Abstract

We investigated the terahertz optical properties of wood-plastic composites (WPCs) having varying wood powder contents. To evaluate the influence of water uptake, we measured WPC samples under conditions where the water content of each WPC sample was controlled. We found that the refractive indexes and the absorption coefficients of the WPCs increased with accumulating wood powder content. Also, we found that the optical properties of the WPCs were almost constant for wood powder contents ranging from 0 wt% to 40 wt%, even in a high-humidity environment. WPCs are promising materials for terahertz optical components.

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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References

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  1. M. Wichmann, B. Scherger, S. Schumann, S. Lippert, M. Scheller, S. F. Busch, C. Jansen, and M. Koch, “Terahertz Brewster lenses,” Opt. Express 19(25), 25151–25160 (2011).
    [Crossref] [PubMed]
  2. A. Siemion, A. Siemion, M. Makowski, J. Suszek, J. Bomba, A. Czerwiński, F. Garet, J.-L. Coutaz, and M. Sypek, “Diffractive paper lens for terahertz optics,” Opt. Lett. 37(20), 4320–4322 (2012).
    [Crossref] [PubMed]
  3. M. Wichmann, A. S. Mondol, N. Kocic, S. Lippert, T. Probst, M. Schwerdtfeger, S. Schumann, T. Hochrein, P. Heidemeyer, M. Bastian, G. Bastian, and M. Koch, “Terahertz plastic compound lenses,” Appl. Opt. 52(18), 4186–4191 (2013).
    [Crossref] [PubMed]
  4. S. F. Busch, M. Weidenbach, M. Fey, F. Schäfer, T. Probst, and M. Koch, “Optical Properties of 3D Printable Plastic in the THz Regime and their Application for 3D Printed THz Optics,” J. Infrared Millim. Terahertz Waves 35(12), 993–997 (2014).
    [Crossref]
  5. A. I. Hernandez-Serrano, M. Weidenbach, S. F. Busch, M. Koch, and E. Castro-Camus, “Fabrication of gradient-refractive-index lenses for terahertz applications by three dimensional printing,” J. Opt. Soc. Am. B 33(5), 928–931 (2016).
    [Crossref]
  6. S. F. Busch, M. Weidenbach, J. C. Balzer, and M. Koch, “THz Optics 3D Printed with TOPAS,” J. Infrared Millim. Terahertz Waves 37(4), 303–307 (2016).
    [Crossref]
  7. A. I. Hernandez-Serrano, R. Mendis, K. S. Reichel, W. Zhang, E. Castro-Camus, and D. M. Mittleman, “Artifical dielectric stepped-refractive-index lens for the terahertz region,” Opt. Express 26(3), 3702–3708 (2018).
    [Crossref] [PubMed]
  8. S. F. Busch, J. C. Balzer, G. Bastian, G. E. Town, and M. Koch, “Extending the Alvarez-Lens Concept to Arbitrary Optical Devices: Tunable Gratings, Lenses, and Spiral Phase Plates,” IEEE Trans. THz Sci. and Technol. 7(3), 320–325 (2017).
    [Crossref]
  9. B. Scherger, M. Scheller, N. Vieweg, S. T. Cundiff, and M. Koch, “Paper terahertz wave plates,” Opt. Express 19(25), 24884–24889 (2011).
    [Crossref] [PubMed]
  10. B. N. Carnio and A. Y. Elezzabi, “Analysis of Electric Field Propagation in Anisotropically Absorbing and Reflecting Waveplates,” J. Infrared Millim. Terahertz Waves 39(2), 313–325 (2018).
    [Crossref]
  11. Y. Kawada, T. Yasuda, A. Nakanishi, K. Akiyama, K. Hakamata, and H. Takahashi, “Achromatic prism-type wave plate for broadband terahertz pulses,” Opt. Lett. 39(9), 2794–2797 (2014).
    [Crossref] [PubMed]
  12. A. I. Hernandez-Serrano and E. Castro-Camus, “Quasi-Wollaston-Prism for Terahertz Frequencies Fabricated by 3D Printing,” J. Infrared Millim. Terahertz Waves 38(5), 567–573 (2017).
    [Crossref]
  13. S. F. Busch, E. Castro-Camus, F. Beltran-Mejia, J. C. Balzer, and M. Koch, “3D Printed Prisms with Tunable Dispersion for the THz Frequency Range,” J. Infrared Millim. Terahertz Waves 39(6), 553–560 (2018).
    [Crossref]
  14. A. Nakanishi, Y. Kawada, T. Yasuda, K. Akiyama, and H. Takahashi, “Terahertz time domain attenuated total reflection spectroscopy with an integrated prism system,” Rev. Sci. Instrum. 83(3), 033103 (2012).
    [Crossref] [PubMed]
  15. S. Firoozabadi, F. Beltrán-Mejía, A. Soltani, D. Jahn, S. F. Busch, J. C. Balzer, and M. Koch, “THz transmission blazed grating made out of paper tissue,” in Proceedings of IEEE conference on 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (2017).
  16. B. N. Carnio, B. Ahvazi, and A. Y. Elezzabi, “Terahertz Properties of Cellulose Nanocrystals and Films,” J. Infrared Millim. Terahertz Waves 37(3), 281–288 (2016).
    [Crossref]
  17. K.-S. Rahman, M. N. Islam, S. B. Ratul, N. H. Dana, S. M. Musa, and M. O. Hannan, “Properties of flat-pressed wood plastic composites as a function of particle size and mixing ratio,” J. Wood Sci. 64(3), 279–286 (2018).
    [Crossref]
  18. C. Jördens, S. Wietzke, M. Scheller, and M. Koch, “Investigation of the water absorption in polyamide and wood plastic composite by terahertz time-domain spectroscopy,” Polym. Test. 29(2), 209–215 (2010).
    [Crossref]
  19. K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
    [Crossref]
  20. B. N. Carnio, P. G. Schunemann, K. T. Zawilski, and A. Y. Elezzabi, “Generation of broadband terahertz pulses via optical rectification in a chalcopyrite CdSiP2 crystal,” Opt. Lett. 42(19), 3920–3923 (2017).
    [Crossref] [PubMed]
  21. B. N. Carnio, K. T. Zawilski, P. G. Schunemann, and A. Y. Elezzabi, “Terahertz birefringence and absorption of a chalcopyrite CdSiP2 crystal,” Appl. Phys. Lett. 111(22), 221103 (2017).
    [Crossref]
  22. M. Franz, B. M. Fischer, and M. Walther, “The Christiansen effect in terahertz time-domain spectra of coarse-grained powders,” Appl. Phys. Lett. 92(2), 021107 (2008).
    [Crossref]

