Special Issue "Advances in THZ Spectroscopy"
Deadline for manuscript submissions: closed (29 February 2020) | Viewed by 13170
Interests: non-linear spectroscopy; time-resolved spectroscopy; ultrafast laser spectroscopy; transient grating; optical kerr effect; glass structure and dynamics; glass transition; acoustic propagation; phononic phenomena; liquid crystal; birefringence; order-disorder transitions; water physics
With the Terahertz (THz) radiation, the portion of the electromagnetic spectrum covering the frequency range of 0.1-10 THz, corresponding to the radiation wavelengths from 3000 to 30 μm, is usually indicated. In recent years, a series of coherent sources and detection technologies have been developed covering the THz spectrum; hence far-infrared spectroscopy meets a renewed and great interest. This interest ranges from fundamental research that can now investigate the low frequency dynamics with appropriate tools, to technological applications that take advantage of the non-ionizing, non-invasive and penetrable characteristics of THz radiation.
However, THz spectroscopy is still in its infancy and a rapid increase in the efficiency and quality of spectroscopy techniques will develop in the coming years. In particular, for fundamental research the interaction of high-intensity THz pulses with matter is a hot topic, which requires an extension of the theoretical models of non-linear phenomena from optical frequencies to THz ones. Furthermore, among the numerous technological applications, a rapid and efficient THz imaging method remains to be implemented; this is not a trivial task that requires to overcome a series of technical limitations present today in THz technology.
In this special issue, we are planning to collect a series of research studies related to THz spectroscopy. They may include experimental investigations, theoretical models and methods of data analysis for signal extraction; as well as new sources of THz radiation, detection apparatus including methods of imaging and/or characterization of THz radiation.Prof. Dr. Renato Torre
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- THz laser
- THz radiation
- far-infrared spectroscopy
- optical rectification
- THz time-domain spectroscopy
- quantum cascade laser
- THz Spectroscopy
- THz imaging