Abstract

The optical constants, birefringence and dichroism of liquid crystals BL037 and GT3-23001 are investigated in the frequency range 0.4-4 THz using time-domain spectroscopy. A specially designed bias cell is described which allows the orientational dependence of optical properties to be observed.

© 2013 OSA

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  1. Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe, M. Yamashita, and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys.71(6), 061701 (2005).
    [CrossRef] [PubMed]
  2. J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
    [CrossRef]
  3. R.-P. Pan, T.-R. Tsai, C.-Y. Chen, and C.-L. Pan, “Optical constants of two typical liquid crystals 5CB and PCH5 in the THz frequency range,” J. Biol. Phys.29(2/3), 335–338 (2003).
    [CrossRef] [PubMed]
  4. T.-R. Tsai, C.-Y. Chen, C.-L. Pan, R.-P. Pan, and X.-C. Zhang, “Terahertz time-domain spectroscopy studies of the optical constants of the nematic liquid crystal 5CB,” Appl. Opt.42(13), 2372–2376 (2003).
    [CrossRef] [PubMed]
  5. R.-P. Pan, T.-R. Tsai, C.-Y. Chen, C.-H. Wang, and C.-L. Pan, “The refractive indices of nematic liquid crystal 4’-n-pentyl-4-cyanobiphenyl in the THz frequency range,” Mol. Cryst. Liq. Cryst.409(1), 137–144 (2004).
    [CrossRef]
  6. R.-P. Pan, C.-F. Hsieh, C.-L. Pan, and C.-Y. Chen, “Temperature-dependent optical constants and birefringence of nematic liquid crystal 5CB in the terahertz frequency range,” J. Appl. Phys.103(9), 093523 (2008).
    [CrossRef]
  7. O. Trushkevych, H. Xu, T. Lu, J. A. Zeitler, R. Rungsawang, F. Gölden, N. Collings, and W. A. Crossland, “Broad spectrum measurement of the birefringence of an isothiocyanate based liquid crystal,” Appl. Opt.49(28), 5212–5216 (2010).
    [CrossRef] [PubMed]
  8. C.-C. Yang, C.-J. Lin, R.-R. Pan, C. T. Que, K. Yamamoto, M. Tani, and C.-L. Pan, “The complex refractive indices of the liquid crystal mixture E7 in the terahertz frequency range,” J. Opt. Soc. Am. B27(9), 1866–1873 (2010).
    [CrossRef]
  9. C.-P. Ku, C.-C. Shih, C.-J. Lin, R.-P. Pan, and C.-L. Pan, “THz optical constants of the liquid crystal MDA-00-3461,” Mol. Cryst. Liq. Cryst.541(1), 65/[303]–70/[308] (2011).
    [CrossRef]
  10. L. Wang, X. W. Lin, X. Liang, J.-B. Wu, W. Hu, Z.-G. Zheng, B.-B. Jin, Y.-Q. Qin, and Y.-Q. Lu, “Large birefrigence liquid crystal material in terahertz range,” Opt. Mater. Express2(10), 1314–1319 (2012).
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  11. H. Park, E. P. J. Parrott, F. Fan, M. Lim, H. Han, V. G. Chigrinov, and E. Pickwell-MacPherson, “Evaluating liquid crystal properties for use in terahertz devices,” Opt. Express20(11), 11899–11905 (2012).
    [CrossRef] [PubMed]
  12. R. Wilk, N. Vieweg, O. Kopschinski, T. Hasek, and M. Koch, “THz spectroscopy of liquid crystals from the CB family,” J. Infrared Milli. Terahz. Waves30(11), 1139–1147 (2009).
    [CrossRef]
  13. N. Vieweg, C. Jansen, M. K. Shakfa, M. Scheller, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “Molecular properties of liquid crystals in the terahertz frequency range,” Opt. Express18(6), 6097–6107 (2010).
    [CrossRef] [PubMed]
  14. N. Vieweg, M. K. Shakfa, B. Scherger, M. Mikulics, and M. Koch, “THz properties of nematic liquid crystals,” J. Infrared Milli. Terahz. Waves31(11), 1312–1320 (2010).
    [CrossRef]
  15. N. Vieweg and M. Koch, “Terahertz properties of liquid crystals with negative dielectric anisotropy,” Appl. Opt.49(30), 5764–5767 (2010).
    [CrossRef] [PubMed]
  16. N. Vieweg, M. K. Shakfa, and M. Koch, “BL037: A nematic mixture with high terahertz birefringence,” Opt. Commun.284(7), 1887–1889 (2011).
    [CrossRef]
  17. M. Reuter, K. Altmann, N. Vieweg, K. Garbat, R. Dabrowski, and M. Koch, “Highly birefrigent liquid crystal for THz applications,” in Microwave Conference (GeMiC), 2012 The 7th German (March 2012), pp. 1–3, 12–14.
  18. A. Podzorov and G. Gallot, “Low-loss polymers for terahertz applications,” Appl. Opt.47(18), 3254–3257 (2008).
    [CrossRef] [PubMed]
  19. S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
    [CrossRef]
  20. M. Naftaly and R. A. Dudley, “Methodologies for determining the dynamic ranges and signal-to-noise ratios of terahertz time-domain spectrometers,” Opt. Lett.34(8), 1213–1215 (2009).
    [CrossRef] [PubMed]
  21. P. U. Jepsen and B. M. Fischer, “Dynamic range in terahertz time-domain transmission and reflection spectroscopy,” Opt. Lett.30(1), 29–31 (2005).
    [CrossRef] [PubMed]
  22. S. R. Tripathi, M. Aoki, K. Mochizuki, I. Hosako, T. Asahi, and N. Hiromoto, “Practical method to estimate the standard deviation in absorption coefficients measured with THz time-domain spectroscopy,” Opt. Commun.283(12), 2488–2491 (2010).
    [CrossRef]
  23. G. J. Evans, J. K. Moscicki, and M. W. Evans, “The Poley absorption in liquid crystal,” J. Mol. Liq.32(2), 149–160 (1986).
    [CrossRef]
  24. G. P. Johari, “Molecular inertial effects in liquids: Poley absorption, collision-induced absorption, low-frequency Raman spectrum and Boson peaks,” J. Non-Cryst. Solids307–310, 114–127 (2002).
    [CrossRef]