2018 (5)

S. F. Busch, E. Castro-Camus, F. Beltran-Mejia, J. C. Balzer, and M. Koch, “3D Printed Prisms with Tunable Dispersion for the THz Frequency Range,” J. Infrared Millim. Terahertz Waves 39(6), 553–560 (2018).
[Crossref]

K.-S. Rahman, M. N. Islam, S. B. Ratul, N. H. Dana, S. M. Musa, and M. O. Hannan, “Properties of flat-pressed wood plastic composites as a function of particle size and mixing ratio,” J. Wood Sci. 64(3), 279–286 (2018).
[Crossref]

K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
[Crossref]

B. N. Carnio and A. Y. Elezzabi, “Analysis of Electric Field Propagation in Anisotropically Absorbing and Reflecting Waveplates,” J. Infrared Millim. Terahertz Waves 39(2), 313–325 (2018).
[Crossref]

A. I. Hernandez-Serrano, R. Mendis, K. S. Reichel, W. Zhang, E. Castro-Camus, and D. M. Mittleman, “Artifical dielectric stepped-refractive-index lens for the terahertz region,” Opt. Express 26(3), 3702–3708 (2018).
[Crossref] [PubMed]

2017 (4)

B. N. Carnio, P. G. Schunemann, K. T. Zawilski, and A. Y. Elezzabi, “Generation of broadband terahertz pulses via optical rectification in a chalcopyrite CdSiP2 crystal,” Opt. Lett. 42(19), 3920–3923 (2017).
[Crossref] [PubMed]

B. N. Carnio, K. T. Zawilski, P. G. Schunemann, and A. Y. Elezzabi, “Terahertz birefringence and absorption of a chalcopyrite CdSiP2 crystal,” Appl. Phys. Lett. 111(22), 221103 (2017).
[Crossref]

S. F. Busch, J. C. Balzer, G. Bastian, G. E. Town, and M. Koch, “Extending the Alvarez-Lens Concept to Arbitrary Optical Devices: Tunable Gratings, Lenses, and Spiral Phase Plates,” IEEE Trans. THz Sci. and Technol. 7(3), 320–325 (2017).
[Crossref]

A. I. Hernandez-Serrano and E. Castro-Camus, “Quasi-Wollaston-Prism for Terahertz Frequencies Fabricated by 3D Printing,” J. Infrared Millim. Terahertz Waves 38(5), 567–573 (2017).
[Crossref]

2016 (3)

S. F. Busch, M. Weidenbach, J. C. Balzer, and M. Koch, “THz Optics 3D Printed with TOPAS,” J. Infrared Millim. Terahertz Waves 37(4), 303–307 (2016).
[Crossref]

