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Range 300-3000 GHz of the electromagnetic spectrum
Terahertz radiation – also known as terahertz waves, tremendously high frequency (THF), T-rays, T-waves, T-light, or T-lux– consists of electromagnetic
Terahertz_radiation
Imaging and evaluation using the terahertz domain of electromagnetic radiation
Terahertz nondestructive evaluation pertains to devices, and techniques of analysis occurring in the terahertz domain of electromagnetic radiation. These
Terahertz nondestructive evaluation
Terahertz_nondestructive_evaluation
Full range of electromagnetic radiation frequencies
Terahertz radiation, also known as sub-millimeter radiation, THF, T-rays, or T-light, is a region of the spectrum from about 100 GHz to 30 terahertz (THz)
Electromagnetic_spectrum
Galaxy in the constellation Virgo
measurements of the terahertz radiation from the nucleus of the Sombrero Galaxy at a wavelength of 850 μm. This terahertz radiation was found not to originate
Sombrero_Galaxy
Medical diagnostic method
Terahertz tomography is a class of tomography where sectional imaging is done by terahertz radiation. Terahertz radiation is electromagnetic radiation
Terahertz_tomography
Technique of measuring electromagnetic spectra
In physics, terahertz time-domain spectroscopy (THz-TDS) is a form of terahertz spectroscopy using short pulses of terahertz radiation. The generation
Terahertz time-domain spectroscopy
Terahertz_time-domain_spectroscopy
Topics referred to by the same term
or 1012 hertz Terahertz radiation, electromagnetic waves within the ITU-designated band of frequencies from 0.3 to 3 terahertz Terahertz spectroscopy and
Terahertz
lower than infrared radiation and visible light. These characteristics mean that it is difficult to influence terahertz radiation with conventional electronic
Terahertz_metamaterial
Form of electromagnetic radiation
(30–100 μm) are sometimes included as part of the terahertz radiation band. Almost all black-body radiation from objects near room temperature is in the IR
Infrared
Electromagnetic radiation with wavelengths from 1 m to 1 mm
or 10 to 1 cm) at minimum. The boundaries between far infrared, terahertz radiation, microwaves, and ultra-high-frequency (UHF) are fairly arbitrary
Microwave
Molecule investigation technique
Terahertz spectroscopy refers to spectroscopic techniques that probe materials using electromagnetic radiation in the terahertz (THz) region, typically
Terahertz_spectroscopy
SI unit of frequency
vibrations extends from a few femtohertz into the terahertz range and beyond. Electromagnetic radiation is often described by its frequency—the number of
Hertz
Thermal electromagnetic radiation
Planck's law Pyrometer Rayleigh–Jeans law Sakuma–Hattori equation Terahertz radiation Thermography Wien approximation Loudon 2000, Chapter 1. Mandel &
Black-body_radiation
developed a number of instruments that harness the properties of terahertz radiation. Terahertz light has some interesting application. Many common materials
TeraView
Metric prefix
terahertz laser terahertz metamaterial terahertz radiation terahertz spectroscopy terahertz tomography terahertz nondestructive evaluation terajoule (TJ):
Tera-
Less harmful range of electromagnetic energy
are longer than that of visible light, but shorter than that of terahertz radiation microwaves. Bright sunlight provides an irradiance of just over 1
Non-ionizing_radiation
Proposed sixth-generation mobile telecommunications technology
transmission and reception at 500 meters distance outdoor. Research into terahertz radiation (300–3,000 GHz) and millimeter-wave frequencies (30–300 GHz) explores
6G
Device that emits light via optical amplification
coherent, high-power radiation that is widely tunable, currently ranging in wavelength from microwaves through terahertz radiation and infrared to the
Laser
vibration is thought to generate the terahertz radiation. Terahertz time-domain spectroscopy Rice et al., "Terahertz optical rectification from <110> zinc-blende
Optical_rectification
Recording of data on a magnetizable medium
of using terahertz radiation rather than using standard electropulses for writing data on magnetic storage media. By using terahertz radiation, writing
Magnetic_storage
Spectroscopic technique
