Terahertz imaging based on optical coherence tomography [Invited]

S. Hisatake, G. Kitahara, N. Kukutsu, Y. Fukada, N. Yoshimoto, and T. Nagatsuma, “Phase-sensitive terahertz self-heterodyne system based on photodiode and low-temperature grown GaAs photoconductor at 1.55  μm,” IEEE Sens. J. 13, 31–36 (2013).
[Crossref]

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

T. Isogawa, T. Kumashiro, H.-J. Song, K. Ajito, N. Kukutsu, K. Iwatsuki, and T. Nagatsuma, “Tomographic imaging using photonically generated low-coherence terahertz noise sources,” IEEE. Trans. Terahertz Sci. Technol. 2, 485–492 (2012).
[Crossref]

H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, “Simple and cost-effective thickness measurement terahertz system based on a compact 1.55  μm λ/4 phase-shifted dual-mode laser,” Opt. Express 20, 25990–25999 (2012).
[Crossref]

K. Ajito and Y. Ueno, “THz chemical imaging for biological applications,” IEEE Trans. Terahertz Sci. Technol. 1, 293–300 (2011).

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

X.-X. Yin, B. W.-H. Ng, B. Ferguson, S. P. Mickan, and D. Abbott, “2-D wavelet segmentation in 3-D T-ray tomography,” IEEE Sens. J. 7, 342–343 (2007).
[Crossref]

W. L. Chan, J. Deibel, and D. M. Mittleman, “Imaging with terahertz radiation,” Rep. Prog. Phys. 70, 1325–1379 (2007).
[Crossref]

A. J. Fitzgerald, B. E. Cole, and P. F. Taday, “Nondestructive analysis of tablet coating thickness using terahertz pulsed imaging,” J. Pharm. Sci. 94, 177–183 (2005).
[Crossref]

S. H. Yun, G. J. Tearney, J. F. de Boer, N. Iftimia, and B. E. Bouma, “High-speed optical frequency-domain imaging,” Opt. Express 11, 2953–2963 (2003).
[Crossref]

B. B. Hu and M. C. Nuss, “Imaging with terahertz waves,” Opt. Lett. 20, 1716–1718 (1995).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

X.-X. Yin, B. W.-H. Ng, B. Ferguson, S. P. Mickan, and D. Abbott, “2-D wavelet segmentation in 3-D T-ray tomography,” IEEE Sens. J. 7, 342–343 (2007).
[Crossref]

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

T. Isogawa, T. Kumashiro, H.-J. Song, K. Ajito, N. Kukutsu, K. Iwatsuki, and T. Nagatsuma, “Tomographic imaging using photonically generated low-coherence terahertz noise sources,” IEEE. Trans. Terahertz Sci. Technol. 2, 485–492 (2012).
[Crossref]

K. Ajito and Y. Ueno, “THz chemical imaging for biological applications,” IEEE Trans. Terahertz Sci. Technol. 1, 293–300 (2011).

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

T. Ikeou, T. Isogawa, K. Ajito, N. Kukutsu, and T. Nagatsuma, “Terahertz imaging using swept source optical-coherence-tomography techniques,” in International Topical Meeting on Microwave Photonics (IEEE, 2012), paper session 8-4.

S. H. Yun, G. J. Tearney, J. F. de Boer, N. Iftimia, and B. E. Bouma, “High-speed optical frequency-domain imaging,” Opt. Express 11, 2953–2963 (2003).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

W. L. Chan, J. Deibel, and D. M. Mittleman, “Imaging with terahertz radiation,” Rep. Prog. Phys. 70, 1325–1379 (2007).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

A. J. Fitzgerald, B. E. Cole, and P. F. Taday, “Nondestructive analysis of tablet coating thickness using terahertz pulsed imaging,” J. Pharm. Sci. 94, 177–183 (2005).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

S. H. Yun, G. J. Tearney, J. F. de Boer, N. Iftimia, and B. E. Bouma, “High-speed optical frequency-domain imaging,” Opt. Express 11, 2953–2963 (2003).
[Crossref]

W. L. Chan, J. Deibel, and D. M. Mittleman, “Imaging with terahertz radiation,” Rep. Prog. Phys. 70, 1325–1379 (2007).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

L. Moeller, J. F. Federici, and K. Su, “THz wireless communications: 2.5  Gb/s error-free transmission at 625  GHz using a narrow-bandwidth 1  mW THz source,” in URSI General Assembly and Scientific Symposium (Turkey, 2011), paper DAF2–7.