B. N. Carnio, B. Ahvazi, and A. Y. Elezzabi, “Terahertz Properties of Cellulose Nanocrystals and Films,” J. Infrared Millim. Terahertz Waves 37(3), 281–288 (2016).
[Crossref]

A. I. Hernandez-Serrano, M. Weidenbach, S. F. Busch, M. Koch, and E. Castro-Camus, “Fabrication of gradient-refractive-index lenses for terahertz applications by three dimensional printing,” J. Opt. Soc. Am. B 33(5), 928–931 (2016).
[Crossref]

2014 (2)

Y. Kawada, T. Yasuda, A. Nakanishi, K. Akiyama, K. Hakamata, and H. Takahashi, “Achromatic prism-type wave plate for broadband terahertz pulses,” Opt. Lett. 39(9), 2794–2797 (2014).
[Crossref] [PubMed]

S. F. Busch, M. Weidenbach, M. Fey, F. Schäfer, T. Probst, and M. Koch, “Optical Properties of 3D Printable Plastic in the THz Regime and their Application for 3D Printed THz Optics,” J. Infrared Millim. Terahertz Waves 35(12), 993–997 (2014).
[Crossref]

2013 (1)

2012 (2)

A. Nakanishi, Y. Kawada, T. Yasuda, K. Akiyama, and H. Takahashi, “Terahertz time domain attenuated total reflection spectroscopy with an integrated prism system,” Rev. Sci. Instrum. 83(3), 033103 (2012).
[Crossref] [PubMed]

A. Siemion, A. Siemion, M. Makowski, J. Suszek, J. Bomba, A. Czerwiński, F. Garet, J.-L. Coutaz, and M. Sypek, “Diffractive paper lens for terahertz optics,” Opt. Lett. 37(20), 4320–4322 (2012).
[Crossref] [PubMed]

2011 (2)

2010 (1)

C. Jördens, S. Wietzke, M. Scheller, and M. Koch, “Investigation of the water absorption in polyamide and wood plastic composite by terahertz time-domain spectroscopy,” Polym. Test. 29(2), 209–215 (2010).
[Crossref]

2008 (1)

M. Franz, B. M. Fischer, and M. Walther, “The Christiansen effect in terahertz time-domain spectra of coarse-grained powders,” Appl. Phys. Lett. 92(2), 021107 (2008).
[Crossref]

Ahvazi, B.

B. N. Carnio, B. Ahvazi, and A. Y. Elezzabi, “Terahertz Properties of Cellulose Nanocrystals and Films,” J. Infrared Millim. Terahertz Waves 37(3), 281–288 (2016).
[Crossref]

Akiyama, K.

Y. Kawada, T. Yasuda, A. Nakanishi, K. Akiyama, K. Hakamata, and H. Takahashi, “Achromatic prism-type wave plate for broadband terahertz pulses,” Opt. Lett. 39(9), 2794–2797 (2014).
[Crossref] [PubMed]

A. Nakanishi, Y. Kawada, T. Yasuda, K. Akiyama, and H. Takahashi, “Terahertz time domain attenuated total reflection spectroscopy with an integrated prism system,” Rev. Sci. Instrum. 83(3), 033103 (2012).
[Crossref] [PubMed]

Balzer, J. C.

S. F. Busch, E. Castro-Camus, F. Beltran-Mejia, J. C. Balzer, and M. Koch, “3D Printed Prisms with Tunable Dispersion for the THz Frequency Range,” J. Infrared Millim. Terahertz Waves 39(6), 553–560 (2018).
[Crossref]

S. F. Busch, J. C. Balzer, G. Bastian, G. E. Town, and M. Koch, “Extending the Alvarez-Lens Concept to Arbitrary Optical Devices: Tunable Gratings, Lenses, and Spiral Phase Plates,” IEEE Trans. THz Sci. and Technol. 7(3), 320–325 (2017).
[Crossref]

S. F. Busch, M. Weidenbach, J. C. Balzer, and M. Koch, “THz Optics 3D Printed with TOPAS,” J. Infrared Millim. Terahertz Waves 37(4), 303–307 (2016).
[Crossref]

Bastian, G.

S. F. Busch, J. C. Balzer, G. Bastian, G. E. Town, and M. Koch, “Extending the Alvarez-Lens Concept to Arbitrary Optical Devices: Tunable Gratings, Lenses, and Spiral Phase Plates,” IEEE Trans. THz Sci. and Technol. 7(3), 320–325 (2017).
[Crossref]

M. Wichmann, A. S. Mondol, N. Kocic, S. Lippert, T. Probst, M. Schwerdtfeger, S. Schumann, T. Hochrein, P. Heidemeyer, M. Bastian, G. Bastian, and M. Koch, “Terahertz plastic compound lenses,” Appl. Opt. 52(18), 4186–4191 (2013).
[Crossref] [PubMed]

Bastian, M.