vibrations in an anisotropic material are probed with short pulses of terahertz radiation whose electric field is linearly polarized parallel to the surface
Anisotropic terahertz microspectroscopy
Anisotropic_terahertz_microspectroscopy
Light with 15-1000 μm wavelength
infrared radiation within the CIE IR-B and IR-C bands. The longer wavelengths of the FIR spectrum overlap with a range known as terahertz radiation. Different
Far_infrared
Electromagnetic radiation humans can see
range of 400–700 nanometers (nm), corresponding to frequencies of 750–420 terahertz. The visible band sits adjacent to the infrared (with longer wavelengths
Light
Form of electromagnetic radiation
An X-ray is a form of high-energy electromagnetic radiation with a wavelength shorter than those of ultraviolet rays and longer than those of gamma rays
X-ray
Astronomy with terahertz (< 1 mm)-range light
astronomy that is conducted at submillimetre wavelengths (i.e., terahertz radiation) of the electromagnetic spectrum. Astronomers place the submillimetre
Submillimetre_astronomy
Plastic used to make optics
(Tsurupica) is a plastic used to make optics such as lenses for terahertz radiation. Picarin is useful for this purpose because it is highly transparent
Picarin
Planned Chinese space telescope
filters. The high sensitivity terahertz detection module (HSTDM) is designed for space-based observations of terahertz radiation, avoiding atmospheric absorption
Xuntian
Antenna capable of producing and detecting tremendously high-frequency radiation
that is commonly used in the generation and detection of pulsed terahertz radiation. It is named after the physicist David H. Auston who first developed
Auston_switch
Trace radiation from the early universe
The cosmic microwave background (CMB, CMBR), or relic radiation, is microwave radiation that fills all space in the observable universe. With a standard
Cosmic_microwave_background
Imaging by sections or sectioning using a penetrative wave
microporosities, cracks, precipitates or grains in a specimen. Synchrotron radiation is created by accelerating free particles in high vacuum. By the laws
Tomography
body scanners that use ionizing radiation (usually X-rays) and those that use non-ionizing radiation (terahertz radiation). The integrated components operating
History of radiation protection
History_of_radiation_protection
and storage rings used as synchrotron radiation sources, and free electron lasers. "7.14 Synchrotron Radiation Sources". www.ptb.de. 2017-01-23. Retrieved
List of synchrotron radiation facilities
List_of_synchrotron_radiation_facilities
Chemical compound
mechanically scanned thermal imaging systems. Another application is as a terahertz radiation source as it is a strong photo-Dember emitter. The intermetallic
Indium_antimonide
far infrared or terahertz frequency band of the electromagnetic spectrum. FIR lasers have application in terahertz spectroscopy, terahertz imaging as well
Far-infrared_laser
30–300 GHz range of the electromagnetic spectrum
of the radio spectrum, between the super high frequency band and the terahertz band. Radio waves in this band have wavelengths from ten to one millimeter
Extremely_high_frequency
Topics referred to by the same term
Look up T-ray or terahertz radiation in Wiktionary, the free dictionary. Terahertz radiation is electromagnetic waves within the ITU-designated band of
T-ray_(disambiguation)
British physicist, engineer (born 1960)
received an Australian Laureate Fellowship in 2024, for ultrasensitive Terahertz radiation detection. In March 2009, a University of Adelaide team led by Abbott
Derek_Abbott
Plasma physicist
other electromagnetic devices involving high-powered microwaves or terahertz radiation. Temkin received a bachelor's degree from Harvard University in 1966
Richard_J._Temkin
Spanish-American electrical engineer
Non-terrestrial terahertz networks, including CubeSat and low Earth orbit satellite links. Biological effects of terahertz radiation and in vivo wireless
Josep_Miquel_Jornet
Dual-velocity wave phenomenon
patterns in different types of electromagnetic radiation (microwaves, visible light, and terahertz radiation) as well as in fluid surface waves and seismic
Precursor_(physics)
Chemical compound
electron mobility and narrow energy bandgap. It is widely used as a terahertz radiation source as it is a strong photo-Dember emitter. Quantum dots can be
