Abstract

Porous fibers have been identified as a means of achieving low losses, low dispersion and high birefringence among THz polymer fibers. By exploiting optical fiber fabrication techniques, two types of THz polymer porous fibers—spider-web and rectangular porous fibers— with 57% and 65% porosity have been fabricated. The effective refractive index measured by terahertz time domain spectroscopy shows a good agreement between the theoretical and experimental results indicating a lower dispersion for THz porous fiber compared to THz microwires. A birefringence of 0.012 at 0.65 THz is also reported for rectangular porous fiber.

© 2009 Optical Society of America

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  1. S. Atakaramians, S. Afshar Vahid, B. M. Fischer, D. Abbott, and T. M. Monro, "Porous fibers: a novel approach to low loss THz waveguides," Opt. Express 16, 8845-8854 (2008).
    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
  8. A. Hassani, A. Dupuis, and M. Skorobogatiy, "Porous polymer fibers for low-loss Terahertz guiding," Opt. Express 16, 6340-6351 (2008).
    [CrossRef] [PubMed]
  9. A. Hassani, A. Dupuis, and M. Skorobogatiy, "Low loss porous terahertz fibers containing multiple subwavelength holes," Appl. Phys. Lett. 92, 071101 (2008).
    [CrossRef]
  10. S. Atakaramians, S. Afshar, B. M. Fischer, D. Abbott, and T. M. Monro, "Low loss, low dispersion and highly birefringent terahertz porous fibers," Opt. Commun. 282, 36-38 (2008).
    [CrossRef]
  11. H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett. 80, 2634-2636 (2002).
    [CrossRef]
  12. M. Cho, J. Kim, H. Park, Y. Han, K. Moon, E. Jung, and H. Han, "Highly birefringent terahertz polarization maintaining plastic photonic crystal fibers," Opt. Express 16, 7-12 (2008).
    [CrossRef] [PubMed]
  13. C. S. Ponseca, R. Pobre, E. Estacio, N. Sarukura, A. Argyros, M. C. J. Large, and M. A. van Eijkelenborg, "Transmission of terahertz radiation using a microstructured polymer optical fiber," Opt. Lett. 33, 902-904 (2008).
    [CrossRef] [PubMed]
  14. T. M. Monro and H. Ebendorff-Heidepriem, "Progress in microstructured optical fibers," Annual Review of Materials Research 36, 467-495 (2006).
    [CrossRef]
  15. A. Dupuis, J.-F. Allard, D. Morris, K. Stoeffler, C. Dubois, and M. Skorobogatiy, "Fabrication and THz loss measurements of porous subwavelength fibers using a directional coupler method," Opt. Express 17, 8012-8028 (2009).
    [CrossRef] [PubMed]
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    [CrossRef]
  17. H. Ebendorff-Heidepriem and T. M. Monro, "Extrusion of complex preforms for microstructured optical fibers," Opt. Express 15, 15,086-15,096 (2007).
    [CrossRef]
  18. H. Ebendorff-Heidepriem, T. M. Monro, M. A. van Eijkelenborg, and M. C. J. Large, "Extruded high-NA microstructured polymer optical fibre," Opt. Commun. 273, 133-137 (2007).
    [CrossRef]
  19. S. H. Law, M. A. van Eijkelenborg, G. W. Barton, C. Yan, R. Lwin, and J. Gan, "Cleaved end-face quality of microstructured polymer optical fibres," Opt. Commun. 265, 513-520 (2006).
    [CrossRef]
  20. M. W¨achter, M. Nagel, and H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett. 90, 061111 (2007).
    [CrossRef]
  21. D. Grischkowsky, "Optoelectronic Characterization of Transmission Lines and Waveguides by Terahertz Time-Domain Spectroscopy," IEEE J. Sel. Top. Quantum Electron. 6, 1122-1135 (2000).
    [CrossRef]
  22. S. Atakaramians, S. Afshar Vahid, B. M. Fischer, H. Ebendorff-Heidepriem, T. M. Monro, and D. Abbott, "Low loss terahertz transmission," in Proceedings SPIE Micro- and Nanotechnology: Smart Materials, Nano- and Micro-Smart Systems, vol. 6414 (art. no. 64140I, Adelaide, Australia, 10-13 Dec., 2006).