Beltran-Mejia, F.

S. F. Busch, E. Castro-Camus, F. Beltran-Mejia, J. C. Balzer, and M. Koch, “3D Printed Prisms with Tunable Dispersion for the THz Frequency Range,” J. Infrared Millim. Terahertz Waves 39(6), 553–560 (2018).
[Crossref]

Bomba, J.

Busch, S. F.

S. F. Busch, E. Castro-Camus, F. Beltran-Mejia, J. C. Balzer, and M. Koch, “3D Printed Prisms with Tunable Dispersion for the THz Frequency Range,” J. Infrared Millim. Terahertz Waves 39(6), 553–560 (2018).
[Crossref]

S. F. Busch, J. C. Balzer, G. Bastian, G. E. Town, and M. Koch, “Extending the Alvarez-Lens Concept to Arbitrary Optical Devices: Tunable Gratings, Lenses, and Spiral Phase Plates,” IEEE Trans. THz Sci. and Technol. 7(3), 320–325 (2017).
[Crossref]

S. F. Busch, M. Weidenbach, J. C. Balzer, and M. Koch, “THz Optics 3D Printed with TOPAS,” J. Infrared Millim. Terahertz Waves 37(4), 303–307 (2016).
[Crossref]

A. I. Hernandez-Serrano, M. Weidenbach, S. F. Busch, M. Koch, and E. Castro-Camus, “Fabrication of gradient-refractive-index lenses for terahertz applications by three dimensional printing,” J. Opt. Soc. Am. B 33(5), 928–931 (2016).
[Crossref]

S. F. Busch, M. Weidenbach, M. Fey, F. Schäfer, T. Probst, and M. Koch, “Optical Properties of 3D Printable Plastic in the THz Regime and their Application for 3D Printed THz Optics,” J. Infrared Millim. Terahertz Waves 35(12), 993–997 (2014).
[Crossref]

M. Wichmann, B. Scherger, S. Schumann, S. Lippert, M. Scheller, S. F. Busch, C. Jansen, and M. Koch, “Terahertz Brewster lenses,” Opt. Express 19(25), 25151–25160 (2011).
[Crossref] [PubMed]

Carnio, B. N.

B. N. Carnio and A. Y. Elezzabi, “Analysis of Electric Field Propagation in Anisotropically Absorbing and Reflecting Waveplates,” J. Infrared Millim. Terahertz Waves 39(2), 313–325 (2018).
[Crossref]

B. N. Carnio, K. T. Zawilski, P. G. Schunemann, and A. Y. Elezzabi, “Terahertz birefringence and absorption of a chalcopyrite CdSiP2 crystal,” Appl. Phys. Lett. 111(22), 221103 (2017).
[Crossref]

B. N. Carnio, P. G. Schunemann, K. T. Zawilski, and A. Y. Elezzabi, “Generation of broadband terahertz pulses via optical rectification in a chalcopyrite CdSiP2 crystal,” Opt. Lett. 42(19), 3920–3923 (2017).
[Crossref] [PubMed]

B. N. Carnio, B. Ahvazi, and A. Y. Elezzabi, “Terahertz Properties of Cellulose Nanocrystals and Films,” J. Infrared Millim. Terahertz Waves 37(3), 281–288 (2016).
[Crossref]

Castro-Camus, E.

S. F. Busch, E. Castro-Camus, F. Beltran-Mejia, J. C. Balzer, and M. Koch, “3D Printed Prisms with Tunable Dispersion for the THz Frequency Range,” J. Infrared Millim. Terahertz Waves 39(6), 553–560 (2018).
[Crossref]

A. I. Hernandez-Serrano, R. Mendis, K. S. Reichel, W. Zhang, E. Castro-Camus, and D. M. Mittleman, “Artifical dielectric stepped-refractive-index lens for the terahertz region,” Opt. Express 26(3), 3702–3708 (2018).
[Crossref] [PubMed]

A. I. Hernandez-Serrano and E. Castro-Camus, “Quasi-Wollaston-Prism for Terahertz Frequencies Fabricated by 3D Printing,” J. Infrared Millim. Terahertz Waves 38(5), 567–573 (2017).
[Crossref]

A. I. Hernandez-Serrano, M. Weidenbach, S. F. Busch, M. Koch, and E. Castro-Camus, “Fabrication of gradient-refractive-index lenses for terahertz applications by three dimensional printing,” J. Opt. Soc. Am. B 33(5), 928–931 (2016).
[Crossref]

Coutaz, J.-L.

Cundiff, S. T.

Czerwinski, A.

Dana, N. H.