Indium_arsenide
Materials engineered to have properties that have not yet been found in nature
parallel to the latest. Terahertz metamaterials interact at terahertz frequencies, usually defined as 0.1 to 10 THz. Terahertz radiation lies at the far end
Metamaterial
Wave that can travel around a concave surface
electromagnetic waves such as radio waves, microwaves, terahertz radiation, infrared radiation, ultraviolet waves and x-rays. More recently, with the
Whispering-gallery_wave
Vacuum tube which generates high-frequency radio waves
20 to 527 GHz, covering wavelengths from microwave to the edge of the terahertz gap. Typical output powers range from tens of kilowatts to 1–2 megawatts
Gyrotron
German microwave engineer
microwave engineer who studies devices for generating and measuring terahertz radiation and their applications including in health technology, environmental
Ilona_Rolfes
Effect in semiconductor physics
applications of the photo–Dember effect is the generation of terahertz (THz) radiation pulses for terahertz time-domain spectroscopy. This effect is present in
Photo–Dember_effect
Very pure silicon obtained by vertical zone melting
highly transparent to terahertz radiation, and is usually used to fabricate optical components, such as lenses and windows, for terahertz applications. It
Float-zone_silicon
Research laboratory in Illinois, US
chemical, biological, nuclear and explosive materials; portable Terahertz radiation ("T-ray") machines that detect dangerous materials more easily than
Argonne_National_Laboratory
Laser using electron beam in vacuum as gain medium
type of laser, with wavelengths ranging from microwaves through terahertz radiation and infrared, to the visible spectrum, ultraviolet, and X-ray. The
Free-electron_laser
Device that emites acoustic radiation
Sound amplification by stimulated emission of radiation (SASER) refers to a device that emits acoustic radiation. It focuses sound waves in a way that they
Sound amplification by stimulated emission of radiation
Sound_amplification_by_stimulated_emission_of_radiation
University in Moscow, Russia
(Lille, France), a new method for controlling the polarization of terahertz radiation was proposed, which proved to be simpler and more efficient than
MIREA – Russian Technological University
MIREA_–_Russian_Technological_University
Antenna for receiving power
diodes". Graphene geometric diodes have been reported to rectify terahertz radiation. In April 2020, geometric diodes were reported in silicon nanowires
Rectenna
Japanese research institute
frequency time signal. In late August 2015, it was announced that a terahertz radiation scanner developed by the institute would be one of the instruments
National Institute of Information and Communications Technology
National_Institute_of_Information_and_Communications_Technology
Phenomenon from solid state physics
Leo in 1992. Other realizations were the observation of coherent Terahertz radiation of Bloch oscillations by Hartmut Roskos et al. in 1993 the observation
Bloch_oscillation
phones, and various other electronic devices, emit radiation which consists of non-ionising radiation or radiofrequency electromagnetic fields (RF EMF)
Wireless device radiation and health
Wireless_device_radiation_and_health
Space observatory
computation software Observational cosmology Physical cosmology Terahertz radiation "The Planck space observatory is integrated on Ariane 5 for Arianespace's
Planck_(spacecraft)
Application of physics in medicine or healthcare
sealed source radiotherapy, terahertz radiation, high-intensity focused ultrasound (including lithotripsy), optical radiation lasers, ultraviolet etc. including
Medical_physics
Physical property of allowing light
frequencies may average on the order of 1012 cycles per second (Terahertz radiation). When a light wave of a given frequency strikes a material with
Transparency_and_translucency
GUSTO (Galactic / Extragalactic ULDB Spectroscopic Terahertz Observatory) is a high-altitude balloon mission that carries an infrared telescope to measure
GUSTO
Type of electromagnetic radiation
waves (formerly called Hertzian waves) are a type of electromagnetic radiation with the lowest frequencies and the longest wavelengths in the electromagnetic