2012 (2)

2011 (3)

N. Vieweg, M. K. Shakfa, and M. Koch, “BL037: A nematic mixture with high terahertz birefringence,” Opt. Commun.284(7), 1887–1889 (2011).
[CrossRef]

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

C.-P. Ku, C.-C. Shih, C.-J. Lin, R.-P. Pan, and C.-L. Pan, “THz optical constants of the liquid crystal MDA-00-3461,” Mol. Cryst. Liq. Cryst.541(1), 65/[303]–70/[308] (2011).
[CrossRef]

2010 (6)

2009 (2)

R. Wilk, N. Vieweg, O. Kopschinski, T. Hasek, and M. Koch, “THz spectroscopy of liquid crystals from the CB family,” J. Infrared Milli. Terahz. Waves30(11), 1139–1147 (2009).
[CrossRef]

M. Naftaly and R. A. Dudley, “Methodologies for determining the dynamic ranges and signal-to-noise ratios of terahertz time-domain spectrometers,” Opt. Lett.34(8), 1213–1215 (2009).
[CrossRef] [PubMed]

2008 (2)

A. Podzorov and G. Gallot, “Low-loss polymers for terahertz applications,” Appl. Opt.47(18), 3254–3257 (2008).
[CrossRef] [PubMed]

R.-P. Pan, C.-F. Hsieh, C.-L. Pan, and C.-Y. Chen, “Temperature-dependent optical constants and birefringence of nematic liquid crystal 5CB in the terahertz frequency range,” J. Appl. Phys.103(9), 093523 (2008).
[CrossRef]

2006 (1)

J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
[CrossRef]

2005 (2)

Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe, M. Yamashita, and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys.71(6), 061701 (2005).
[CrossRef] [PubMed]