X.-X. Yin, B. W.-H. Ng, B. Ferguson, S. P. Mickan, and D. Abbott, “2-D wavelet segmentation in 3-D T-ray tomography,” IEEE Sens. J. 7, 342–343 (2007).
[Crossref]

A. J. Fitzgerald, B. E. Cole, and P. F. Taday, “Nondestructive analysis of tablet coating thickness using terahertz pulsed imaging,” J. Pharm. Sci. 94, 177–183 (2005).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

S. Hisatake, G. Kitahara, N. Kukutsu, Y. Fukada, N. Yoshimoto, and T. Nagatsuma, “Phase-sensitive terahertz self-heterodyne system based on photodiode and low-temperature grown GaAs photoconductor at 1.55  μm,” IEEE Sens. J. 13, 31–36 (2013).
[Crossref]

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, “Simple and cost-effective thickness measurement terahertz system based on a compact 1.55  μm λ/4 phase-shifted dual-mode laser,” Opt. Express 20, 25990–25999 (2012).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

S. Hisatake, G. Kitahara, N. Kukutsu, Y. Fukada, N. Yoshimoto, and T. Nagatsuma, “Phase-sensitive terahertz self-heterodyne system based on photodiode and low-temperature grown GaAs photoconductor at 1.55  μm,” IEEE Sens. J. 13, 31–36 (2013).
[Crossref]

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

H. Quast, A. Keil, T. Hoyer, and T. Loeffler, “All-electronic 3D terahertz imaging for the NDT of composites,” in Proceedings of the 2nd International Symposium on NDT in Aerospace (Singapore Institute of Manufacturing Technology, 2010), paper We.4.B.3.

B. B. Hu and M. C. Nuss, “Imaging with terahertz waves,” Opt. Lett. 20, 1716–1718 (1995).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

S. H. Yun, G. J. Tearney, J. F. de Boer, N. Iftimia, and B. E. Bouma, “High-speed optical frequency-domain imaging,” Opt. Express 11, 2953–2963 (2003).
[Crossref]

T. Nagatsuma, T. Ikeo, and H. Nishii, “Terahertz imaging based on optical coherence tomography,” in 21st International Conference on Applied Electromagnetics and Communications (2013).

T. Ikeou, T. Isogawa, K. Ajito, N. Kukutsu, and T. Nagatsuma, “Terahertz imaging using swept source optical-coherence-tomography techniques,” in International Topical Meeting on Microwave Photonics (IEEE, 2012), paper session 8-4.

M. Imamura, S. Nishina, A. Irisawa, T. Yamashita, and E. Kato, “3D imaging and analysis system using terahertz waves,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2010), paper We-B3.1.

M. Imamura, S. Nishina, A. Irisawa, T. Yamashita, and E. Kato, “3D imaging and analysis system using terahertz waves,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2010), paper We-B3.1.

T. Ishibashi, Y. Muramoto, T. Yoshimatsu, and H. Ito, “Continuous THz wave generation by photodiodes up to 2.5  THz,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2013), paper We2-5.

T. Isogawa, T. Kumashiro, H.-J. Song, K. Ajito, N. Kukutsu, K. Iwatsuki, and T. Nagatsuma, “Tomographic imaging using photonically generated low-coherence terahertz noise sources,” IEEE. Trans. Terahertz Sci. Technol. 2, 485–492 (2012).
[Crossref]

T. Ikeou, T. Isogawa, K. Ajito, N. Kukutsu, and T. Nagatsuma, “Terahertz imaging using swept source optical-coherence-tomography techniques,” in International Topical Meeting on Microwave Photonics (IEEE, 2012), paper session 8-4.