Radio_wave
Device that switches or amplifies optical signals
Hoberg, C.; Novelli, F. (2022). "An ultra-fast liquid switch for terahertz radiation". APL Photonics. 7 (121302): 121302. Bibcode:2022APLP....7l1302B
Optical_transistor
monolayer of InAs on InP or GaAs. Strong photo-Dember emitter, used as a terahertz radiation source. III-V 2 Indium antimonide InSb 0.17 direct Used in infrared
List of semiconductor materials
List_of_semiconductor_materials
Japanese research organization
Science Center for Advanced Photonics (research on photonics including terahertz radiation) Research Cluster for Innovation Cluster for Pioneering Research
Riken
Portion of the electromagnetic spectrum that is visible to the human eye
terms of frequency, this corresponds to a band in the vicinity of 400–790 terahertz. These boundaries are not sharply defined and may vary per individual
Visible_spectrum
and coherent detection of pulsed terahertz radiation, which helped demonstrate the unique capabilities of terahertz imaging and spectroscopy compared
Giles_Davies
Italian applied physicist
nonlinearities in quantum wells such as widely tunable sources of terahertz radiation based on difference frequency generation and with plasmonics. He
Federico_Capasso
Semiconductor materials with a larger band gap
be made that emit in the visible spectrum, or even produce ultraviolet radiation. Solid-state lighting using wide-bandgap semiconductors has the potential
Wide-bandgap_semiconductor
Semiconductor material, a surface modification of silicon
ISSN 0031-9007. PMID 32976002. Gail Overton: Terahertz Technology: Black silicon emits terahertz radiation. In:Laser Focus World, 2008 Cheng-Hsien Liu:
Black_silicon
Metal alloy
including semiconductor radiation detectors, photorefractive gratings, electro-optic modulators, solar cells, and terahertz generation and detection
Cadmium_zinc_telluride
Frazione in Sicily, Italy
Triangle of death (Italy) Electromagnetic radiation Electromagnetic pulse Terahertz radiation Far-infrared laser Terahertz metamaterials THz-wave radar Weapons/military
Canneto,_Caronia
British scientist
with many developments in Semiconductor Physics and applications of terahertz radiation. He sits on the Scientific Advisory Committee of Australia's ARC
Michael_Pepper
Decommissioned radio telescope in Hawaii, US
Beginning in 1986, it was engaged in submillimeter astronomy of the terahertz radiation band. The telescope closed on September 18, 2015. Disassembly of
Caltech Submillimeter Observatory
Caltech_Submillimeter_Observatory
Russian university
have completed testing a new method of electro-optical detection of terahertz radiation pulses, which allows seeing through opaque materials and can be used
N. I. Lobachevsky State University of Nizhny Novgorod
N._I._Lobachevsky_State_University_of_Nizhny_Novgorod
Type of analysis technique
operation conditions Terahertz nondestructive evaluation – Imaging and evaluation using the terahertz domain of electromagnetic radiation Thermal acoustic
Nondestructive_testing
from the upper atmosphere or from space. Objects emitting ultraviolet radiation include the Sun, other stars and galaxies. UV ranges listed at Ultraviolet
List_of_space_telescopes
light Talbot cavity Targeting (warfare) Targeting pods Taser Terahertz radiation Terahertz time-domain spectroscopy Terra-3 Tetracene Theatrical smoke
List_of_laser_articles
Ajay (2010-10-22). "Slot waveguide-based splitters for broadband terahertz radiation". Optics Express. 18 (22). The Optical Society: 23466–71. Bibcode:2010OExpr
Slot-waveguide
Terahertz antenna researcher
is an electrical engineer who studies quasioptics, antennas for terahertz radiation, and their applications including 3D imaging and submillimeter astronomy
Nuria_Llombart
astronomical objects detectable at submillimetre wavelengths (i.e. terahertz radiation). subsatellite Any natural or artificial satellite that orbits another
Glossary_of_astronomy
is a measure of the sensitivity of a detector of thermal radiation in the infrared, terahertz or microwave portions of the electromagnetic spectrum. It
Noise-equivalent_temperature
Chinese Professor of Electrical and Computer Engineering
finite blocklength coding, edge computing, Unmanned aerial vehicle, Terahertz radiation, information-centric networking, 5G wireless network, network virtualization