2009 (2)

2008 (7)

2007 (5)

M. W¨achter, M. Nagel, and H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett. 90, 061111 (2007).
[CrossRef]

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

H. Ebendorff-Heidepriem and T. M. Monro, "Extrusion of complex preforms for microstructured optical fibers," Opt. Express 15, 15,086-15,096 (2007).
[CrossRef]

H. Ebendorff-Heidepriem, T. M. Monro, M. A. van Eijkelenborg, and M. C. J. Large, "Extruded high-NA microstructured polymer optical fibre," Opt. Commun. 273, 133-137 (2007).
[CrossRef]

B. Bowden, J. A. Harrington, and O. Mitrofanov, "Silver/polystyrene-coated hollow glass waveguides for the transmission of terahertz radiation," Opt. Lett. 32, 2945-2947 (2007).
[CrossRef] [PubMed]

2006 (3)

S. H. Law, M. A. van Eijkelenborg, G. W. Barton, C. Yan, R. Lwin, and J. Gan, "Cleaved end-face quality of microstructured polymer optical fibres," Opt. Commun. 265, 513-520 (2006).
[CrossRef]

T. M. Monro and H. Ebendorff-Heidepriem, "Progress in microstructured optical fibers," Annual Review of Materials Research 36, 467-495 (2006).
[CrossRef]

L.-J. Chen, H.-W. Chen, T.-F. Kao, J.-Y. Lu, and C.-K. Sun, "Low-loss subwavelength plastic fiber for terahertz waveguiding," Opt. Lett. 31, 308-310 (2006).
[CrossRef] [PubMed]

2004 (1)

G. Barton, M. A. van Eijkelenborg, G. Henry, M. C. J. Large, and J. Zagari, "Fabrication of microstructured polymer optical fibres," Opt. Fiber Technol. 10, 325-335 (2004).
[CrossRef]

2002 (1)

H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett. 80, 2634-2636 (2002).
[CrossRef]

2000 (1)

D. Grischkowsky, "Optoelectronic Characterization of Transmission Lines and Waveguides by Terahertz Time-Domain Spectroscopy," IEEE J. Sel. Top. Quantum Electron. 6, 1122-1135 (2000).
[CrossRef]

Abbott, D.

S. Atakaramians, S. Afshar, B. M. Fischer, D. Abbott, and T. M. Monro, "Low loss, low dispersion and highly birefringent terahertz porous fibers," Opt. Commun. 282, 36-38 (2008).
[CrossRef]

S. Atakaramians, S. Afshar Vahid, B. M. Fischer, D. Abbott, and T. M. Monro, "Porous fibers: a novel approach to low loss THz waveguides," Opt. Express 16, 8845-8854 (2008).
[CrossRef] [PubMed]

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Adam, A. J. L.

Afshar, S.

S. Atakaramians, S. Afshar, B. M. Fischer, D. Abbott, and T. M. Monro, "Low loss, low dispersion and highly birefringent terahertz porous fibers," Opt. Commun. 282, 36-38 (2008).
[CrossRef]

Afshar Vahid, S.

Allard, J.-F.

Argyros, A.

Atakaramians, S.

S. Atakaramians, S. Afshar Vahid, B. M. Fischer, D. Abbott, and T. M. Monro, "Porous fibers: a novel approach to low loss THz waveguides," Opt. Express 16, 8845-8854 (2008).
[CrossRef] [PubMed]

S. Atakaramians, S. Afshar, B. M. Fischer, D. Abbott, and T. M. Monro, "Low loss, low dispersion and highly birefringent terahertz porous fibers," Opt. Commun. 282, 36-38 (2008).
[CrossRef]

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Balakrishnan, J.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Bang, O.

Barton, G.

G. Barton, M. A. van Eijkelenborg, G. Henry, M. C. J. Large, and J. Zagari, "Fabrication of microstructured polymer optical fibres," Opt. Fiber Technol. 10, 325-335 (2004).
[CrossRef]

Barton, G. W.

S. H. Law, M. A. van Eijkelenborg, G. W. Barton, C. Yan, R. Lwin, and J. Gan, "Cleaved end-face quality of microstructured polymer optical fibres," Opt. Commun. 265, 513-520 (2006).
[CrossRef]

Bowden, B.

Chang, H.-C.

J.-Y. Lu, C.-P. Yu, H.-C. Chang, H.-W. Chen, Y.-T. Li, C.-L. Pan, and C.-K. Sun, "Terahertz air-core microstructure fiber," Appl. Phys. Lett. 92, 064105 (2008).
[CrossRef]

Chen, H.-W.