P. U. Jepsen and B. M. Fischer, “Dynamic range in terahertz time-domain transmission and reflection spectroscopy,” Opt. Lett.30(1), 29–31 (2005).
[CrossRef] [PubMed]

2004 (1)

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, C.-H. Wang, and C.-L. Pan, “The refractive indices of nematic liquid crystal 4’-n-pentyl-4-cyanobiphenyl in the THz frequency range,” Mol. Cryst. Liq. Cryst.409(1), 137–144 (2004).
[CrossRef]

2003 (2)

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, and C.-L. Pan, “Optical constants of two typical liquid crystals 5CB and PCH5 in the THz frequency range,” J. Biol. Phys.29(2/3), 335–338 (2003).
[CrossRef] [PubMed]

T.-R. Tsai, C.-Y. Chen, C.-L. Pan, R.-P. Pan, and X.-C. Zhang, “Terahertz time-domain spectroscopy studies of the optical constants of the nematic liquid crystal 5CB,” Appl. Opt.42(13), 2372–2376 (2003).
[CrossRef] [PubMed]

2002 (1)

G. P. Johari, “Molecular inertial effects in liquids: Poley absorption, collision-induced absorption, low-frequency Raman spectrum and Boson peaks,” J. Non-Cryst. Solids307–310, 114–127 (2002).
[CrossRef]

1986 (1)

G. J. Evans, J. K. Moscicki, and M. W. Evans, “The Poley absorption in liquid crystal,” J. Mol. Liq.32(2), 149–160 (1986).
[CrossRef]

Aoki, M.

S. R. Tripathi, M. Aoki, K. Mochizuki, I. Hosako, T. Asahi, and N. Hiromoto, “Practical method to estimate the standard deviation in absorption coefficients measured with THz time-domain spectroscopy,” Opt. Commun.283(12), 2488–2491 (2010).
[CrossRef]

Asahi, T.

S. R. Tripathi, M. Aoki, K. Mochizuki, I. Hosako, T. Asahi, and N. Hiromoto, “Practical method to estimate the standard deviation in absorption coefficients measured with THz time-domain spectroscopy,” Opt. Commun.283(12), 2488–2491 (2010).
[CrossRef]

Chatterjee, S.

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

Chen, C.-Y.

R.-P. Pan, C.-F. Hsieh, C.-L. Pan, and C.-Y. Chen, “Temperature-dependent optical constants and birefringence of nematic liquid crystal 5CB in the terahertz frequency range,” J. Appl. Phys.103(9), 093523 (2008).
[CrossRef]

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, C.-H. Wang, and C.-L. Pan, “The refractive indices of nematic liquid crystal 4’-n-pentyl-4-cyanobiphenyl in the THz frequency range,” Mol. Cryst. Liq. Cryst.409(1), 137–144 (2004).
[CrossRef]

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, and C.-L. Pan, “Optical constants of two typical liquid crystals 5CB and PCH5 in the THz frequency range,” J. Biol. Phys.29(2/3), 335–338 (2003).
[CrossRef] [PubMed]

T.-R. Tsai, C.-Y. Chen, C.-L. Pan, R.-P. Pan, and X.-C. Zhang, “Terahertz time-domain spectroscopy studies of the optical constants of the nematic liquid crystal 5CB,” Appl. Opt.42(13), 2372–2376 (2003).
[CrossRef] [PubMed]

Chigrinov, V. G.

Collings, N.

Crossland, W. A.

Dudley, R. A.

Evans, G. J.

G. J. Evans, J. K. Moscicki, and M. W. Evans, “The Poley absorption in liquid crystal,” J. Mol. Liq.32(2), 149–160 (1986).
[CrossRef]

Evans, M. W.

G. J. Evans, J. K. Moscicki, and M. W. Evans, “The Poley absorption in liquid crystal,” J. Mol. Liq.32(2), 149–160 (1986).
[CrossRef]

Fan, F.

Fischer, B. M.