Xi_Zhang_(professor)
British quantum physicist (born 1969)
Paul started work on SiGe terahertz radiation sources first with DARPA funding in 2000 which delivered the first SiGe terahertz LEDs before additional support
Douglas_Paul
Topics referred to by the same term
the recording of a heartbeat in an electrocardiogram Terahertz radiation, electromagnetic radiation in the microwave band T wave (seismic), a form of seismic
T-wave
Way to produce very short laser bursts
down-conversion, optical parametric oscillators, and generation of terahertz radiation. Optical data storage uses lasers, and the emerging technology of
Mode_locking
Calendar year
heat. A team led by Rüdeger Köhler developed a laser that emits terahertz radiation. Early study of Bose–Einstein condensates continued in 2002, as did
2002
American university laboratory
National Accelerator Laboratory. Recent research programs include Terahertz radiation (sometimes called T-rays) ultrafast studies and attosecond pulse
Stanford_PULSE_Institute
British physicist
American Institute of Physics. Katona, Gergely; et al. (October 2015). "Terahertz radiation induces non-thermal structural changes associated with Fröhlich condensation
Herbert_Fröhlich
Electromagnetic spectrum, 3 Hz – 3000 GHz
the terahertz band above 300 GHz, the radio waves are attenuated to zero within a few meters due to the absorption of electromagnetic radiation by the
Radio_spectrum
received an Australian Laureate Fellowship in 2024 for ultrasensitive Terahertz radiation detection. Jean Bacon - computing specialist. Later became the first
Hirst_Research_Centre
Research institute in Akademgorodok of Novosibirsk, Russia
The institute is developing methods for diagnosing diabetes using terahertz radiation. Institute scientists created the model of exoplanet atmosphere.
Institute_of_Laser_Physics
American astronomer and physicist
than those of terahertz radiation (100 μm – 1 mm) or microwaves. Astronomers had been trying to find measures to detect infrared radiation for years, and
Frank_J._Low
Signal generator that produces multiple harmonic outputs
the USA. An optical comb generator can be used as generators of terahertz radiation. Internally, it is a resonant electro-optic modulator, with the capability
Comb_generator
Model of phonons-polaritons
take place in a single crystal. A full treatment of the Cherenkov-radiation-like terahertz wave response reveals that in general, there is also a forward
Polaritonics
Institute of Clinical Immunology established. Siberian Synchrotron and Terahertz Radiation Centre was established. Insula Magica (early music group) formed
Timeline_of_Novosibirsk
1962 novel by Frederik Pohl
on what the novel calls "sub-millimeter microwaves" (now known as terahertz radiation), the technology allows people wearing the coronets to locate and
A_Plague_of_Pythons
Research establishment in Adlershof, Berlin, Germany
is run by PTB and provides synchrotron radiation in the energy range of far infrared and Terahertz radiation. The two facilities complement one another
BESSY
(2018) Derek Abbott – physicist and engineer; pioneered the first terahertz radiation (T-ray) program in Australia; led the early development of a branch
List of University of Adelaide people
List_of_University_of_Adelaide_people
Comparison of a wide range of frequencies
1123430. PMID 16410486. S2CID 14945340. "Fastest Transistor Approaches Terahertz Speed". Semiconductor International. 2007-01-01. Archived from the original
Orders of magnitude (frequency)
Orders_of_magnitude_(frequency)
Structure in some metamaterials
susceptibility (magnetic response) in various types of metamaterials up to 200 terahertz. Split ring resonators (SRRs) consist of a pair of concentric metallic
Split-ring_resonator
Emission of electrons when electromagnetic radiation hits a material
electromagnetic radiation with a specific orientation of electric field can excite electrons leading to enhanced emission in the Terahertz range. These are
Photoelectric_effect
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TERAHERTZ RADIATION
TERAHERTZ RADIATION
TERAHERTZ RADIATION
TERAHERTZ RADIATION
TERAHERTZ RADIATION
TERAHERTZ RADIATION
TERAHERTZ RADIATION
TERAHERTZ RADIATION
TERAHERTZ RADIATION
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