J.-Y. Lu, C.-P. Yu, H.-C. Chang, H.-W. Chen, Y.-T. Li, C.-L. Pan, and C.-K. Sun, "Terahertz air-core microstructure fiber," Appl. Phys. Lett. 92, 064105 (2008).
[CrossRef]

L.-J. Chen, H.-W. Chen, T.-F. Kao, J.-Y. Lu, and C.-K. Sun, "Low-loss subwavelength plastic fiber for terahertz waveguiding," Opt. Lett. 31, 308-310 (2006).
[CrossRef] [PubMed]

Chen, L.-J.

Cho, M.

M. Cho, J. Kim, H. Park, Y. Han, K. Moon, E. Jung, and H. Han, "Highly birefringent terahertz polarization maintaining plastic photonic crystal fibers," Opt. Express 16, 7-12 (2008).
[CrossRef] [PubMed]

H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett. 80, 2634-2636 (2002).
[CrossRef]

Dubois, C.

Dupuis, A.

Ebendorff-Heidepriem, H.

H. Ebendorff-Heidepriem and T. M. Monro, "Extrusion of complex preforms for microstructured optical fibers," Opt. Express 15, 15,086-15,096 (2007).
[CrossRef]

H. Ebendorff-Heidepriem, T. M. Monro, M. A. van Eijkelenborg, and M. C. J. Large, "Extruded high-NA microstructured polymer optical fibre," Opt. Commun. 273, 133-137 (2007).
[CrossRef]

T. M. Monro and H. Ebendorff-Heidepriem, "Progress in microstructured optical fibers," Annual Review of Materials Research 36, 467-495 (2006).
[CrossRef]

Estacio, E.

Ferguson, B.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Fischer, B. M.

S. Atakaramians, S. Afshar, B. M. Fischer, D. Abbott, and T. M. Monro, "Low loss, low dispersion and highly birefringent terahertz porous fibers," Opt. Commun. 282, 36-38 (2008).
[CrossRef]

S. Atakaramians, S. Afshar Vahid, B. M. Fischer, D. Abbott, and T. M. Monro, "Porous fibers: a novel approach to low loss THz waveguides," Opt. Express 16, 8845-8854 (2008).
[CrossRef] [PubMed]

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Gan, J.

S. H. Law, M. A. van Eijkelenborg, G. W. Barton, C. Yan, R. Lwin, and J. Gan, "Cleaved end-face quality of microstructured polymer optical fibres," Opt. Commun. 265, 513-520 (2006).
[CrossRef]

Grischkowsky, D.

D. Grischkowsky, "Optoelectronic Characterization of Transmission Lines and Waveguides by Terahertz Time-Domain Spectroscopy," IEEE J. Sel. Top. Quantum Electron. 6, 1122-1135 (2000).
[CrossRef]

Han, H.

M. Cho, J. Kim, H. Park, Y. Han, K. Moon, E. Jung, and H. Han, "Highly birefringent terahertz polarization maintaining plastic photonic crystal fibers," Opt. Express 16, 7-12 (2008).
[CrossRef] [PubMed]

H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett. 80, 2634-2636 (2002).
[CrossRef]

Han, Y.

Harrington, J. A.

Hassani, A.

A. Hassani, A. Dupuis, and M. Skorobogatiy, "Low loss porous terahertz fibers containing multiple subwavelength holes," Appl. Phys. Lett. 92, 071101 (2008).
[CrossRef]

A. Hassani, A. Dupuis, and M. Skorobogatiy, "Porous polymer fibers for low-loss Terahertz guiding," Opt. Express 16, 6340-6351 (2008).
[CrossRef] [PubMed]

Henry, G.

G. Barton, M. A. van Eijkelenborg, G. Henry, M. C. J. Large, and J. Zagari, "Fabrication of microstructured polymer optical fibres," Opt. Fiber Technol. 10, 325-335 (2004).
[CrossRef]

Jepsen, P. U.

Jones, I.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Jung, E.

Kao, T.-F.

Kim, J.

M. Cho, J. Kim, H. Park, Y. Han, K. Moon, E. Jung, and H. Han, "Highly birefringent terahertz polarization maintaining plastic photonic crystal fibers," Opt. Express 16, 7-12 (2008).
[CrossRef] [PubMed]

H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett. 80, 2634-2636 (2002).
[CrossRef]

Kurz, H.

