Industrial applications of THz systems

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7385, Issue , 2009, Pages 738506-

  Wietzke, S ^a   Jansen, C ^a   Jordens, C ^a   Krumbholz, N ^a   Vieweg, N ^a   Scheller, M ^a   Shakfa, M K ^a   Romeike, D ^a   Hochrein, T ^a,b   Mikulics, M ^c   Koch, M ^d  

^a TECHNICAL UNIVERSITY OF BRAUNSCHWEIG   (Germany)

^b SKZ KFE gGmbH   (Germany)

^c FORSCHUNGSZENTRUM JÜLICH   (Germany)

^d PHILIPPS UNIVERSITY MARBURG   (Germany)

Author keywords

Fiber orientation; Food inspection; Hydrology monitoring of plants; Liquid explosives; Parameter extraction; Plastics industry; Security systems; Terahertz time domain spectroscopy; Water content

Indexed keywords

ADDITIVE CONCENTRATIONS; COMPOUNDING PROCESS; DEGREE OF DISPERSION; DIELECTRIC CONTRASTS; FIBER ORIENTATIONS; FIBER REINFORCEMENT; FOOD INSPECTION; HANDHELDS; HIGH POTENTIAL; IN-LINE CONFIGURATION; IN-PLANTS; INDUSTRIAL PROCESSS; MOISTURE ABSORPTION; NEW APPROACHES; NON DESTRUCTIVE; NON DESTRUCTIVE EVALUATION; NON DESTRUCTIVE TESTING; NONCONTACT TESTING; PLASTIC COMPONENTS; SECURITY SCANNER; SECURITY SCANNING; TERAHERTZ TIME-DOMAIN SPECTROSCOPY; THZ IMAGING; THZ RADIATION; THZ WAVES; THZ-TDS; WELD JOINTS;

ADDITIVES; ELASTOMERS; FOOD TECHNOLOGY; HIGH ENERGY PHYSICS; HYDROLOGY; INDUSTRIAL APPLICATIONS; INSPECTION; LIQUIDS; NETWORK SECURITY; NONDESTRUCTIVE EXAMINATION; PARAMETER EXTRACTION; PLASMONS; PLASTICITY; PLASTICS; PLASTICS APPLICATIONS; PLASTICS PLANTS; POLYMERS; QUALITY FUNCTION DEPLOYMENT; REFLECTOMETERS; SECURITY SYSTEMS; SOLVENT EXTRACTION; SPECTROPHOTOMETERS; TIME DOMAIN ANALYSIS; TOTAL QUALITY MANAGEMENT; WATER; WATER ABSORPTION; WATER CONTENT; WELDS;

PLASTICS INDUSTRY;

EID: 70449640413     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.840991     Document Type: Conference Paper

References (50)

