Bibliometric data set the scene by illustrating the growth of terahertz work and the present
interest in terahertz science and technology. After locating terahertz sources within the …

We review pioneering and recent studies of the conductivity of solid state systems at
terahertz frequencies. A variety of theoretical formalisms that describe the terahertz …

Terahertz (THz) spectroscopy, and especially THz imaging, holds large potential in the field
of nondestructive, contact-free testing. The ongoing advances in the development of THz …

Terahertz frequency radiation possesses a unique combination of desirable properties for
noninvasive imaging and spectroscopy of materials. This includes the ability to obtain …

Chemical and physical systems undergoing change display spectral signatures from the
radio frequency to the X-ray region of the electromagnetic spectrum. This has led to the …

Three-dimensional topological insulators are fascinating materials with insulating bulk yet
metallic surfaces that host highly mobile charge carriers with locked spin and momentum …

Nonlinear optical spectroscopies are powerful tools for investigating both static material
properties and light-induced dynamics. Terahertz (THz) emission spectroscopy has …

Photoconductive antennas are promising sources of terahertz radiation that is widely used
for spectroscopy, characterization, and imaging of biological objects, deep space studies …

Generation of high‐power radiation in terahertz frequency range 0.3–10 THz is a fast
developing research area attracting considerable interest over the past years due to its …

Ultrafast optical excitation of select materials gives rise to the generation of broadband
terahertz (THz) pulses. This effect has enabled the field of THz time-domain spectroscopy …