M. W¨achter, M. Nagel, and H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett. 90, 061111 (2007).
[CrossRef]

Large, M. C. J.

C. S. Ponseca, R. Pobre, E. Estacio, N. Sarukura, A. Argyros, M. C. J. Large, and M. A. van Eijkelenborg, "Transmission of terahertz radiation using a microstructured polymer optical fiber," Opt. Lett. 33, 902-904 (2008).
[CrossRef] [PubMed]

H. Ebendorff-Heidepriem, T. M. Monro, M. A. van Eijkelenborg, and M. C. J. Large, "Extruded high-NA microstructured polymer optical fibre," Opt. Commun. 273, 133-137 (2007).
[CrossRef]

G. Barton, M. A. van Eijkelenborg, G. Henry, M. C. J. Large, and J. Zagari, "Fabrication of microstructured polymer optical fibres," Opt. Fiber Technol. 10, 325-335 (2004).
[CrossRef]

Law, S. H.

S. H. Law, M. A. van Eijkelenborg, G. W. Barton, C. Yan, R. Lwin, and J. Gan, "Cleaved end-face quality of microstructured polymer optical fibres," Opt. Commun. 265, 513-520 (2006).
[CrossRef]

Li, Y.-T.

J.-Y. Lu, C.-P. Yu, H.-C. Chang, H.-W. Chen, Y.-T. Li, C.-L. Pan, and C.-K. Sun, "Terahertz air-core microstructure fiber," Appl. Phys. Lett. 92, 064105 (2008).
[CrossRef]

Lin, H.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Lu, J.-Y.

J.-Y. Lu, C.-P. Yu, H.-C. Chang, H.-W. Chen, Y.-T. Li, C.-L. Pan, and C.-K. Sun, "Terahertz air-core microstructure fiber," Appl. Phys. Lett. 92, 064105 (2008).
[CrossRef]

L.-J. Chen, H.-W. Chen, T.-F. Kao, J.-Y. Lu, and C.-K. Sun, "Low-loss subwavelength plastic fiber for terahertz waveguiding," Opt. Lett. 31, 308-310 (2006).
[CrossRef] [PubMed]

Lwin, R.

S. H. Law, M. A. van Eijkelenborg, G. W. Barton, C. Yan, R. Lwin, and J. Gan, "Cleaved end-face quality of microstructured polymer optical fibres," Opt. Commun. 265, 513-520 (2006).
[CrossRef]

Mickan, S. P.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Mitrofanov, O.

Monro, T. M.

S. Atakaramians, S. Afshar, B. M. Fischer, D. Abbott, and T. M. Monro, "Low loss, low dispersion and highly birefringent terahertz porous fibers," Opt. Commun. 282, 36-38 (2008).
[CrossRef]

S. Atakaramians, S. Afshar Vahid, B. M. Fischer, D. Abbott, and T. M. Monro, "Porous fibers: a novel approach to low loss THz waveguides," Opt. Express 16, 8845-8854 (2008).
[CrossRef] [PubMed]

H. Ebendorff-Heidepriem, T. M. Monro, M. A. van Eijkelenborg, and M. C. J. Large, "Extruded high-NA microstructured polymer optical fibre," Opt. Commun. 273, 133-137 (2007).
[CrossRef]

H. Ebendorff-Heidepriem and T. M. Monro, "Extrusion of complex preforms for microstructured optical fibers," Opt. Express 15, 15,086-15,096 (2007).
[CrossRef]

T. M. Monro and H. Ebendorff-Heidepriem, "Progress in microstructured optical fibers," Annual Review of Materials Research 36, 467-495 (2006).
[CrossRef]

Moon, K.

Morris, D.

Nagel, M.

M. W¨achter, M. Nagel, and H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett. 90, 061111 (2007).
[CrossRef]

Ng, B. W.-H.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Nielsen, K.

Pan, C.-L.

J.-Y. Lu, C.-P. Yu, H.-C. Chang, H.-W. Chen, Y.-T. Li, C.-L. Pan, and C.-K. Sun, "Terahertz air-core microstructure fiber," Appl. Phys. Lett. 92, 064105 (2008).
[CrossRef]

Park, H.

