," Mol. Cryst. Liq. Cryst. 446, 61-70 (2006).
[CrossRef]

J. Y. Kim and T. Fukuda, "Large photo-induced birefringence in azobenzene copolymer," Mol. Cryst. Liq. Cryst. 446, 71-80 (2006).
[CrossRef]

Kim, M. J.

M. J. Kim, S. J. Yoo, and D. Y. Kim, "A supramolecular chiroptical switch using an amorphous azobenzene polymer," Adv. Funct. Mater. 16, 2089-2094 (2006).
[CrossRef]

M. J. Kim, B. G. Shin, J. J. Kim, and D. Y. Kim, "Photoinduced supramolecular chirality in amorphous azobenzene polymer films," J. Am. Chem. Soc. 124, 3504-3505 (2002).
[CrossRef] [PubMed]

Labarthet, F. L.

S. Pages, F. L. Labarthet, T. Buffeteau, and C. Sourisseau, "Photoinduced linear and/or circular birefringences from light propagation through amorphous or smectic azopolymer films," Appl. Phys. B: Lasers Opt. 75, 541-548 (2002).
[CrossRef]

G. Iftime, F. L. Labarthet, A. Natansohn, and P. Rochon, "Control of chirality of an azobenzene liquid crystalline polymer with circularly polarized light," J. Am. Chem. Soc. 122, 12646-12650 (2000).
[CrossRef]

Liang, Z.

H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
[CrossRef]

Lin, W.

H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
[CrossRef]

Liu, Z.

H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
[CrossRef]

Matharu, A.

L. Nedelchev, A. Matharu, L. Nikolova, S. Hvilsted, and P. S. Ramanujam, "Propagation of polarized light through azobenzene polymer films," Mol. Cryst. Liq. Cryst. 375, 563-575 (2002).
[CrossRef]

Natansohn, A.

G. Iftime, F. L. Labarthet, A. Natansohn, and P. Rochon, "Control of chirality of an azobenzene liquid crystalline polymer with circularly polarized light," J. Am. Chem. Soc. 122, 12646-12650 (2000).
[CrossRef]

Nedelchev, L.

L. Nedelchev, A. Matharu, L. Nikolova, S. Hvilsted, and P. S. Ramanujam, "Propagation of polarized light through azobenzene polymer films," Mol. Cryst. Liq. Cryst. 375, 563-575 (2002).
[CrossRef]

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

L. Nikolova, L. Nedelchev, T. Todorov, Tz. Petrova, N. Tomova, and V. Dragostinova, "Self-induced light polarization rotation in azobenzene-containing polymers," Appl. Phys. Lett. 77, 657-659 (2000).
[CrossRef]

Nikolova, L.

L. Nedelchev, A. Matharu, L. Nikolova, S. Hvilsted, and P. S. Ramanujam, "Propagation of polarized light through azobenzene polymer films," Mol. Cryst. Liq. Cryst. 375, 563-575 (2002).
[CrossRef]

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

L. Nikolova, L. Nedelchev, T. Todorov, Tz. Petrova, N. Tomova, and V. Dragostinova, "Self-induced light polarization rotation in azobenzene-containing polymers," Appl. Phys. Lett. 77, 657-659 (2000).
[CrossRef]

L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Photoinduced circular anisotropy in side-chain azobenzene polyesters," Opt. Mater. 8, 255-258 (1997).
[CrossRef]

Pages, S.

S. Pages, F. L. Labarthet, T. Buffeteau, and C. Sourisseau, "Photoinduced linear and/or circular birefringences from light propagation through amorphous or smectic azopolymer films," Appl. Phys. B: Lasers Opt. 75, 541-548 (2002).
[CrossRef]

Petrova, T.

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

Petrova, Tz.

L. Nikolova, L. Nedelchev, T. Todorov, Tz. Petrova, N. Tomova, and V. Dragostinova, "Self-induced light polarization rotation in azobenzene-containing polymers," Appl. Phys. Lett. 77, 657-659 (2000).
[CrossRef]

Ramanujam, P. S.

L. Nedelchev, A. Matharu, L. Nikolova, S. Hvilsted, and P. S. Ramanujam, "Propagation of polarized light through azobenzene polymer films," Mol. Cryst. Liq. Cryst. 375, 563-575 (2002).
[CrossRef]

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Photoinduced circular anisotropy in side-chain azobenzene polyesters," Opt. Mater. 8, 255-258 (1997).
[CrossRef]

Rochon, P.

G. Iftime, F. L. Labarthet, A. Natansohn, and P. Rochon, "Control of chirality of an azobenzene liquid crystalline polymer with circularly polarized light," J. Am. Chem. Soc. 122, 12646-12650 (2000).
[CrossRef]

Shin, B. G.