K.-S. Rahman, M. N. Islam, S. B. Ratul, N. H. Dana, S. M. Musa, and M. O. Hannan, “Properties of flat-pressed wood plastic composites as a function of particle size and mixing ratio,” J. Wood Sci. 64(3), 279–286 (2018).
[Crossref]

Elezzabi, A. Y.

B. N. Carnio and A. Y. Elezzabi, “Analysis of Electric Field Propagation in Anisotropically Absorbing and Reflecting Waveplates,” J. Infrared Millim. Terahertz Waves 39(2), 313–325 (2018).
[Crossref]

B. N. Carnio, K. T. Zawilski, P. G. Schunemann, and A. Y. Elezzabi, “Terahertz birefringence and absorption of a chalcopyrite CdSiP2 crystal,” Appl. Phys. Lett. 111(22), 221103 (2017).
[Crossref]

B. N. Carnio, P. G. Schunemann, K. T. Zawilski, and A. Y. Elezzabi, “Generation of broadband terahertz pulses via optical rectification in a chalcopyrite CdSiP2 crystal,” Opt. Lett. 42(19), 3920–3923 (2017).
[Crossref] [PubMed]

B. N. Carnio, B. Ahvazi, and A. Y. Elezzabi, “Terahertz Properties of Cellulose Nanocrystals and Films,” J. Infrared Millim. Terahertz Waves 37(3), 281–288 (2016).
[Crossref]

Fey, M.

S. F. Busch, M. Weidenbach, M. Fey, F. Schäfer, T. Probst, and M. Koch, “Optical Properties of 3D Printable Plastic in the THz Regime and their Application for 3D Printed THz Optics,” J. Infrared Millim. Terahertz Waves 35(12), 993–997 (2014).
[Crossref]

Fischer, B. M.

M. Franz, B. M. Fischer, and M. Walther, “The Christiansen effect in terahertz time-domain spectra of coarse-grained powders,” Appl. Phys. Lett. 92(2), 021107 (2008).
[Crossref]

Franz, M.

M. Franz, B. M. Fischer, and M. Walther, “The Christiansen effect in terahertz time-domain spectra of coarse-grained powders,” Appl. Phys. Lett. 92(2), 021107 (2008).
[Crossref]

Garet, F.

Hakamata, K.

Hannan, M. O.

K.-S. Rahman, M. N. Islam, S. B. Ratul, N. H. Dana, S. M. Musa, and M. O. Hannan, “Properties of flat-pressed wood plastic composites as a function of particle size and mixing ratio,” J. Wood Sci. 64(3), 279–286 (2018).
[Crossref]

Heidemeyer, P.

Hernandez-Serrano, A. I.

Hochrein, T.

Islam, M. N.

K.-S. Rahman, M. N. Islam, S. B. Ratul, N. H. Dana, S. M. Musa, and M. O. Hannan, “Properties of flat-pressed wood plastic composites as a function of particle size and mixing ratio,” J. Wood Sci. 64(3), 279–286 (2018).
[Crossref]

Ito, H.

K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
[Crossref]

Jansen, C.

Jördens, C.

C. Jördens, S. Wietzke, M. Scheller, and M. Koch, “Investigation of the water absorption in polyamide and wood plastic composite by terahertz time-domain spectroscopy,” Polym. Test. 29(2), 209–215 (2010).
[Crossref]

Kawada, Y.

Y. Kawada, T. Yasuda, A. Nakanishi, K. Akiyama, K. Hakamata, and H. Takahashi, “Achromatic prism-type wave plate for broadband terahertz pulses,” Opt. Lett. 39(9), 2794–2797 (2014).
[Crossref] [PubMed]

A. Nakanishi, Y. Kawada, T. Yasuda, K. Akiyama, and H. Takahashi, “Terahertz time domain attenuated total reflection spectroscopy with an integrated prism system,” Rev. Sci. Instrum. 83(3), 033103 (2012).
[Crossref] [PubMed]

Kobori, H.

K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
[Crossref]

Koch, M.

S. F. Busch, E. Castro-Camus, F. Beltran-Mejia, J. C. Balzer, and M. Koch, “3D Printed Prisms with Tunable Dispersion for the THz Frequency Range,” J. Infrared Millim. Terahertz Waves 39(6), 553–560 (2018).
[Crossref]

S. F. Busch, J. C. Balzer, G. Bastian, G. E. Town, and M. Koch, “Extending the Alvarez-Lens Concept to Arbitrary Optical Devices: Tunable Gratings, Lenses, and Spiral Phase Plates,” IEEE Trans. THz Sci. and Technol. 7(3), 320–325 (2017).
[Crossref]

S. F. Busch, M. Weidenbach, J. C. Balzer, and M. Koch, “THz Optics 3D Printed with TOPAS,” J. Infrared Millim. Terahertz Waves 37(4), 303–307 (2016).
[Crossref]