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

P. U. Jepsen and B. M. Fischer, “Dynamic range in terahertz time-domain transmission and reflection spectroscopy,” Opt. Lett.30(1), 29–31 (2005).
[CrossRef] [PubMed]

Gallot, G.

Gölden, F.

Han, H.

Hasek, T.

R. Wilk, N. Vieweg, O. Kopschinski, T. Hasek, and M. Koch, “THz spectroscopy of liquid crystals from the CB family,” J. Infrared Milli. Terahz. Waves30(11), 1139–1147 (2009).
[CrossRef]

Hiromoto, N.

S. R. Tripathi, M. Aoki, K. Mochizuki, I. Hosako, T. Asahi, and N. Hiromoto, “Practical method to estimate the standard deviation in absorption coefficients measured with THz time-domain spectroscopy,” Opt. Commun.283(12), 2488–2491 (2010).
[CrossRef]

Hosako, I.

S. R. Tripathi, M. Aoki, K. Mochizuki, I. Hosako, T. Asahi, and N. Hiromoto, “Practical method to estimate the standard deviation in absorption coefficients measured with THz time-domain spectroscopy,” Opt. Commun.283(12), 2488–2491 (2010).
[CrossRef]

Hsieh, C.-F.

R.-P. Pan, C.-F. Hsieh, C.-L. Pan, and C.-Y. Chen, “Temperature-dependent optical constants and birefringence of nematic liquid crystal 5CB in the terahertz frequency range,” J. Appl. Phys.103(9), 093523 (2008).
[CrossRef]

Hu, W.

Ishikawa, K.

Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe, M. Yamashita, and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys.71(6), 061701 (2005).
[CrossRef] [PubMed]

Jansen, C.

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

N. Vieweg, C. Jansen, M. K. Shakfa, M. Scheller, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “Molecular properties of liquid crystals in the terahertz frequency range,” Opt. Express18(6), 6097–6107 (2010).
[CrossRef] [PubMed]

Jepsen, P. U.

Jin, B.-B.

Johari, G. P.

G. P. Johari, “Molecular inertial effects in liquids: Poley absorption, collision-induced absorption, low-frequency Raman spectrum and Boson peaks,” J. Non-Cryst. Solids307–310, 114–127 (2002).
[CrossRef]

Jung, T.

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

Kawase, K.

Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe, M. Yamashita, and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys.71(6), 061701 (2005).
[CrossRef] [PubMed]

Koch, M.

N. Vieweg, M. K. Shakfa, and M. Koch, “BL037: A nematic mixture with high terahertz birefringence,” Opt. Commun.284(7), 1887–1889 (2011).
[CrossRef]

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

N. Vieweg, C. Jansen, M. K. Shakfa, M. Scheller, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “Molecular properties of liquid crystals in the terahertz frequency range,” Opt. Express18(6), 6097–6107 (2010).
[CrossRef] [PubMed]

N. Vieweg, M. K. Shakfa, B. Scherger, M. Mikulics, and M. Koch, “THz properties of nematic liquid crystals,” J. Infrared Milli. Terahz. Waves31(11), 1312–1320 (2010).
[CrossRef]

N. Vieweg and M. Koch, “Terahertz properties of liquid crystals with negative dielectric anisotropy,” Appl. Opt.49(30), 5764–5767 (2010).
[CrossRef] [PubMed]

R. Wilk, N. Vieweg, O. Kopschinski, T. Hasek, and M. Koch, “THz spectroscopy of liquid crystals from the CB family,” J. Infrared Milli. Terahz. Waves30(11), 1139–1147 (2009).
[CrossRef]

Kopschinski, O.

R. Wilk, N. Vieweg, O. Kopschinski, T. Hasek, and M. Koch, “THz spectroscopy of liquid crystals from the CB family,” J. Infrared Milli. Terahz. Waves30(11), 1139–1147 (2009).
[CrossRef]

Kraft, D.

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

Krumbholz, N.

Ku, C.-P.

C.-P. Ku, C.-C. Shih, C.-J. Lin, R.-P. Pan, and C.-L. Pan, “THz optical constants of the liquid crystal MDA-00-3461,” Mol. Cryst. Liq. Cryst.541(1), 65/[303]–70/[308] (2011).
[CrossRef]

Liang, X.