1. W. L. Chan, J. Deibel, and D. M. Mittleman, "Imaging with terahertz radiation", Reports on Progress in Physics, vol. 70, no. 8, pp. 1325-1379, 2007.
2. D. Mittleman (ed.), "Sensing with terahertz radiation", Springer, Berlin, 2003.
3. K. Sakai (ed.), "Terahertz optoelectronics", Springer, Berlin, 2005.
4. P. H. Siegel, "Terahertz technology", IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 3, pp. 910-928, 2002.
5. PlasticsEurope's Market Research and Statistics Group (PEMRG), Tech. Rep., 2008.
6. W. Grellmann and S. Seidler, Eds., Polymer Testing, Carl Hanser Verlag, Munich, 2007.
7. M. Tani, M. Herrmann, and K. Sakai, "Generation and detection of terahertz pulsed radiation with photoconductive antennas and its application to imaging", Measurement Science and Technology, vol. 13, no. 11, pp. 1739-1745, 2002.
8. D. M. Mittleman, M. Gupta, R. Neelamani, R. G. Baraniuk, J. V. Rudd, and M. Koch, "Recent advances in terahertz imaging", Applied Physics B: Lasers and Optics, vol. 68, no. 6, pp. 1085-1094, 1999.
9. S. Hadjiloucas, L. S. Karatzas, and J. W. Bowen, "Measurements of leaf water content using terahertz radiation", IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 2, pp. 142-149, 1999.
10. K. Kogermann, J. A. Zeitler, J. Rantanen, T. Rades, P. F. Taday, M. Pepper, J. Heinamaki, and C. J. Strachan, "Investigating dehydration from compacts using terahertz pulsed, raman, and near-infrared spectroscopy", Applied Spectroscopy, vol. 61, no. 12, pp. 1265-1274, 2007.
11. D. Banerjee, W. Von Spiegel, M. D. Thomson, S. Schabel, and H. G. Roskos, "Diagnosing water content in paper by terahertz radiation", Optics Express, vol. 16, no. 12, pp. 9060-9066, 2008.
12. D. Zimdars, J. White, G. Sucha, G. Fichter, G. Stuk, C. Megdanoff, A. Chernovsky, and S. L. Williamson, "Terahertz measurement and imaging detection of delamination and water intrusion in ground based radome panels", in Proceedings of SPIE - The International Society for Optical Engineering, 2007, vol. 6549.
13. J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, "THz imaging and sensing for security applications - explosives, weapons and drugs", Semiconductor Science and Technology, vol. 20, no. 7, pp. 266-280, 2005.
14. V. J. Brown, "T rays vs. terrorists: Widening the security spectrum", Environmental health perspectives, vol. 114, no. 9, pp. A540-A543, 2006.
15. A. Redo-Sanchez and X.-C. Zhang, "Terahertz science and technology trends", IEEE Journal on Selected Topics in Quantum Electronics, vol. 14, no. 2, pp. 260-269, 2008.
16. D. Zimdars, J. White, G. Stuk, G. Sucha, G. Fichter, and S. L. Williamson, "Time domain terahertz imaging of threats in luggage and personnel", International Journal of High Speed Electronics and Systems, vol. 17, no. 2, pp. 271-281, 2007.
17. M. K. Choi, A. Bettermann, D. W. Van Der Weide, A. Crompton, H. Roskos, K. Unterrainer, S. Withington, and G. Smith, "Potential for detection of explosive and biological hazards with electronic terahertz systems", Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol. 362, no. 1815, pp. 337-349, 2004.
18. H.-B. Liu, Y. Chen, G. J. Bastiaans, and X.-C. Zhang, "Detection and identification of explosive RDX by THz diffuse reflection spectroscopy", Optics Express, vol. 14, no. 1, pp. 415-423, 2006.
19. J. Chen, Y. Chen, H. Zhao, G. J. Bastiaans, and X.-C. Zhang, "Absorption coefficients of selected explosives and related compounds in the range of 0.1-2.8 THz", Optics Express, vol. 15, no. 19, pp. 12060-12067, 2007.
20. G.-F. Liu, H.-W. Zhao, M. Ge, and W.-F. Wang, "Application of terahertz time domain spectroscopy to explosive and illegal drug", Guang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis, vol. 28, no. 5, pp. 966-969, 2008.
21. P. U. Jepsen, J. K. Jensen, and U. Moller, "Characterization of aqueous alcohol solutions in bottles with THz reflection spectroscopy", Optics Express, vol. 16, no. 13, pp. 9318-9331, 2008.
22. M. Scheller, C. Jansen, and M. Koch, "Analyzing sub-100-μm samples with transmission terahertz time domain spectroscopy", Optics Communications, vol. 282, no. 7, pp. 1304-1306, 2009.
23. S. Krimm, "Infrared spectra of high polymers", Fortschritte der Hochpolymeren-Forschung, vol. 2, no. 1, pp. 51- 172, 1960.
24. V. A. Bershtein and V. A. Ryzhov, "Relationship between molecular characteristics of polymers and parameters of far-infrared spectra", Journal of Macromolecular Science - Physics, vol. B23, no. 2, pp. 271-287, 1984.
25. G. D. Dean and D. H. Martin, "Inter-molecular vibrations of crystalline polyethylene and long-chain paraffins", Chemical Physics Letters, vol. 1, pp. 415-416, 1967.
26. H. Tadokoro, M. Kobayashi, H. Yoshidome, T. A. I. Kazuo, and D. Marino, "Structural studies of polyesters. ii. farinfrared spectra of aliphatic polyesters: comparison with alpha-polyamides", The Journal of Chemical Physics, vol. 49, no. 8, pp. 3359-3373, 1968.