A. I. Hernandez-Serrano, M. Weidenbach, S. F. Busch, M. Koch, and E. Castro-Camus, “Fabrication of gradient-refractive-index lenses for terahertz applications by three dimensional printing,” J. Opt. Soc. Am. B 33(5), 928–931 (2016).
[Crossref]

S. F. Busch, M. Weidenbach, M. Fey, F. Schäfer, T. Probst, and M. Koch, “Optical Properties of 3D Printable Plastic in the THz Regime and their Application for 3D Printed THz Optics,” J. Infrared Millim. Terahertz Waves 35(12), 993–997 (2014).
[Crossref]

M. Wichmann, A. S. Mondol, N. Kocic, S. Lippert, T. Probst, M. Schwerdtfeger, S. Schumann, T. Hochrein, P. Heidemeyer, M. Bastian, G. Bastian, and M. Koch, “Terahertz plastic compound lenses,” Appl. Opt. 52(18), 4186–4191 (2013).
[Crossref] [PubMed]

M. Wichmann, B. Scherger, S. Schumann, S. Lippert, M. Scheller, S. F. Busch, C. Jansen, and M. Koch, “Terahertz Brewster lenses,” Opt. Express 19(25), 25151–25160 (2011).
[Crossref] [PubMed]

B. Scherger, M. Scheller, N. Vieweg, S. T. Cundiff, and M. Koch, “Paper terahertz wave plates,” Opt. Express 19(25), 24884–24889 (2011).
[Crossref] [PubMed]

C. Jördens, S. Wietzke, M. Scheller, and M. Koch, “Investigation of the water absorption in polyamide and wood plastic composite by terahertz time-domain spectroscopy,” Polym. Test. 29(2), 209–215 (2010).
[Crossref]

Kocic, N.

Kojima, Y.

K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
[Crossref]

Lippert, S.

Makowski, M.

Mendis, R.

Mittleman, D. M.

Mondol, A. S.

Murayama, K.

K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
[Crossref]

Musa, S. M.

K.-S. Rahman, M. N. Islam, S. B. Ratul, N. H. Dana, S. M. Musa, and M. O. Hannan, “Properties of flat-pressed wood plastic composites as a function of particle size and mixing ratio,” J. Wood Sci. 64(3), 279–286 (2018).
[Crossref]

Nakanishi, A.

Y. Kawada, T. Yasuda, A. Nakanishi, K. Akiyama, K. Hakamata, and H. Takahashi, “Achromatic prism-type wave plate for broadband terahertz pulses,” Opt. Lett. 39(9), 2794–2797 (2014).
[Crossref] [PubMed]

A. Nakanishi, Y. Kawada, T. Yasuda, K. Akiyama, and H. Takahashi, “Terahertz time domain attenuated total reflection spectroscopy with an integrated prism system,” Rev. Sci. Instrum. 83(3), 033103 (2012).
[Crossref] [PubMed]

Ogoe, S.

K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
[Crossref]

Okamoto, M.

K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
[Crossref]

Probst, T.

S. F. Busch, M. Weidenbach, M. Fey, F. Schäfer, T. Probst, and M. Koch, “Optical Properties of 3D Printable Plastic in the THz Regime and their Application for 3D Printed THz Optics,” J. Infrared Millim. Terahertz Waves 35(12), 993–997 (2014).
[Crossref]

M. Wichmann, A. S. Mondol, N. Kocic, S. Lippert, T. Probst, M. Schwerdtfeger, S. Schumann, T. Hochrein, P. Heidemeyer, M. Bastian, G. Bastian, and M. Koch, “Terahertz plastic compound lenses,” Appl. Opt. 52(18), 4186–4191 (2013).
[Crossref] [PubMed]

Rahman, K.-S.

K.-S. Rahman, M. N. Islam, S. B. Ratul, N. H. Dana, S. M. Musa, and M. O. Hannan, “Properties of flat-pressed wood plastic composites as a function of particle size and mixing ratio,” J. Wood Sci. 64(3), 279–286 (2018).
[Crossref]

Ratul, S. B.

K.-S. Rahman, M. N. Islam, S. B. Ratul, N. H. Dana, S. M. Musa, and M. O. Hannan, “Properties of flat-pressed wood plastic composites as a function of particle size and mixing ratio,” J. Wood Sci. 64(3), 279–286 (2018).
[Crossref]

Reichel, K. S.

Schäfer, F.

S. F. Busch, M. Weidenbach, M. Fey, F. Schäfer, T. Probst, and M. Koch, “Optical Properties of 3D Printable Plastic in the THz Regime and their Application for 3D Printed THz Optics,” J. Infrared Millim. Terahertz Waves 35(12), 993–997 (2014).
[Crossref]

Scheller, M.