M. Cho, J. Kim, H. Park, Y. Han, K. Moon, E. Jung, and H. Han, "Highly birefringent terahertz polarization maintaining plastic photonic crystal fibers," Opt. Express 16, 7-12 (2008).
[CrossRef] [PubMed]

H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett. 80, 2634-2636 (2002).
[CrossRef]

Planken, P. C. M.

Png, G. M.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Pobre, R.

Ponseca, C. S.

Rasmussen, H. K.

Sarukura, N.

Skorobogatiy, M.

Stoeffler, K.

Sun, C.-K.

J.-Y. Lu, C.-P. Yu, H.-C. Chang, H.-W. Chen, Y.-T. Li, C.-L. Pan, and C.-K. Sun, "Terahertz air-core microstructure fiber," Appl. Phys. Lett. 92, 064105 (2008).
[CrossRef]

L.-J. Chen, H.-W. Chen, T.-F. Kao, J.-Y. Lu, and C.-K. Sun, "Low-loss subwavelength plastic fiber for terahertz waveguiding," Opt. Lett. 31, 308-310 (2006).
[CrossRef] [PubMed]

Ung, B.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

van Eijkelenborg, M. A.

C. S. Ponseca, R. Pobre, E. Estacio, N. Sarukura, A. Argyros, M. C. J. Large, and M. A. van Eijkelenborg, "Transmission of terahertz radiation using a microstructured polymer optical fiber," Opt. Lett. 33, 902-904 (2008).
[CrossRef] [PubMed]

H. Ebendorff-Heidepriem, T. M. Monro, M. A. van Eijkelenborg, and M. C. J. Large, "Extruded high-NA microstructured polymer optical fibre," Opt. Commun. 273, 133-137 (2007).
[CrossRef]

S. H. Law, M. A. van Eijkelenborg, G. W. Barton, C. Yan, R. Lwin, and J. Gan, "Cleaved end-face quality of microstructured polymer optical fibres," Opt. Commun. 265, 513-520 (2006).
[CrossRef]

G. Barton, M. A. van Eijkelenborg, G. Henry, M. C. J. Large, and J. Zagari, "Fabrication of microstructured polymer optical fibres," Opt. Fiber Technol. 10, 325-335 (2004).
[CrossRef]

W¨achter, M.

M. W¨achter, M. Nagel, and H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett. 90, 061111 (2007).
[CrossRef]

Withayachumnankul, W.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Yan, C.

S. H. Law, M. A. van Eijkelenborg, G. W. Barton, C. Yan, R. Lwin, and J. Gan, "Cleaved end-face quality of microstructured polymer optical fibres," Opt. Commun. 265, 513-520 (2006).
[CrossRef]

Yin, X.

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Yu, C.-P.

J.-Y. Lu, C.-P. Yu, H.-C. Chang, H.-W. Chen, Y.-T. Li, C.-L. Pan, and C.-K. Sun, "Terahertz air-core microstructure fiber," Appl. Phys. Lett. 92, 064105 (2008).
[CrossRef]

Zagari, J.

G. Barton, M. A. van Eijkelenborg, G. Henry, M. C. J. Large, and J. Zagari, "Fabrication of microstructured polymer optical fibres," Opt. Fiber Technol. 10, 325-335 (2004).
[CrossRef]

Annual Review of Materials Research (1)

T. M. Monro and H. Ebendorff-Heidepriem, "Progress in microstructured optical fibers," Annual Review of Materials Research 36, 467-495 (2006).
[CrossRef]

Appl. Phys. Lett. (4)

M. W¨achter, M. Nagel, and H. Kurz, "Metallic slit waveguide for dispersion-free low-loss terahertz signal transmission," Appl. Phys. Lett. 90, 061111 (2007).
[CrossRef]

J.-Y. Lu, C.-P. Yu, H.-C. Chang, H.-W. Chen, Y.-T. Li, C.-L. Pan, and C.-K. Sun, "Terahertz air-core microstructure fiber," Appl. Phys. Lett. 92, 064105 (2008).
[CrossRef]

A. Hassani, A. Dupuis, and M. Skorobogatiy, "Low loss porous terahertz fibers containing multiple subwavelength holes," Appl. Phys. Lett. 92, 071101 (2008).
[CrossRef]

H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett. 80, 2634-2636 (2002).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

D. Grischkowsky, "Optoelectronic Characterization of Transmission Lines and Waveguides by Terahertz Time-Domain Spectroscopy," IEEE J. Sel. Top. Quantum Electron. 6, 1122-1135 (2000).
[CrossRef]