T. Nagatsuma and H. Ito, “High-power RF uni-traveling-carrier photodiodes (UTC-PDs) and their applications,” in Advances in Photodiodes, G. F. Dalla Betta, ed. (InTech, 2011).

T. Ishibashi, Y. Muramoto, T. Yoshimatsu, and H. Ito, “Continuous THz wave generation by photodiodes up to 2.5  THz,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2013), paper We2-5.

T. Isogawa, T. Kumashiro, H.-J. Song, K. Ajito, N. Kukutsu, K. Iwatsuki, and T. Nagatsuma, “Tomographic imaging using photonically generated low-coherence terahertz noise sources,” IEEE. Trans. Terahertz Sci. Technol. 2, 485–492 (2012).
[Crossref]

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

M. Imamura, S. Nishina, A. Irisawa, T. Yamashita, and E. Kato, “3D imaging and analysis system using terahertz waves,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2010), paper We-B3.1.

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

H. Quast, A. Keil, T. Hoyer, and T. Loeffler, “All-electronic 3D terahertz imaging for the NDT of composites,” in Proceedings of the 2nd International Symposium on NDT in Aerospace (Singapore Institute of Manufacturing Technology, 2010), paper We.4.B.3.

H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, “Simple and cost-effective thickness measurement terahertz system based on a compact 1.55  μm λ/4 phase-shifted dual-mode laser,” Opt. Express 20, 25990–25999 (2012).
[Crossref]

S. Hisatake, G. Kitahara, N. Kukutsu, Y. Fukada, N. Yoshimoto, and T. Nagatsuma, “Phase-sensitive terahertz self-heterodyne system based on photodiode and low-temperature grown GaAs photoconductor at 1.55  μm,” IEEE Sens. J. 13, 31–36 (2013).
[Crossref]

H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, “Simple and cost-effective thickness measurement terahertz system based on a compact 1.55  μm λ/4 phase-shifted dual-mode laser,” Opt. Express 20, 25990–25999 (2012).
[Crossref]

S. Hisatake, G. Kitahara, N. Kukutsu, Y. Fukada, N. Yoshimoto, and T. Nagatsuma, “Phase-sensitive terahertz self-heterodyne system based on photodiode and low-temperature grown GaAs photoconductor at 1.55  μm,” IEEE Sens. J. 13, 31–36 (2013).
[Crossref]

T. Isogawa, T. Kumashiro, H.-J. Song, K. Ajito, N. Kukutsu, K. Iwatsuki, and T. Nagatsuma, “Tomographic imaging using photonically generated low-coherence terahertz noise sources,” IEEE. Trans. Terahertz Sci. Technol. 2, 485–492 (2012).
[Crossref]

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

T. Ikeou, T. Isogawa, K. Ajito, N. Kukutsu, and T. Nagatsuma, “Terahertz imaging using swept source optical-coherence-tomography techniques,” in International Topical Meeting on Microwave Photonics (IEEE, 2012), paper session 8-4.

T. Isogawa, T. Kumashiro, H.-J. Song, K. Ajito, N. Kukutsu, K. Iwatsuki, and T. Nagatsuma, “Tomographic imaging using photonically generated low-coherence terahertz noise sources,” IEEE. Trans. Terahertz Sci. Technol. 2, 485–492 (2012).
[Crossref]

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

H. Quast, A. Keil, T. Hoyer, and T. Loeffler, “All-electronic 3D terahertz imaging for the NDT of composites,” in Proceedings of the 2nd International Symposium on NDT in Aerospace (Singapore Institute of Manufacturing Technology, 2010), paper We.4.B.3.

H. Quast and T. Loeffler, “3D-terahertz-tomography for material inspection and security,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper T3D02.0311.

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

X.-X. Yin, B. W.-H. Ng, B. Ferguson, S. P. Mickan, and D. Abbott, “2-D wavelet segmentation in 3-D T-ray tomography,” IEEE Sens. J. 7, 342–343 (2007).
[Crossref]

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

W. L. Chan, J. Deibel, and D. M. Mittleman, “Imaging with terahertz radiation,” Rep. Prog. Phys. 70, 1325–1379 (2007).
[Crossref]

L. Moeller, J. F. Federici, and K. Su, “THz wireless communications: 2.5  Gb/s error-free transmission at 625  GHz using a narrow-bandwidth 1  mW THz source,” in URSI General Assembly and Scientific Symposium (Turkey, 2011), paper DAF2–7.

