terahertz radiation

(redirected from Terahertz wave)

terahertz radiation

n.
Electromagnetic radiation with waves of frequencies ranging from 0.3 × 1012 to 3 × 1012 hertz and of wavelengths ranging from 0.1 to 1 millimeter of potential use in detection, imaging, and communications technologies. Also called submillimeter radiation.
Mentioned in ?
References in periodicals archive ?
There are two types of millimeter and terahertz wave devices: those that emit a steady continuous energy stream with narrow frequency in the millimeter or terahertz range, used primarily for imaging, and those that emit a continuous stream of ultra-short pulses, used for both imaging and thickness measuring.
The NIST terahertz wave detection method works because goethite and hematite are antiferromagnetic.
Therefore, terahertz wave has great development potential in the field of short distance wireless communication.
She further added that applications of graphene are myriad and some obvious including rapid-charging lithium-ion batteries, super-capacitors, printable electronics, fold-able LED touch-screens, improved DNA sequencing, corrosion-resistant coatings, improved cement / concrete materials, a replacement for Kevlar, terahertz wave generators for extremely fast wireless communication, more efficient light-bulbs etc.
For coatings, the crystallinity, constituents, thickness, density, and internal structure can be determined nondestructively by analyzing the time delay and amplitude of terahertz wave pulses reflected by different coating layers with different refractive indices.
e])] Hz, it can be found that the broadband terahertz wave with the frequency range can transmit through the plasma with electron density range of [10.
As shown in Figure 4, an electro-optical crystal(1) makes it possible for variations in the strength of a terahertz wave to be photographed indirectly, by modulating them to changes in the light intensity of a probe light.
Titled "Broadband terahertz wave remote sensing using coherent manipulation of fluorescence from asymmetrically ionized gases," the paper describes the new system in detail.
The size and shape of the rings determine exactly how the metamaterial will interact with the terahertz wave.
The RIKEN group is trying to develop frequency tunable sources as well as several practical applications for the terahertz wave, such as checking for defects in computer chips.
They cover terahertz sensing technology, detecting terahertz radiation by dense arrays of InGaAs transistors, investigating and fabricating semiconductor devices based on the metamorphic InAlAs/InGaAs/InAlAs nanoheterostructures for terahertz applications, the peculiarity of terahertz wave scattering, the Rashba effect and beating patterns in the terahertz magneto-photoresponse of a HgTe-based two-dimensional electron gas, characterizing high mobility InAs/InGaAs/InAlAs composite channels by terahertz magneto-photoresponse spectroscopy, and quantum dot solar cells with nanoscale barriers around dots: experiment and two-diode model analysis.