Terahertz reflection spectroscopy for the detection of explosives

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 6893, Issue , 2008, Pages

  Leahy Hoppa, Megan R ^a   Fitch, Michael J ^a   Osiander, Robert ^a  

^a JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CONTINUOUS WAVE TERAHERTZ (THZ) RADIATION; DETECTION OF EXPLOSIVES; IMPROVISED EXPLOSIVE DEVICES (IEDS); ORGANIC MATERIALS (OM); REFLECTION SPECTROSCOPY; REFLECTION SPECTRUM; SPECTRAL DIFFERENCES; SPECTRAL FEATURES; TAGGANTS; TERAHERTZ (THZ); TERAHERTZ (THZ) TECHNOLOGY; TERAHERTZ (THZ) WAVES; VISIBLE LIGHT; WIDE-RANGE;

COMPUTER NETWORKS; ELECTROMAGNETIC WAVE REFLECTION; EXPLOSIVES; IRIDIUM; METALS; MICROFLUIDICS; NITRATION; PIGMENTS; PLASTICS; PLASTICS APPLICATIONS; POLYMERS; REFLECTION; SPECTRUM ANALYSIS; SUGAR (SUCROSE); SUGARS; TECHNOLOGY;

DIELECTRIC MATERIALS;

EID: 42149102002     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.775548     Document Type: Conference Paper

References (27)

