What can terahertz be used for?
Terahertz radiation can penetrate fabrics and plastics, so it can be used in surveillance, such as security screening, to uncover concealed weapons on a person, remotely. This is of particular interest because many materials of interest have unique spectral “fingerprints” in the terahertz range.
What are some potential THz applications?
Terahertz (THz) radiation is receiving increasing attention for its very diverse range of applications in both technology and science, including such areas as information and communications technology (ICT), non-destructive sensing and imaging, strong light-matter coupling, physics, and biology.
Is terahertz water harmful?
Unlike x-rays, terahertz waves are non-ionizing—they do not have enough energy to remove an electron from an atom—so they do not have the same harmful effects on human tissue and DNA.
Is terahertz radiation safe?
THz radiation is non-ionizing and is considered to be safe for humans at low powers. THz waves are strongly absorbed by water molecules, which limits their penetration into tissues by hundreds or even tens of microns.
What is a terahertz device?
A terahertz metamaterial is a class of composite metamaterials designed to interact at terahertz (THz) frequencies. The terahertz frequency range used in materials research is usually defined as 0.1 to 10 THz. This bandwidth is also known as the terahertz gap because it is noticeably underutilized.
How is terahertz generated?
Broadband terahertz pulses can be generated by exciting THz-PCAs with a femto-second short pulse laser. Using a femto-second laser with ~ 100 fs optical pulse duration, terahertz pulses with their frequency content extended up to around 5 THz and an average power of a few μW can be achieved.
What is terahertz communication?
Terahertz (THz) transmission is a complementary wireless technology for communication networks, which allow high-speed wireless extension of the optical fibers for Beyond 5G.
Is terahertz magnetic?
Compared to interaction with the electric field, the magnetic component is imperceptible when in terahertz, infrared, and visible light. This demonstrated the occurrence of an artificial magnetism, and was later applied to terahertz and infrared electromagnetic wave (or light).
What is terahertz water device?
Terahertz water converts water with a cluster state into water with a linear stage, which increases the energy of the water. And it is easier to neutralize free radicals and balance the pH of the body.
Is 6G terahertz?
SEOUL, Aug. 19, 2021 — LG Electronics (LG) successfully demonstrated the transmission and reception of wireless 6G terahertz (THz) data over 100 meters in an outdoor setting.