Lim, M.

Lin, C.-J.

C.-P. Ku, C.-C. Shih, C.-J. Lin, R.-P. Pan, and C.-L. Pan, “THz optical constants of the liquid crystal MDA-00-3461,” Mol. Cryst. Liq. Cryst.541(1), 65/[303]–70/[308] (2011).
[CrossRef]

C.-C. Yang, C.-J. Lin, R.-R. Pan, C. T. Que, K. Yamamoto, M. Tani, and C.-L. Pan, “The complex refractive indices of the liquid crystal mixture E7 in the terahertz frequency range,” J. Opt. Soc. Am. B27(9), 1866–1873 (2010).
[CrossRef]

Lin, X. W.

Lu, T.

Lu, Y.-Q.

Mikulics, M.

N. Vieweg, C. Jansen, M. K. Shakfa, M. Scheller, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “Molecular properties of liquid crystals in the terahertz frequency range,” Opt. Express18(6), 6097–6107 (2010).
[CrossRef] [PubMed]

N. Vieweg, M. K. Shakfa, B. Scherger, M. Mikulics, and M. Koch, “THz properties of nematic liquid crystals,” J. Infrared Milli. Terahz. Waves31(11), 1312–1320 (2010).
[CrossRef]

Mochizuki, K.

S. R. Tripathi, M. Aoki, K. Mochizuki, I. Hosako, T. Asahi, and N. Hiromoto, “Practical method to estimate the standard deviation in absorption coefficients measured with THz time-domain spectroscopy,” Opt. Commun.283(12), 2488–2491 (2010).
[CrossRef]

Moscicki, J. K.

G. J. Evans, J. K. Moscicki, and M. W. Evans, “The Poley absorption in liquid crystal,” J. Mol. Liq.32(2), 149–160 (1986).
[CrossRef]

Naftaly, M.

Nishizawa, J.-I.

J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
[CrossRef]

Pan, C.-L.

C.-P. Ku, C.-C. Shih, C.-J. Lin, R.-P. Pan, and C.-L. Pan, “THz optical constants of the liquid crystal MDA-00-3461,” Mol. Cryst. Liq. Cryst.541(1), 65/[303]–70/[308] (2011).
[CrossRef]

C.-C. Yang, C.-J. Lin, R.-R. Pan, C. T. Que, K. Yamamoto, M. Tani, and C.-L. Pan, “The complex refractive indices of the liquid crystal mixture E7 in the terahertz frequency range,” J. Opt. Soc. Am. B27(9), 1866–1873 (2010).
[CrossRef]

R.-P. Pan, C.-F. Hsieh, C.-L. Pan, and C.-Y. Chen, “Temperature-dependent optical constants and birefringence of nematic liquid crystal 5CB in the terahertz frequency range,” J. Appl. Phys.103(9), 093523 (2008).
[CrossRef]

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, C.-H. Wang, and C.-L. Pan, “The refractive indices of nematic liquid crystal 4’-n-pentyl-4-cyanobiphenyl in the THz frequency range,” Mol. Cryst. Liq. Cryst.409(1), 137–144 (2004).
[CrossRef]

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, and C.-L. Pan, “Optical constants of two typical liquid crystals 5CB and PCH5 in the THz frequency range,” J. Biol. Phys.29(2/3), 335–338 (2003).
[CrossRef] [PubMed]

T.-R. Tsai, C.-Y. Chen, C.-L. Pan, R.-P. Pan, and X.-C. Zhang, “Terahertz time-domain spectroscopy studies of the optical constants of the nematic liquid crystal 5CB,” Appl. Opt.42(13), 2372–2376 (2003).
[CrossRef] [PubMed]

Pan, R.-P.