1. M. Rochat, L. Ajili, H. Willenberg, J. Faist, H. Beere, G. Davies, E. Linfield, and D. Ritchie, "Low-threshold terahertz quantum-cascade lasers," Appl. Phys. Lett. 81, 1381-83 (2002).
2. K. A. McIntosh, E. R. Brown, K. B. Nichols, O. B. McMahon, W. F. DiNatale, and T. M. Lyszczarz, "Terahertz photomixing with diode lasers in low-temperature-grown GaAs," Appl. Phys. Lett. 67, 3844-46 (1995).
3. G. L. Carr, M. C. Martin, W. R. McKinney, K. Jordan, G. R. Neil, and G. P. Williams., "Very high power THz radiation at Jefferson Lab," Phys. Med. Biol. 47, 3761-64 (2002).
4. R. Huber, A. Brodschelm, F. Tauser, and A. Leitenstorfer, "Generation and field-resolved detection of femtosecond electromagnetic pulses tunable up to 41 THz," Appl. Phys. Lett. 76, 3191-93 (2000).
5. Q. Wu, X.-C. Zhang, "7 terahertz broadband GaP electro-optic sensor," Appl. Phys. Lett. 70, 1784-86 (1997).
6. K. Liu, J. Xu, X.-C. Zhang, "GaSe crystals for broadband terahertz wave detection," Appl. Phys. Lett. 85, 863-65 (2004).
7. A.M. Sinyukov, L.M. Hayden, "Generation and detection of terahertz radiation with multilayered electro-optic polymer films," Opt. Lett. 27, 55-57 (2002).
8. L.M. Hayden, A.M. Sinyukov, M.R. Leahy, J. French, P. Lindahl, W.N. Herman, R.J. Tweig, and M. He, "New materials for optical rectification and electrooptic sampling of ultrashort pulses in the terahertz regime," J. Polym. Sci.:Part B: Polym. Phys. 41, 2492-500 (2003).
9. A.M. Sinyukov, L.M. Hayden, "Efficient electrooptic polymers for THz applications," J. Phys. Chem. B 108, 8515-22 (2004).
10. A.M. Sinyukov, M.R. Leahy, L.M. Hayden, M. Haller, J. Luo, A.K-Y. Jen, and L.R. Dalton, "Resonance enhanced THz generation in electro-optic polymers near the absorption maximum," Appl. Phys. Lett. 85, 5827-29 (2004).
11. X. Zheng, A. Sinyukov, and L.M. Hayden, "Broadband and gap-free response of a terahertz system based on a poled polymer emitter-sensor pair," Appl. Phys. Lett. 87, 081115 (2005).
12. H. Liu, Y. Chen, T. Yuan, F. Al-Douseri, J. Xu, and X.-C. Zhang, "Quantitative analysis of ammonia by THz time-domain spectroscopy," Proc. SPIE 5268, 43-52 (2004).
13. S.A. Harmon, R.A. Cheville, "Part-per-million gas detection from long-baseline THz spectroscopy," Appl. Phys. Lett. 85, 2128-30 (2004).
14. Y. Chen, H. Liu, Y. Deng, D. Schauki, M.J. Fitch, R. Osiander, C. Dodson, J.B. Spicer, M. Shur and X.-C. Zhang, "THz spectroscopic investigation of 2,4-dinitrotoluene," Chem. Phys. Lett. 400, 357-61 (2004).
15. F. Huang, B. Schulkin, H. Altan, J.F. Federici, and D. Gary, R. Barat, D. Zimdars, M. Chen and D.B. Tanner, "Terahertz study of 1,3,5-trinitro-s- triazine by time-domain and Fourier transform infrared spectroscopy," Appl. Phys. Lett. 85, 5535-37 (2004).
16. W.R. Tribe, D.A. Newnham, P.F. Taday, and M.C. Kemp, "Hidden object detection: security applications of terahertz technology," Proc. SPIE. 5354, 168-75 (2004).
17. Y. Watanabe, K. Kawase, T. Ikari, H. Ito, Y. Ishikawa, and H. Minamide, "Component analysis of chemical mixtures using terahertz spectroscopic imaging," Opt. Comm. 234, 125-29 (2004).
18. Y. Watanabe, K. Kawase, T. Ikari, H. Ito, Y. Ishikawa and H. Minamide, "Component spatial pattern analysis of chemicals using terahertz spectroscopic imaging," Appl. Phys. Lett. 83, 800-02 (2003).
19. K. Kawase, Y. Ogawa, Y. Watanabe, and H. Inoue, "Non-destructive terahertz imaging of illicit drugs using spectral fingerprints," Opt. Exp. 11, 2549-54 (2003).
20. E. Berry, G.C. Walker, A.J. Fitzgerald, N.N. Zinov'ev, M. Chamberlain, S.W. Smye, R.E. Miles, and M.A. Smith, "Do in vivo terahertz systems comply with safety guidelines?" J. Laser Appl. 15, 192 (2003).
21. M.J. Fitch and R. Osiander, "Terahertz waves for communication and sensing," Johns Hopkins APL Technical Digest, 25, 348-55 (2004).
22. M.R. Leahy-Hoppa, M.J. Fitch, X. Zheng, L.M. Hayden, R. Osiander, "Wideband THz Spectroscopy of Explosives," Chem. Phys. Lett., 434, 227-30 (2007).
23. M.J. Fitch, M.R. Leahy-Hoppa, E.W. Ott, and R. Osiander, "Molecular Absorption cross-section and absolute absorptivity in the THz frequency range for the explosives TNT, RDX, HMX, and PETN," Chem. Phys. Lett. 443, 284-88 (2007).
24. Y. Dikmelik, M.J. Fitch, R. Osiander, and J. B. Spicer, "The effects of rough surface reflection on terahertz time-domain spectroscopy," Optics Letters, 31, 3653-3655 (2006).
25. L. M. Zurk, B. Orlowski, D. P. Winebrenner, E. I. Thorsos, M. R. Leahy-Hoppa, and L. M. Hayden, "Terahertz scattering from granular material," J. Opt. Soc. Am. B, 24, 2238-43 (2007).
26. M. Walther, B.M. Fischer, P. Uhd Jepsen, "Noncovalent intermolecular forces in polycrystalline and amorphous saccharides in the far infrared," Chem. Phys. 288, 261-68 (2003).
27. B. Fischer, M. Hoffmann, H. Helm, G. Modjesch, P. Uhd Jepsen, "Chemical recognition in terahertz time-domain spectroscopy and imaging," Semicond. Sci. Technol. 20, S246-S253 (2005).