M. J. Kim, B. G. Shin, J. J. Kim, and D. Y. Kim, "Photoinduced supramolecular chirality in amorphous azobenzene polymer films," J. Am. Chem. Soc. 124, 3504-3505 (2002).
[CrossRef] [PubMed]

Sourisseau, C.

S. Pages, F. L. Labarthet, T. Buffeteau, and C. Sourisseau, "Photoinduced linear and/or circular birefringences from light propagation through amorphous or smectic azopolymer films," Appl. Phys. B: Lasers Opt. 75, 541-548 (2002).
[CrossRef]

Sumimura, H.

H. Sumimura, T. Fukuda, J. Y. Kim, D. Barada, M. Itoh, and T. Yatagai, "Photoinduced chirality in an azobenzene amorphous copolymer bearing large birefringent moiety," Jpn. J. Appl. Phys. 45, 451-455 (2006).
[CrossRef]

Todorov, T.

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

L. Nikolova, L. Nedelchev, T. Todorov, Tz. Petrova, N. Tomova, and V. Dragostinova, "Self-induced light polarization rotation in azobenzene-containing polymers," Appl. Phys. Lett. 77, 657-659 (2000).
[CrossRef]

L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Photoinduced circular anisotropy in side-chain azobenzene polyesters," Opt. Mater. 8, 255-258 (1997).
[CrossRef]

Tomova, N.

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

L. Nikolova, L. Nedelchev, T. Todorov, Tz. Petrova, N. Tomova, and V. Dragostinova, "Self-induced light polarization rotation in azobenzene-containing polymers," Appl. Phys. Lett. 77, 657-659 (2000).
[CrossRef]

Wang, H.

H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
[CrossRef]

Wang, J.

H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
[CrossRef]

Yase, K.

T. Fukuda, J. Y. Kim, D. Barada, and K. Yase, "Photoinduced molecular re-orientation and supramolecular helical structure formation in azobenzene materials," Mol. Cryst. Liq. Cryst. 446, 61-70 (2006).
[CrossRef]

Yatagai, T.

H. Sumimura, T. Fukuda, J. Y. Kim, D. Barada, M. Itoh, and T. Yatagai, "Photoinduced chirality in an azobenzene amorphous copolymer bearing large birefringent moiety," Jpn. J. Appl. Phys. 45, 451-455 (2006).
[CrossRef]

Yoo, S. J.

M. J. Kim, S. J. Yoo, and D. Y. Kim, "A supramolecular chiroptical switch using an amorphous azobenzene polymer," Adv. Funct. Mater. 16, 2089-2094 (2006).
[CrossRef]

Zhao, F.

H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
[CrossRef]

Adv. Funct. Mater.

M. J. Kim, S. J. Yoo, and D. Y. Kim, "A supramolecular chiroptical switch using an amorphous azobenzene polymer," Adv. Funct. Mater. 16, 2089-2094 (2006).
[CrossRef]

Appl. Opt.

Appl. Phys. B: Lasers Opt.

S. Pages, F. L. Labarthet, T. Buffeteau, and C. Sourisseau, "Photoinduced linear and/or circular birefringences from light propagation through amorphous or smectic azopolymer films," Appl. Phys. B: Lasers Opt. 75, 541-548 (2002).
[CrossRef]

Appl. Phys. Lett.

H. Wang, Y. Huang, Z. Liu, F. Zhao, W. Lin, J. Wang, and Z. Liang, "Ultrafast photoinduced anisotropy and optical switching in azobenzene sidechain polymers," Appl. Phys. Lett. 82, 3394-3396 (2003).
[CrossRef]

L. Nikolova, L. Nedelchev, T. Todorov, Tz. Petrova, N. Tomova, and V. Dragostinova, "Self-induced light polarization rotation in azobenzene-containing polymers," Appl. Phys. Lett. 77, 657-659 (2000).
[CrossRef]

J. Am. Chem. Soc.

M. J. Kim, B. G. Shin, J. J. Kim, and D. Y. Kim, "Photoinduced supramolecular chirality in amorphous azobenzene polymer films," J. Am. Chem. Soc. 124, 3504-3505 (2002).
[CrossRef] [PubMed]

G. Iftime, F. L. Labarthet, A. Natansohn, and P. Rochon, "Control of chirality of an azobenzene liquid crystalline polymer with circularly polarized light," J. Am. Chem. Soc. 122, 12646-12650 (2000).
[CrossRef]

J. Opt. A: Pure Appl. Opt.

L. Nedelchev, L. Nikolova, T. Todorov, T. Petrova, N. Tomova, V. Dragostinova, P. S. Ramanujam, and S. Hvilsted, "Light propagation through photoinduced chiral structures in azobenzene-containing polymers," J. Opt. A: Pure Appl. Opt. 3, 304-310 (2001).
[CrossRef]

Jpn. J. Appl. Phys.