Scherger, B.

Schumann, S.

Schunemann, P. G.

B. N. Carnio, K. T. Zawilski, P. G. Schunemann, and A. Y. Elezzabi, “Terahertz birefringence and absorption of a chalcopyrite CdSiP2 crystal,” Appl. Phys. Lett. 111(22), 221103 (2017).
[Crossref]

B. N. Carnio, P. G. Schunemann, K. T. Zawilski, and A. Y. Elezzabi, “Generation of broadband terahertz pulses via optical rectification in a chalcopyrite CdSiP2 crystal,” Opt. Lett. 42(19), 3920–3923 (2017).
[Crossref] [PubMed]

Schwerdtfeger, M.

Siemion, A.

Suszek, J.

Suzuki, S.

K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
[Crossref]

Sypek, M.

Takahashi, H.

Y. Kawada, T. Yasuda, A. Nakanishi, K. Akiyama, K. Hakamata, and H. Takahashi, “Achromatic prism-type wave plate for broadband terahertz pulses,” Opt. Lett. 39(9), 2794–2797 (2014).
[Crossref] [PubMed]

A. Nakanishi, Y. Kawada, T. Yasuda, K. Akiyama, and H. Takahashi, “Terahertz time domain attenuated total reflection spectroscopy with an integrated prism system,” Rev. Sci. Instrum. 83(3), 033103 (2012).
[Crossref] [PubMed]

Town, G. E.

S. F. Busch, J. C. Balzer, G. Bastian, G. E. Town, and M. Koch, “Extending the Alvarez-Lens Concept to Arbitrary Optical Devices: Tunable Gratings, Lenses, and Spiral Phase Plates,” IEEE Trans. THz Sci. and Technol. 7(3), 320–325 (2017).
[Crossref]

Vieweg, N.

Walther, M.

M. Franz, B. M. Fischer, and M. Walther, “The Christiansen effect in terahertz time-domain spectra of coarse-grained powders,” Appl. Phys. Lett. 92(2), 021107 (2008).
[Crossref]

Weidenbach, M.

S. F. Busch, M. Weidenbach, J. C. Balzer, and M. Koch, “THz Optics 3D Printed with TOPAS,” J. Infrared Millim. Terahertz Waves 37(4), 303–307 (2016).
[Crossref]

A. I. Hernandez-Serrano, M. Weidenbach, S. F. Busch, M. Koch, and E. Castro-Camus, “Fabrication of gradient-refractive-index lenses for terahertz applications by three dimensional printing,” J. Opt. Soc. Am. B 33(5), 928–931 (2016).
[Crossref]

S. F. Busch, M. Weidenbach, M. Fey, F. Schäfer, T. Probst, and M. Koch, “Optical Properties of 3D Printable Plastic in the THz Regime and their Application for 3D Printed THz Optics,” J. Infrared Millim. Terahertz Waves 35(12), 993–997 (2014).
[Crossref]

Wichmann, M.

Wietzke, S.

C. Jördens, S. Wietzke, M. Scheller, and M. Koch, “Investigation of the water absorption in polyamide and wood plastic composite by terahertz time-domain spectroscopy,” Polym. Test. 29(2), 209–215 (2010).
[Crossref]

Yasuda, T.

Y. Kawada, T. Yasuda, A. Nakanishi, K. Akiyama, K. Hakamata, and H. Takahashi, “Achromatic prism-type wave plate for broadband terahertz pulses,” Opt. Lett. 39(9), 2794–2797 (2014).
[Crossref] [PubMed]

A. Nakanishi, Y. Kawada, T. Yasuda, K. Akiyama, and H. Takahashi, “Terahertz time domain attenuated total reflection spectroscopy with an integrated prism system,” Rev. Sci. Instrum. 83(3), 033103 (2012).
[Crossref] [PubMed]

Zawilski, K. T.

B. N. Carnio, K. T. Zawilski, P. G. Schunemann, and A. Y. Elezzabi, “Terahertz birefringence and absorption of a chalcopyrite CdSiP2 crystal,” Appl. Phys. Lett. 111(22), 221103 (2017).
[Crossref]

B. N. Carnio, P. G. Schunemann, K. T. Zawilski, and A. Y. Elezzabi, “Generation of broadband terahertz pulses via optical rectification in a chalcopyrite CdSiP2 crystal,” Opt. Lett. 42(19), 3920–3923 (2017).
[Crossref] [PubMed]

Zhang, W.