27. W. F. X. Frank and H. Fiedler, "On the problem of direct observation of h-bridge interactions in polymers by fir spectroscopy", Infrared Physics, vol. 19, no. 3-4, pp. 481-489, 1979.
28. V. A. Bershtein, V. M. Egorov, L. M. Egorova, and V. A. Ryzhov, "The role of thermal analysis in revealing the common molecular nature of transitions in polymers", Thermochimica Acta, vol. 238, no. C, pp. 41-73, 1994.
29. V. A. Bershtein and V. A. Ryzhov, "Far infrared spectroscopy of polymers", Advances in Polymer Science, vol. 114, pp. 42-121, 1994.
30. R. Piesiewicz, C. Jansen, S. Wietzke, D. Mittleman, M. Koch, and T. Kurner, "Properties of building and plastic materials in the THz range", International Journal of Infrared and Millimeter Waves, vol. 28, no. 5, pp. 363-371, 2007.
31. N. Nagai and R. Fukasawa, "Abnormal dispersion of polymer films in the THz frequency region", Chemical Physics Letters, vol. 388, pp. 479-482, 2004.
32. S. Wietzke, C. Jansen, F. Rutz, D. M. Mittleman, and M. Koch, "Determination of additive content in polymeric compounds with terahertz time-domain spectroscopy", Polymer Testing, vol. 26, no. 5, pp. 614-618, 2007.
33. S. O. Nelson, "Density-permittivity relationships for powdered and granular materials", IEEE Transactions on Instrumentation and Measurement, vol. 54, no. 5, pp. 2033-2040, 2005.
34. M. Scheller, S. Wietzke, C. Jansen, and M. Koch, "Modelling heterogeneous dielectric mixtures in the terahertz regime: a quasi-static effective medium theory", Journal of Physics D: Applied Physics, vol. 42, pp. 065415, 2009.
35. N. Krumbholz, T. Hochrein, N. Vieweg, T. Hasek, K. Kretschmer, M. Bastian, M. Mikulics, and M. Koch, "Monitoring polymeric compounding processes inline with THz time-domain spectroscopy", Polymer Testing, vol. 28, no. 1, pp. 30-35, 2009.
36. N. Vieweg, N. Krumbholz, T. Hasek, R. Wilk, V. Bartels, C. Keseberg, V. Pethukhov, M. Mikulics, L. Wetenkamp, and M. Koch, "Fiber-coupled THz spectroscopy for monitoring polymeric compounding processes", 2007, vol. 6616, p. 66163M, SPIE.
37. N. Krumbholz, T. Hochrein, N. Vieweg, I. Radovanovic, I. Pupeza, M. Schubert, K. Kretschmer, and M. Koch, "Degree of dispersion of polymeric compounds determined with terahertz time-domain spectroscopy", submitted to Polymer Engineering and Science.
38. S. Wietzke, C. Jordens, N. Krumbholz, B. Baudrit, M. Bastian, and M. Koch, "Terahertz imaging: a new nondestructive technique for the quality control of plastic weld joints", Journal of the European Optical Society - Rapid Publications, vol. 2, pp. 07013, 2007.
39. N. Karpowicz, D. Dawes, M. J. Perry, and X.-C. Zhang, "Fire damage on carbon fiber materials characterized by THz waves", in Proceedings of SPIE, 2006, vol. 6212.
40. C. D. Stoik, M. J. Bohn, and J. L. Blackshire, "Nondestructive evaluation of aircraft composites using transmissive terahertz time domain spectroscopy", Optics Express, vol. 16, no. 21, pp. 17039-17051, 2008.
41. F. Rutz, T. Hasek, M. Koch, H. Richter, and U. Ewert, "Terahertz birefringence of liquid crystal polymers", Applied Physics Letters, vol. 89, pp. 221911, 2006.
42. N. C. J. Van der Valk, W. A. M. Van der Marel, and P. C. M. Planken, "Terahertz polarization imaging", Optics Letters, vol. 30, no. 20, pp. 2802-2804, 2005.
43. C. Jordens, M. Scheller, S. Wietzke, D. Romeike, C. Jansen, T. Zentgraf, K. Wiesauer, V. Reisecker, and M. Koch, "Terahertz spectroscopy to study the orientation of glass fibres in reinforced plastics", submitted to Composites Science and Technology.
44. th Intern. Conf. on Woodfiber-Plastic Composites (and other natural fibers), pp. 335-343, 2005.
45. M. Tajvidi and G. Ebrahimi, "Water uptake and mechanical characteristics of natural filler-polypropylene composites", Journal of Applied Polymer Science, vol. 88, no. 4, pp. 941-946, 2003.
46. C. Jordens, S. Wietzke, M. Scheller, and M. Koch, "Investigation of the water absorption in polyamide and wood plastic composite by terahertz time-domain spectroscopy", submitted to Polymer.
47. C. Jordens, M. Scheller, B. Breitenstein, D. Selmar, and M. Koch, "Evaluation of the leaf water status by means of the permittivity at terahertz frequencies", Journal of Biological Physics, accepted for publication.
48. C. Jordens and M. Koch, "Detection of foreign bodies in chocolate with pulsed THz spectroscopy", Optical Engineering, vol. 47, no. 3, pp. 037003, 2008.
49. C. Jordens, M. Salhi, T. Hasek, G. Thorwirth, U. Bottger, and M. Koch, "Micro-mirrors for a multifocus terahertz imaging system", in Proceedings of the European Microwave Association, 2006, vol. 2, pp. 300-304.
50. C. Jordens, N. Krumbholz, T. Hasek, N. Vieweg, B. Scherger, L. Bahr, M. Mikulics, and M. Koch, "Fibre-coupled terahertz transceiver head", Electronics Letters, vol. 44, no. 25, pp. 1473-1475, 2008.