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Terahertz
300 GHz to 3 THz Also known as: THz
See Also: Frequency, Gigahertz, Microwave, THz, Spectroscopy
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Product
*Terahertz Measurement
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Terahertz laser power and beam profiling measurement is not a trivial task. But as anyone using or developing THz lasers knows, it is crucial to obtain accurate measurements of your laser. Ophir offers a few choices, depending on what aspect of your laser you need to measure. Read these posts for more about Terahertz measurement.
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Compact Terahertz Spectrometer
TeraSmart
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>5 THz bandwidth, >90 dB dynamic range. compact terahertz spectrometer TeraSmart integrates the latest achievements in broadband Terahertz Time Domain Spectroscopy (THz-TDS) into an easy-to use turnkey solution. It combines Menlo Systems’ latest fiber-based femtosecond laser sources featuring our figure 9® mode locking technology with our industry-proven THz components.
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Terahertz Systems
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Terahertz waves are electromagnetic waves in the frequency band between radio waves and light waves. It combines the transmissivity of radio waves and the straightness of light waves and provides fingerprint spectra based on intermolecular interactions from small molecules to high polymers. By utilizing of this characteristic for spectroscopic and imaging measurements, it is possible to apply them to nondestructive analysis that has never been done before.
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Terahertz Gauging And Imaging
TeraMetrix
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TeraMetrix is Luna’s platform for terahertz gauging and imaging, using pulsed terahertz waves to provide precise measurement of single and multi-layer thickness, density, basis weight and caliper thickness.
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Terahertz Time Domain Solutions
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The Menlo Terahertz product portfolio (THz, also known as millimeter waves) covers time domain solutions in traditional pump-probe configurations, as well as solutions for imaging. The products for the time domain are ideally suited for fingerprint spectroscopy whereas the imaging instruments find their use in quality control and inspection.
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Femtosecond Terahertz Spectrometer
Pacifica
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Terahertz spectroscopy and microscopy are becoming a powerful tool in biology, medicine, semiconductor physics and in many applicaitons. Designed for obtaining THz spectra by using of THz pulses generated by femtosecond laser in oriented ZnTe crystal.
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Mixers/Receivers In Terahertz Range
Hot Electron Bolometer (HEB)
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Insight Product Company offers Hot Electron Bolometer (HEB) mixers, receivers, and chips made from NbN or NbTiN thin film. The HEB mixers can operate at frequencies of up to several terahertz. Advantages: Above about 1 THz Hot Electron Bolometer mixers offer the best sensitivity and lowest noise of all the technology for the coherent detection of radiation.
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Terahertz Imager for Material Inspection
T-SENSE FMI
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This highly efficient technology is based on the most recent research results. Production can be monitored and controlled at various levels. T-SENSE FMI uses millimeter waves in the lower terahertz range with no health risks involved. This means that the equipment can be used anywhere and for several purposes without the need for radiation protection.
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MmWave And Terahertz Products
Vector Network Analyzer Extenders
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mmWave and Terahertz Products
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Hot Electron Bolometer (HEB) Mixers/ Receivers In Terahertz Range
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Insight Product Company offers Hot Electron Bolometer (HEB) mixers, receivers, and chips made from NbN or NbTiN thin film. The HEB mixers can operate at frequencies of up to several terahertz.
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Terahertz Generators and Detectors
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Terahertz generators and detectors are produced and optically prepared at the facilities of Rainbow Photonics in Switzerland.
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Ultra-Low Frequency Raman Spectrometer Down to 10 cm-1
Modular TeraHertz Raman Spectrometer
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HORIBA’s modular terahertz modular Raman spectrometer extends the spectral range of a measurement to < 10 cm-1. Consisting of an Ondax SureBlock™ module fiber coupled to HORIBA’s iHR320 imaging spectrometer, this custom system provides an affordable option for macro-Raman measurements close to the laser line. Below are Stokes and anti-Stokes spectra of elemental sulfur recorded with this system.