Appl. Opt. (1)

Appl. Phys. Lett. (2)

B. N. Carnio, K. T. Zawilski, P. G. Schunemann, and A. Y. Elezzabi, “Terahertz birefringence and absorption of a chalcopyrite CdSiP2 crystal,” Appl. Phys. Lett. 111(22), 221103 (2017).
[Crossref]

M. Franz, B. M. Fischer, and M. Walther, “The Christiansen effect in terahertz time-domain spectra of coarse-grained powders,” Appl. Phys. Lett. 92(2), 021107 (2008).
[Crossref]

IEEE Trans. THz Sci. and Technol. (1)

S. F. Busch, J. C. Balzer, G. Bastian, G. E. Town, and M. Koch, “Extending the Alvarez-Lens Concept to Arbitrary Optical Devices: Tunable Gratings, Lenses, and Spiral Phase Plates,” IEEE Trans. THz Sci. and Technol. 7(3), 320–325 (2017).
[Crossref]

J. Infrared Millim. Terahertz Waves (6)

S. F. Busch, M. Weidenbach, J. C. Balzer, and M. Koch, “THz Optics 3D Printed with TOPAS,” J. Infrared Millim. Terahertz Waves 37(4), 303–307 (2016).
[Crossref]

S. F. Busch, M. Weidenbach, M. Fey, F. Schäfer, T. Probst, and M. Koch, “Optical Properties of 3D Printable Plastic in the THz Regime and their Application for 3D Printed THz Optics,” J. Infrared Millim. Terahertz Waves 35(12), 993–997 (2014).
[Crossref]

A. I. Hernandez-Serrano and E. Castro-Camus, “Quasi-Wollaston-Prism for Terahertz Frequencies Fabricated by 3D Printing,” J. Infrared Millim. Terahertz Waves 38(5), 567–573 (2017).
[Crossref]

S. F. Busch, E. Castro-Camus, F. Beltran-Mejia, J. C. Balzer, and M. Koch, “3D Printed Prisms with Tunable Dispersion for the THz Frequency Range,” J. Infrared Millim. Terahertz Waves 39(6), 553–560 (2018).
[Crossref]

B. N. Carnio and A. Y. Elezzabi, “Analysis of Electric Field Propagation in Anisotropically Absorbing and Reflecting Waveplates,” J. Infrared Millim. Terahertz Waves 39(2), 313–325 (2018).
[Crossref]

B. N. Carnio, B. Ahvazi, and A. Y. Elezzabi, “Terahertz Properties of Cellulose Nanocrystals and Films,” J. Infrared Millim. Terahertz Waves 37(3), 281–288 (2016).
[Crossref]

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

J. Wood Chem. Technol. (1)

K. Murayama, S. Suzuki, Y. Kojima, H. Kobori, H. Ito, S. Ogoe, and M. Okamoto, “The effects of different types of maleic anhydride-modified polypropylene on the physical and mechanical properties of polypropylene-based wood/plastic composites,” J. Wood Chem. Technol. 38(3), 224–232 (2018).
[Crossref]

J. Wood Sci. (1)

K.-S. Rahman, M. N. Islam, S. B. Ratul, N. H. Dana, S. M. Musa, and M. O. Hannan, “Properties of flat-pressed wood plastic composites as a function of particle size and mixing ratio,” J. Wood Sci. 64(3), 279–286 (2018).
[Crossref]

Opt. Express (3)

Opt. Lett. (3)

Polym. Test. (1)

C. Jördens, S. Wietzke, M. Scheller, and M. Koch, “Investigation of the water absorption in polyamide and wood plastic composite by terahertz time-domain spectroscopy,” Polym. Test. 29(2), 209–215 (2010).
[Crossref]

Rev. Sci. Instrum. (1)

A. Nakanishi, Y. Kawada, T. Yasuda, K. Akiyama, and H. Takahashi, “Terahertz time domain attenuated total reflection spectroscopy with an integrated prism system,” Rev. Sci. Instrum. 83(3), 033103 (2012).
[Crossref] [PubMed]

Other (1)

S. Firoozabadi, F. Beltrán-Mejía, A. Soltani, D. Jahn, S. F. Busch, J. C. Balzer, and M. Koch, “THz transmission blazed grating made out of paper tissue,” in Proceedings of IEEE conference on 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (2017).

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Figures (4)

Fig. 1
Fig. 1 Photograph of WPC samples having wood powder contents between 0 wt% and 60 wt% after a drying process.
Fig. 2
Fig. 2 Optical properties of several WPCs having different wood powder contents and moisture content of 0%: (a) refractive index, and (b) power absorption coefficient.
Fig. 3
Fig. 3 Water content of each WPC sample as a function of the immersion time in distilled water.
Fig. 4
Fig. 4 Optical properties of WPC samples at 1 THz as a function of immersion time in distilled water: (a) refractive index, and (b) power absorption coefficient.

Equations (2)

Equations on this page are rendered with MathJax. Learn more.

W= m w m D m D ×100 [ % ] 
W=K× t m