H. Sumimura, T. Fukuda, J. Y. Kim, D. Barada, M. Itoh, and T. Yatagai, "Photoinduced chirality in an azobenzene amorphous copolymer bearing large birefringent moiety," Jpn. J. Appl. Phys. 45, 451-455 (2006).
[CrossRef]

Mol. Cryst. Liq. Cryst.

T. Fukuda, J. Y. Kim, D. Barada, and K. Yase, "Photoinduced molecular re-orientation and supramolecular helical structure formation in azobenzene materials," Mol. Cryst. Liq. Cryst. 446, 61-70 (2006).
[CrossRef]

J. Y. Kim and T. Fukuda, "Large photo-induced birefringence in azobenzene copolymer," Mol. Cryst. Liq. Cryst. 446, 71-80 (2006).
[CrossRef]

L. Nedelchev, A. Matharu, L. Nikolova, S. Hvilsted, and P. S. Ramanujam, "Propagation of polarized light through azobenzene polymer films," Mol. Cryst. Liq. Cryst. 375, 563-575 (2002).
[CrossRef]

Opt. Mater.

L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Photoinduced circular anisotropy in side-chain azobenzene polyesters," Opt. Mater. 8, 255-258 (1997).
[CrossRef]

Other

R. M. A. Azzam and N. M. Bashara, Ellipsometry and Polarized Light (North-Holland Personal Library, 1986).

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Figures (5)

Fig. 1
Fig. 1

Chemical structure of PCDY50.

Fig. 2
Fig. 2

Experimental setup of the pump–probe system. LP, linear polarizer; QW, quarter-wave plate; HW, half-wave plate; PM, polarimeter.

Fig. 3
Fig. 3

Time course of pump light through the sample.

Fig. 4
Fig. 4

Comparison between data obtained from ellipsometric analysis (solid curve) and experimental results (circles) in output (a) ellipticity and (b) rotation angle.

Fig. 5
Fig. 5

IES (black curve) and IAS (gray curve). Incident polarization conditions that turn out to be right circularly polarized light (upward triangle) and left circularly polarized light (downward triangle).

Tables (2)

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Table 1 Reference Data for Jones Matrix

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Table 2 List of Designed Optical Functions a

Equations (20)

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χ = tan ( ϵ + π / 4 ) exp ( i 2 θ ) ,
e = tan ( ϵ ) .
tan ( ϵ ) = | χ | 1 | χ | + 1 ,
θ = arg ( χ ) / 2 .
χ o u t = T 22 χ i n + T 21 T 12 χ i n + T 11 ,
T = [ T 11 T 12 T 21 T 22 ] .
T 11 = χ i n 2 χ i n 1 H ,
T 12 = H 1 ,
T 21 = χ i n 2 χ o u t 1 χ i n 1 χ o u t 2 H ,
T 22 = χ o u t 1 + χ o u t 2 H ,
H = ( χ o u t 3 χ o u t 1 ) ( χ i n 3 χ i n 2 ) ( χ o u t 3 χ o u t 2 ) ( χ i n 3 χ i n 1 ) .
| χ i n | = | χ o u t | .
arg ( χ i n ) = arg ( χ o u t ) .
Q 1 | χ | 2 Q 2 = 0 ( for   IES ) ,
Q 3 Re ( χ ) Q 4 Im ( χ ) = 0 ( for   IAS ) ,
Q 1 = | T 12 | 2 | χ | 2 + 2 Re ( T 11 × T 12 ) Re ( χ ) 2 Im ( T 11 × T 12 ) Im ( χ ) + | T 11 | 2 ,
Q 2 = | T 22 | 2 | χ | 2 + 2 Re ( T 21 × T 22 ) Re ( χ ) 2 Im ( T 21 × T 22 ) Im ( χ ) + | T 21 | 2 ,
Q 3 = Im ( T 12 × T 22 ) | χ | 2 + Im ( T 12 × T 21 + T 11 × T 22 ) Re ( χ ) Re ( T 12 × T 21 T 11 × T 22 ) Im ( χ ) + Im ( T 11 × T 21 ) ,
Q 4 = Re ( T 12 × T 22 ) | χ | 2 + Re ( T 12 × T 21 + T 11 × T 22 ) Re ( χ ) + Im ( T 12 × T 21 T 11 × T 22 ) Im ( χ ) + Re ( T 11 × T 21 ) .
T = [ 0.6688 + 0.4738 i 0.1236 + 0.1059 i 0.0101 + 0.1547 i 0.6539 + 0.4562 i ] .

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