C.-P. Ku, C.-C. Shih, C.-J. Lin, R.-P. Pan, and C.-L. Pan, “THz optical constants of the liquid crystal MDA-00-3461,” Mol. Cryst. Liq. Cryst.541(1), 65/[303]–70/[308] (2011).
[CrossRef]

R.-P. Pan, C.-F. Hsieh, C.-L. Pan, and C.-Y. Chen, “Temperature-dependent optical constants and birefringence of nematic liquid crystal 5CB in the terahertz frequency range,” J. Appl. Phys.103(9), 093523 (2008).
[CrossRef]

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, C.-H. Wang, and C.-L. Pan, “The refractive indices of nematic liquid crystal 4’-n-pentyl-4-cyanobiphenyl in the THz frequency range,” Mol. Cryst. Liq. Cryst.409(1), 137–144 (2004).
[CrossRef]

T.-R. Tsai, C.-Y. Chen, C.-L. Pan, R.-P. Pan, and X.-C. Zhang, “Terahertz time-domain spectroscopy studies of the optical constants of the nematic liquid crystal 5CB,” Appl. Opt.42(13), 2372–2376 (2003).
[CrossRef] [PubMed]

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, and C.-L. Pan, “Optical constants of two typical liquid crystals 5CB and PCH5 in the THz frequency range,” J. Biol. Phys.29(2/3), 335–338 (2003).
[CrossRef] [PubMed]

Pan, R.-R.

Park, H.

Parrott, E. P. J.

Pickwell-MacPherson, E.

Podzorov, A.

Qin, Y.-Q.

Que, C. T.

Reuter, M.

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

Rungsawang, R.

Sasaki, T.

J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
[CrossRef]

Scheller, M.

Scherger, B.

N. Vieweg, M. K. Shakfa, B. Scherger, M. Mikulics, and M. Koch, “THz properties of nematic liquid crystals,” J. Infrared Milli. Terahz. Waves31(11), 1312–1320 (2010).
[CrossRef]

Shakfa, M. K.

N. Vieweg, M. K. Shakfa, and M. Koch, “BL037: A nematic mixture with high terahertz birefringence,” Opt. Commun.284(7), 1887–1889 (2011).
[CrossRef]

N. Vieweg, M. K. Shakfa, B. Scherger, M. Mikulics, and M. Koch, “THz properties of nematic liquid crystals,” J. Infrared Milli. Terahz. Waves31(11), 1312–1320 (2010).
[CrossRef]

N. Vieweg, C. Jansen, M. K. Shakfa, M. Scheller, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “Molecular properties of liquid crystals in the terahertz frequency range,” Opt. Express18(6), 6097–6107 (2010).
[CrossRef] [PubMed]

Shih, C.-C.

C.-P. Ku, C.-C. Shih, C.-J. Lin, R.-P. Pan, and C.-L. Pan, “THz optical constants of the liquid crystal MDA-00-3461,” Mol. Cryst. Liq. Cryst.541(1), 65/[303]–70/[308] (2011).
[CrossRef]

Suto, K.

J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
[CrossRef]

Takanishi, Y.

Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe, M. Yamashita, and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys.71(6), 061701 (2005).
[CrossRef] [PubMed]

Takezoe, H.

Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe, M. Yamashita, and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys.71(6), 061701 (2005).
[CrossRef] [PubMed]

Tanabe, T.

J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
[CrossRef]

Tani, M.

Tanno, T.

J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
[CrossRef]

Tripathi, S. R.

S. R. Tripathi, M. Aoki, K. Mochizuki, I. Hosako, T. Asahi, and N. Hiromoto, “Practical method to estimate the standard deviation in absorption coefficients measured with THz time-domain spectroscopy,” Opt. Commun.283(12), 2488–2491 (2010).
[CrossRef]

Trushkevych, O.

Tsai, T.-R.

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, C.-H. Wang, and C.-L. Pan, “The refractive indices of nematic liquid crystal 4’-n-pentyl-4-cyanobiphenyl in the THz frequency range,” Mol. Cryst. Liq. Cryst.409(1), 137–144 (2004).
[CrossRef]

T.-R. Tsai, C.-Y. Chen, C.-L. Pan, R.-P. Pan, and X.-C. Zhang, “Terahertz time-domain spectroscopy studies of the optical constants of the nematic liquid crystal 5CB,” Appl. Opt.42(13), 2372–2376 (2003).
[CrossRef] [PubMed]

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, and C.-L. Pan, “Optical constants of two typical liquid crystals 5CB and PCH5 in the THz frequency range,” J. Biol. Phys.29(2/3), 335–338 (2003).
[CrossRef] [PubMed]

Vieweg, N.

