THz-related News and Anouncements
A scheme for the remote sensing of terahertz waves over distances of tens of metres could have important applications in security and biology. Xi-Cheng Zhang from the Rensselaer Polytechnic Institute spoke to Nature Photonics about his group’s latest work in this field.
Pathologists analysing tissue samples could benefit from the wealth of extra information generated by studying the sample with terahertz (THz) radiation, according to researchers at Sony in Japan.
The IEEE Transactions on Terahertz Science and Technology will cover a wide range of activities and developments in terahertz science and applications, while at the same time helping to bridge the technology gap between the RF and photonics communities.
Researchers at Tufts University and Boston University have fabricated and characterized the first large area metamaterial structures patterned on implantable, bio-compatible silk substrates.
A collaborative team of applied scientists from Harvard University and the University of Leeds have demonstrated a new terahertz (THz) semiconductor laser that emits beams with a much smaller divergence than conventional THz laser sources.
The demonstration of an integrated terahertz transceiver featuring a quantum cascade laser and a Schottky diode mixer promises new applications for compact and convenient terahertz photonic instrumentation.
Time-resolved laser spectroscopy of a high-transition-temperature superconductor shows that excited electrons and phonons both relax very quickly on ultrafast time scales and to some extent independently. A Viewpoint on: “Femtosecond Response of Quasiparticles and Phonons in Superconducting YBa2Cu3O7-? Studied by Wideband Terahertz Spectroscopy”
Phys. Rev. Lett. 105, 067001 (2010) – Published August 02, 2010.
The molecular skeletal vibrational frequencies, intermolecular vibrational frequencies, and phonon frequencies of organic compounds vary with different polymorphic forms and are generally in the THz range. Consequently, THz spectroscopy can provide a clearer, more accurate estimate of the polymorphic form of a substance.
Biased large-area photoconductive emitters with high conversion efficiency and the generation of intense terahertz radiation without biasing based on the photo-Dember effect overcome the limits of currently available photoconductive-antenna-based terahertz sources.
System could enhance cancer diagnostics and early detection of disease
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