H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, “Simple and cost-effective thickness measurement terahertz system based on a compact 1.55  μm λ/4 phase-shifted dual-mode laser,” Opt. Express 20, 25990–25999 (2012).
[Crossref]

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

T. Ishibashi, Y. Muramoto, T. Yoshimatsu, and H. Ito, “Continuous THz wave generation by photodiodes up to 2.5  THz,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2013), paper We2-5.

S. Hisatake, G. Kitahara, N. Kukutsu, Y. Fukada, N. Yoshimoto, and T. Nagatsuma, “Phase-sensitive terahertz self-heterodyne system based on photodiode and low-temperature grown GaAs photoconductor at 1.55  μm,” IEEE Sens. J. 13, 31–36 (2013).
[Crossref]

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

T. Isogawa, T. Kumashiro, H.-J. Song, K. Ajito, N. Kukutsu, K. Iwatsuki, and T. Nagatsuma, “Tomographic imaging using photonically generated low-coherence terahertz noise sources,” IEEE. Trans. Terahertz Sci. Technol. 2, 485–492 (2012).
[Crossref]

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

T. Ikeou, T. Isogawa, K. Ajito, N. Kukutsu, and T. Nagatsuma, “Terahertz imaging using swept source optical-coherence-tomography techniques,” in International Topical Meeting on Microwave Photonics (IEEE, 2012), paper session 8-4.

T. Nagatsuma, T. Ikeo, and H. Nishii, “Terahertz imaging based on optical coherence tomography,” in 21st International Conference on Applied Electromagnetics and Communications (2013).

T. Nagatsuma and H. Ito, “High-power RF uni-traveling-carrier photodiodes (UTC-PDs) and their applications,” in Advances in Photodiodes, G. F. Dalla Betta, ed. (InTech, 2011).

X.-X. Yin, B. W.-H. Ng, B. Ferguson, S. P. Mickan, and D. Abbott, “2-D wavelet segmentation in 3-D T-ray tomography,” IEEE Sens. J. 7, 342–343 (2007).
[Crossref]

T. Nagatsuma, T. Ikeo, and H. Nishii, “Terahertz imaging based on optical coherence tomography,” in 21st International Conference on Applied Electromagnetics and Communications (2013).

M. Imamura, S. Nishina, A. Irisawa, T. Yamashita, and E. Kato, “3D imaging and analysis system using terahertz waves,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2010), paper We-B3.1.

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

B. B. Hu and M. C. Nuss, “Imaging with terahertz waves,” Opt. Lett. 20, 1716–1718 (1995).
[Crossref]

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, “Simple and cost-effective thickness measurement terahertz system based on a compact 1.55  μm λ/4 phase-shifted dual-mode laser,” Opt. Express 20, 25990–25999 (2012).
[Crossref]

H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, “Simple and cost-effective thickness measurement terahertz system based on a compact 1.55  μm λ/4 phase-shifted dual-mode laser,” Opt. Express 20, 25990–25999 (2012).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

H. Quast, A. Keil, T. Hoyer, and T. Loeffler, “All-electronic 3D terahertz imaging for the NDT of composites,” in Proceedings of the 2nd International Symposium on NDT in Aerospace (Singapore Institute of Manufacturing Technology, 2010), paper We.4.B.3.

H. Quast and T. Loeffler, “3D-terahertz-tomography for material inspection and security,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper T3D02.0311.