N. Vieweg, M. K. Shakfa, and M. Koch, “BL037: A nematic mixture with high terahertz birefringence,” Opt. Commun.284(7), 1887–1889 (2011).
[CrossRef]

N. Vieweg and M. Koch, “Terahertz properties of liquid crystals with negative dielectric anisotropy,” Appl. Opt.49(30), 5764–5767 (2010).
[CrossRef] [PubMed]

N. Vieweg, M. K. Shakfa, B. Scherger, M. Mikulics, and M. Koch, “THz properties of nematic liquid crystals,” J. Infrared Milli. Terahz. Waves31(11), 1312–1320 (2010).
[CrossRef]

N. Vieweg, C. Jansen, M. K. Shakfa, M. Scheller, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “Molecular properties of liquid crystals in the terahertz frequency range,” Opt. Express18(6), 6097–6107 (2010).
[CrossRef] [PubMed]

R. Wilk, N. Vieweg, O. Kopschinski, T. Hasek, and M. Koch, “THz spectroscopy of liquid crystals from the CB family,” J. Infrared Milli. Terahz. Waves30(11), 1139–1147 (2009).
[CrossRef]

Wadayama, T.

J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
[CrossRef]

Wang, C.-H.

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, C.-H. Wang, and C.-L. Pan, “The refractive indices of nematic liquid crystal 4’-n-pentyl-4-cyanobiphenyl in the THz frequency range,” Mol. Cryst. Liq. Cryst.409(1), 137–144 (2004).
[CrossRef]

Wang, L.

Watanabe, J.

Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe, M. Yamashita, and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys.71(6), 061701 (2005).
[CrossRef] [PubMed]

Wietzke, S.

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

Wilk, R.

N. Vieweg, C. Jansen, M. K. Shakfa, M. Scheller, N. Krumbholz, R. Wilk, M. Mikulics, and M. Koch, “Molecular properties of liquid crystals in the terahertz frequency range,” Opt. Express18(6), 6097–6107 (2010).
[CrossRef] [PubMed]

R. Wilk, N. Vieweg, O. Kopschinski, T. Hasek, and M. Koch, “THz spectroscopy of liquid crystals from the CB family,” J. Infrared Milli. Terahz. Waves30(11), 1139–1147 (2009).
[CrossRef]

Wu, J.-B.

Xu, H.

Yamada, T.

J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
[CrossRef]

Yamamoto, K.

Yamashita, M.

Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe, M. Yamashita, and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys.71(6), 061701 (2005).
[CrossRef] [PubMed]

Yang, C.-C.

Zeitler, J. A.

Zhang, X.-C.

Zheng, Z.-G.

Appl. Opt. (4)

Appl. Surf. Sci. (1)

J.-I. Nishizawa, T. Yamada, T. Sasaki, T. Tanabe, T. Wadayama, T. Tanno, and K. Suto, “Terahertz dichroism of MBBA liquid crystal on rubbed substrate,” Appl. Surf. Sci.252(12), 4226–4229 (2006).
[CrossRef]

J. Appl. Phys. (1)

R.-P. Pan, C.-F. Hsieh, C.-L. Pan, and C.-Y. Chen, “Temperature-dependent optical constants and birefringence of nematic liquid crystal 5CB in the terahertz frequency range,” J. Appl. Phys.103(9), 093523 (2008).
[CrossRef]

J. Biol. Phys. (1)

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, and C.-L. Pan, “Optical constants of two typical liquid crystals 5CB and PCH5 in the THz frequency range,” J. Biol. Phys.29(2/3), 335–338 (2003).
[CrossRef] [PubMed]