Opt. Commun. (3)

H. Ebendorff-Heidepriem, T. M. Monro, M. A. van Eijkelenborg, and M. C. J. Large, "Extruded high-NA microstructured polymer optical fibre," Opt. Commun. 273, 133-137 (2007).
[CrossRef]

S. H. Law, M. A. van Eijkelenborg, G. W. Barton, C. Yan, R. Lwin, and J. Gan, "Cleaved end-face quality of microstructured polymer optical fibres," Opt. Commun. 265, 513-520 (2006).
[CrossRef]

S. Atakaramians, S. Afshar, B. M. Fischer, D. Abbott, and T. M. Monro, "Low loss, low dispersion and highly birefringent terahertz porous fibers," Opt. Commun. 282, 36-38 (2008).
[CrossRef]

Opt. Express (6)

Opt. Fiber Technol. (1)

G. Barton, M. A. van Eijkelenborg, G. Henry, M. C. J. Large, and J. Zagari, "Fabrication of microstructured polymer optical fibres," Opt. Fiber Technol. 10, 325-335 (2004).
[CrossRef]

Opt. Lett. (3)

Proc. IEEE (1)

W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, "T-ray sensing and imaging," Proc. IEEE 95, 1528-1558 (2007).
[CrossRef]

Other (2)

S. Afshar Vahid, S. Atakaramians, B. M. Fischer, H. Ebendorff-Heidepriem, T. M. Monro, and D. Abbott, "Low loss, low dispersion T-ray transmission in microwires," in CLEO/QELS, p. JWA105 (Baltimore, Maryland, 2007).

S. Atakaramians, S. Afshar Vahid, B. M. Fischer, H. Ebendorff-Heidepriem, T. M. Monro, and D. Abbott, "Low loss terahertz transmission," in Proceedings SPIE Micro- and Nanotechnology: Smart Materials, Nano- and Micro-Smart Systems, vol. 6414 (art. no. 64140I, Adelaide, Australia, 10-13 Dec., 2006).

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Figures (6)

Fig. 1.
Fig. 1.

The die design of the (a) hexagonal array of circular (b) spider-web and (c) rectangular air-hole porous fibers. The extruded preform of the (d) spider-web (12 mm diameter) and (e) rectangular (10 mm diameter) porous fibers. The cross-section of the (f) spider-web and (g) rectangular porous fibers.

Fig. 2.
Fig. 2.

Cleaved end-face of the (a) spider-web and (b) rectangular porous fibers using conventional blades. Cleaved end-face of the (c) spider-web and (d) rectangular porous fibers by heating up the blade and fiber before cleaving. Cleaved end face of the (e) spider-web and (f) rectangular air-hole porous fiber using focused ion beam milling.

Fig. 3.
Fig. 3.

(a) Effective material loss and (b) effective refractive index of ideal (dashed lines) and real (solid lines) hexagonal array circular (black), spider-web (red) and rectangular (blue) porous fibers. The blue and cyan stand for the x- and y-polarizations of the fundamental mode of the rectangular porous fiber.

Fig. 4.
Fig. 4.

Schematic of the terahertz time-domain spectroscopy setup. The emitter and detector are shown in the inset.

Fig. 5.
Fig. 5.

(a)- The electric field of the terahertz pulse measured for (a) 200 μm and (b) 350 μm diameters of spider-web porous fiber and (c) 250 μm diameter of microwire. The top (red), middle (green) and bottom (blue) signals represents the measured terahertz pulse of long, medium and short length of fibers, respectively. The vertical offset has been introduced intentionally for clear display. The arrows in (a) indicate the cut-off point for each fiber length.

Fig. 6.
Fig. 6.

Efective refractive index of a 200 μm (green) and a 350 μm (red) diameters of spider-web porous fiber, a 250 μm diameter microwire (black) and a 350 μm diameter of rectangular porous fiber x-polarization (blue) and y-polarization (cyan) as a function of frequency. The solid lines represent the theoretical results based on the real fiber while the circles represent the measured experimental results.

Equations (2)

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Eout(ω)=Eref(ω) T1 T2 C2 exp (αeffL/2) exp (jβeffL) ,
Eout1(ω)Eout2(ω)=exp(αeff(L1L2)/2) exp (jβeff(L1L2)).

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