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, “Simple and cost-effective thickness measurement terahertz system based on a compact 1.55  μm λ/4 phase-shifted dual-mode laser,” Opt. Express 20, 25990–25999 (2012).
[Crossref]

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

T. Isogawa, T. Kumashiro, H.-J. Song, K. Ajito, N. Kukutsu, K. Iwatsuki, and T. Nagatsuma, “Tomographic imaging using photonically generated low-coherence terahertz noise sources,” IEEE. Trans. Terahertz Sci. Technol. 2, 485–492 (2012).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

L. Moeller, J. F. Federici, and K. Su, “THz wireless communications: 2.5  Gb/s error-free transmission at 625  GHz using a narrow-bandwidth 1  mW THz source,” in URSI General Assembly and Scientific Symposium (Turkey, 2011), paper DAF2–7.

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

A. J. Fitzgerald, B. E. Cole, and P. F. Taday, “Nondestructive analysis of tablet coating thickness using terahertz pulsed imaging,” J. Pharm. Sci. 94, 177–183 (2005).
[Crossref]

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

S. H. Yun, G. J. Tearney, J. F. de Boer, N. Iftimia, and B. E. Bouma, “High-speed optical frequency-domain imaging,” Opt. Express 11, 2953–2963 (2003).
[Crossref]

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

K. Ajito and Y. Ueno, “THz chemical imaging for biological applications,” IEEE Trans. Terahertz Sci. Technol. 1, 293–300 (2011).

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

M. Imamura, S. Nishina, A. Irisawa, T. Yamashita, and E. Kato, “3D imaging and analysis system using terahertz waves,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2010), paper We-B3.1.

X.-X. Yin, B. W.-H. Ng, B. Ferguson, S. P. Mickan, and D. Abbott, “2-D wavelet segmentation in 3-D T-ray tomography,” IEEE Sens. J. 7, 342–343 (2007).
[Crossref]

T. Ishibashi, Y. Muramoto, T. Yoshimatsu, and H. Ito, “Continuous THz wave generation by photodiodes up to 2.5  THz,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2013), paper We2-5.

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

S. Hisatake, G. Kitahara, N. Kukutsu, Y. Fukada, N. Yoshimoto, and T. Nagatsuma, “Phase-sensitive terahertz self-heterodyne system based on photodiode and low-temperature grown GaAs photoconductor at 1.55  μm,” IEEE Sens. J. 13, 31–36 (2013).
[Crossref]

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

S. H. Yun, G. J. Tearney, J. F. de Boer, N. Iftimia, and B. E. Bouma, “High-speed optical frequency-domain imaging,” Opt. Express 11, 2953–2963 (2003).
[Crossref]

X.-X. Yin, B. W.-H. Ng, B. Ferguson, S. P. Mickan, and D. Abbott, “2-D wavelet segmentation in 3-D T-ray tomography,” IEEE Sens. J. 7, 342–343 (2007).
[Crossref]

S. Hisatake, G. Kitahara, N. Kukutsu, Y. Fukada, N. Yoshimoto, and T. Nagatsuma, “Phase-sensitive terahertz self-heterodyne system based on photodiode and low-temperature grown GaAs photoconductor at 1.55  μm,” IEEE Sens. J. 13, 31–36 (2013).
[Crossref]

K. B. Cooper, R. J. Dengler, N. Llombart, T. Bryllent, G. Chattopadhyay, E. Schlecht, J. Gill, C. Lee, A. Skalare, I. Mehdi, and P. H. Siegel, “Penetrating 3-D imaging at 4- and 25-m range using a submillimeter-wave radar,” IEEE Trans. Microwave Theor. Tech. 56, 2771–2778 (2008).
[Crossref]

K. Ajito and Y. Ueno, “THz chemical imaging for biological applications,” IEEE Trans. Terahertz Sci. Technol. 1, 293–300 (2011).

