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Wire probe cst microwave studio3/16/2024 ![]() By tapering a THz wire waveguide into a tip, the THz pulses can be focussed to subwavelength spot-sizes, which further increases the intensity 12, 13, 14, 15, 16, 17, 18, 19, 20. In cancer research, endoscopic systems based on wave-guiding intense THz pulses could greatly extend THz cancer detection schemes, which are today limited to tissue that can be reached with optical techniques 10, 11. Even more spectacular progress in this vibrant field is expected from the development of THz plasmonics, presently a very active area of research, enabling new ways to control and manipulate THz radiation 6, 7.īy providing guided delivery of intense THz pulses, THz waveguides 8 open up new opportunities in photonics, such as single-shot, subwavelength THz imaging and possibly new applications based on nonlinear THz phenomena 9. In particular, the development of high-intensity, pulsed THz sources based on rectification of femtosecond laser pulses has revolutionized THz science and technology 1, 2, 3, 4, 5. The development of THz techniques in recent years has led to many exciting applications, such as medical imaging, characterization of materials, security screening and industrial process control. The terahertz (THz) part of the electromagnetic spectrum (0.1–10 THz) is ideal for probing and manipulating fundamental excitations in solids and rotational states in molecules. ![]()
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