J. Infrared Milli. Terahz. Waves (2)

R. Wilk, N. Vieweg, O. Kopschinski, T. Hasek, and M. Koch, “THz spectroscopy of liquid crystals from the CB family,” J. Infrared Milli. Terahz. Waves30(11), 1139–1147 (2009).
[CrossRef]

N. Vieweg, M. K. Shakfa, B. Scherger, M. Mikulics, and M. Koch, “THz properties of nematic liquid crystals,” J. Infrared Milli. Terahz. Waves31(11), 1312–1320 (2010).
[CrossRef]

J. Mol. Liq. (1)

G. J. Evans, J. K. Moscicki, and M. W. Evans, “The Poley absorption in liquid crystal,” J. Mol. Liq.32(2), 149–160 (1986).
[CrossRef]

J. Mol. Struct. (1)

S. Wietzke, C. Jansen, M. Reuter, T. Jung, D. Kraft, S. Chatterjee, B. M. Fischer, and M. Koch, “Terahertz spectroscopy on polymers: a review of morphological studies,” J. Mol. Struct.1006(1-3), 41–51 (2011).
[CrossRef]

J. Non-Cryst. Solids (1)

G. P. Johari, “Molecular inertial effects in liquids: Poley absorption, collision-induced absorption, low-frequency Raman spectrum and Boson peaks,” J. Non-Cryst. Solids307–310, 114–127 (2002).
[CrossRef]

J. Opt. Soc. Am. B (1)

Mol. Cryst. Liq. Cryst. (2)

R.-P. Pan, T.-R. Tsai, C.-Y. Chen, C.-H. Wang, and C.-L. Pan, “The refractive indices of nematic liquid crystal 4’-n-pentyl-4-cyanobiphenyl in the THz frequency range,” Mol. Cryst. Liq. Cryst.409(1), 137–144 (2004).
[CrossRef]

C.-P. Ku, C.-C. Shih, C.-J. Lin, R.-P. Pan, and C.-L. Pan, “THz optical constants of the liquid crystal MDA-00-3461,” Mol. Cryst. Liq. Cryst.541(1), 65/[303]–70/[308] (2011).
[CrossRef]

Opt. Commun. (2)

N. Vieweg, M. K. Shakfa, and M. Koch, “BL037: A nematic mixture with high terahertz birefringence,” Opt. Commun.284(7), 1887–1889 (2011).
[CrossRef]

S. R. Tripathi, M. Aoki, K. Mochizuki, I. Hosako, T. Asahi, and N. Hiromoto, “Practical method to estimate the standard deviation in absorption coefficients measured with THz time-domain spectroscopy,” Opt. Commun.283(12), 2488–2491 (2010).
[CrossRef]

Opt. Express (2)

Opt. Lett. (2)

Opt. Mater. Express (1)

Phys. Rev. E Stat. Nonlin. Soft Matter Phys. (1)

Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe, M. Yamashita, and K. Kawase, “Terahertz spectroscopy in smectic phases of a bent-core molecule,” Phys. Rev. E Stat. Nonlin. Soft Matter Phys.71(6), 061701 (2005).
[CrossRef] [PubMed]

Other (1)

M. Reuter, K. Altmann, N. Vieweg, K. Garbat, R. Dabrowski, and M. Koch, “Highly birefrigent liquid crystal for THz applications,” in Microwave Conference (GeMiC), 2012 The 7th German (March 2012), pp. 1–3, 12–14.

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Figures (3)

Fig. 1
Fig. 1

Schematic drawing of the liquid crystal cell.

Fig. 2
Fig. 2

Refractive indices (a) and absorption coefficients (b) of the liquid crystal BL037.

Fig. 3
Fig. 3

Refractive indices (a) and absorption coefficients (b) of the liquid crystal GT3-23001.

Tables (1)

Tables Icon

Table 1 Optical Constants of Liquid Crystals BL037 and GT3-23001 at 2 THz*

Equations (2)

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α( ν )= 2 d ln[ T E LC (υ) E cell (υ) ]
n( υ )=1+ c[ ϕ LC (υ) ϕ cell (υ) ] 2πνd

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