T. Isogawa, T. Kumashiro, H.-J. Song, K. Ajito, N. Kukutsu, K. Iwatsuki, and T. Nagatsuma, “Tomographic imaging using photonically generated low-coherence terahertz noise sources,” IEEE. Trans. Terahertz Sci. Technol. 2, 485–492 (2012).
[Crossref]

A. J. Fitzgerald, B. E. Cole, and P. F. Taday, “Nondestructive analysis of tablet coating thickness using terahertz pulsed imaging,” J. Pharm. Sci. 94, 177–183 (2005).
[Crossref]

J. Takayanagi, H. Jinno, S. Ichino, K. Suizu, M. Yamashita, T. Ouchi, S. Kasai, H. Ohtake, H. Uchida, N. Nishizawa, and K. Kawase, “High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser,” Opt. Express 17, 7533–7539 (2009).
[Crossref]

B. Recur, A. Younus, S. Salort, P. Mounaix, B. Chassagne, P. Desbarats, J.-P. Caumes, and E. Abraham, “Investigation on reconstruction methods applied to 3D terahertz computed tomography,” Opt. Express 19, 5105–5117 (2011).
[Crossref]

S. H. Yun, G. J. Tearney, J. F. de Boer, N. Iftimia, and B. E. Bouma, “High-speed optical frequency-domain imaging,” Opt. Express 11, 2953–2963 (2003).
[Crossref]

H.-C. Ryu, N. Kim, S.-P. Han, H. Ko, J.-W. Park, K. Moon, and K. H. Park, “Simple and cost-effective thickness measurement terahertz system based on a compact 1.55  μm λ/4 phase-shifted dual-mode laser,” Opt. Express 20, 25990–25999 (2012).
[Crossref]

T. Nagatsuma, S. Horiguchi, Y. Minamikata, Y. Yoshimizu, S. Hisatake, S. Kuwano, N. Yoshimoto, J. Terada, and H. Takahashi, “Terahertz communications based on photonics technologies,” Opt. Express 21, 23736–23748 (2013).
[Crossref]

B. B. Hu and M. C. Nuss, “Imaging with terahertz waves,” Opt. Lett. 20, 1716–1718 (1995).
[Crossref]

W. L. Chan, J. Deibel, and D. M. Mittleman, “Imaging with terahertz radiation,” Rep. Prog. Phys. 70, 1325–1379 (2007).
[Crossref]

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto, “Optical coherence tomography,” Science 254, 1178–1181 (1991).
[Crossref]

T. Nagatsuma, T. Kumashiro, Y. Fujimoto, K. Taniguchi, K. Ajito, N. Kukutsu, T. Furuta, A. Wakatsuki, and Y. Kado, “Millimeter-wave imaging using photonics-based noise source,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper M3C05.

T. Ikeou, T. Isogawa, K. Ajito, N. Kukutsu, and T. Nagatsuma, “Terahertz imaging using swept source optical-coherence-tomography techniques,” in International Topical Meeting on Microwave Photonics (IEEE, 2012), paper session 8-4.

T. Nagatsuma, T. Ikeo, and H. Nishii, “Terahertz imaging based on optical coherence tomography,” in 21st International Conference on Applied Electromagnetics and Communications (2013).

T. Nagatsuma and H. Ito, “High-power RF uni-traveling-carrier photodiodes (UTC-PDs) and their applications,” in Advances in Photodiodes, G. F. Dalla Betta, ed. (InTech, 2011).

T. Ishibashi, Y. Muramoto, T. Yoshimatsu, and H. Ito, “Continuous THz wave generation by photodiodes up to 2.5  THz,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2013), paper We2-5.

M. Imamura, S. Nishina, A. Irisawa, T. Yamashita, and E. Kato, “3D imaging and analysis system using terahertz waves,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2010), paper We-B3.1.

H. Quast and T. Loeffler, “3D-terahertz-tomography for material inspection and security,” in International Conference on Infrared Millimeter and Terahertz Waves (IEEE, 2009), paper T3D02.0311.

H. Quast, A. Keil, T. Hoyer, and T. Loeffler, “All-electronic 3D terahertz imaging for the NDT of composites,” in Proceedings of the 2nd International Symposium on NDT in Aerospace (Singapore Institute of Manufacturing Technology, 2010), paper We.4.B.3.

http://vadiodes.com/index.php/en/products/vector-network-analyzer .

L. Moeller, J. F. Federici, and K. Su, “THz wireless communications: 2.5  Gb/s error-free transmission at 625  GHz using a narrow-bandwidth 1  mW THz source,” in URSI General Assembly and Scientific Symposium (Turkey, 2011), paper DAF2–7.