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Terahertz Spectroscopy Solutions
STRIPP Control IM
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Teratonics offers innovative solutions for contactless non-destructive testing and imaging inside dielectric materials and on coated metallic surfaces. Based on the patented technology and our profound know how on its application, we offer: ► Instruments for product and process control as well as for inspection with automated evaluation ► Laboratory services for industrial R&D, fatigue tests, maintenance, end of life studies
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Near-Field Detection Module for Imaging
Reflection
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Reflective AFM-tip illuminationDetection optimized for high-performance near-field imagingEnables optical amplitude and phase resolved near field measurementsNear-field spectroscopy possible via sequential imaging (Requires tunable illumination unit)Patented background-free detection technologySuited for visible & infrared wavelength range (0.5 20 m)Version for infrared & THz wavelength range (5 300 m) availableSupported AFM scan-speed: up to 20 m/s @ highest spatial resolution
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Molecular Spectroscopy
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A comprehensive range of molecular spectroscopy instruments for applications in the Far-UV to the Terahertz region.
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Terahertz Spectrometers
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Due to its non-invasive and non-ionizing properties, terahertz (THz) radiation is unparalleled in its sensing capabilities. Based on state-of-the-art research results, HÜBNER Photonics division developed innovative and highly compact plug & play systems – allowing contact-free detection, characterization and analysis as well as hyperspectral imaging of materials by THz spectroscopy within a few seconds.
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TeraSys12®
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The TeraSys12® is the ultimate solution for real time, THz imaging and spectroscopy. It is a compact terahertz instrument addressing: sensing, detection, analysis and processing methods at terahertz (THz) frequencies in real time. It is based on organic crystals to allow access to terahertz frequencies up to 12 THz not available with conventional antennas.
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Vector Network Analyzer Extenders
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Our Vector Network Analyzer Extenders (VNA Extenders) allow high performance frequency extension of vector network analyzers into the THz range. The available models cover a Frequency Range from 50 GHz up to 1.1 THz. Contact RPG to discuss VNA Extender configurations that will gain the best performance for your application.
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NeaSNOM Microscope
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Based on high-stability scanning-sample Atomic Force Microscope optimized for optical nanoscopyOptical focusing unit accepts visible, infrared and even terahertz illuminationTwo independent module bays allow imaging & spectroscopy at the same time
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Spectrum Analyzer Extenders
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RPG's Spectrum Ananlyzer Extenders allow high performance broad-band down-conversion and frequency extension of microwave spectrum analyzers into the THz range.
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Vector Network Analyzer Extenders
VNAX
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VDI''s VNA Extenders deliver high performance network analyzer frequency extension into the THz range. Models cover 50 GHz to 1,100GHz with additional bands in development. VDI modules come in a variety of form factors and configurations including our original Standard-size Modules and new Mini Modules that reduce volume up to 75%. In addition to our full Transceiver (TxRx) modules, VDI also offers Transmit-Reference (TxRef) modules and Receive only (Rx) modules that deliver optimized performance for specific applications. These modules combine high test port power and exceptional dynamic range to deliver industry leading performance. They are compatible with most network analyzers and can be integrated into probe stations and antenna chambers.
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THz Diodes
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Macom Technology Solutions Holdings Inc.
The intrinsic cutoff frequencies of these Schottky junction devices exceed 1 THz, making them well-suited for use in mixers and detectors operating in the frequency bands from 60 GHz into the hundreds of GHz bands.
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Mesh Filters From 0.9 To 15 THz
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Insight Product Company offers Mesh Filters from 0.9 to 15 THz
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VDI Erickson PM5B MM–Wave Power Meter with W-Band Sensor, Optional Tapers to 1.5 THz
N1913PM5B
Power Meter
N1913PM5B is a Virginia Diodes, Inc./Erickson PM5B calorimetric mm-wave power meter, with a W-Band sensor for power measurement over a frequency range of 75-110 GHz.
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Camera Based Beam Propagation Analyzer: M2
BeamSquared
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The BeamSquared® system is a compact and fully automated tool for measuring the propagation characteristics of CW and pulsed laser systems from the UV to NIR to Telecom wavelengths. Users can also measure wavelengths above 1.8 microns, including CO2 and terahertz in manual mode (a bench set-up; without the automated optical train) with a Pyrocam IV or IIIHR. Our longer optical train and patented Ultracal™ Calibration makes BeamSquared the most accurate product on the market and is ISO 11146 compliant. Its operational robustness and reliability ensures continuous use applications in industry, science, research and development.
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Scanning Probe Microscopes
SpectraView 2500
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* Ultra-low noise SPM* Colocalized nanochemical analysis by IR, THz, Raman, AFM* Cantilever probes are completely transparent* Versatile configurations: Kelvin Probe chemical potential, electrical, thermal and photon force
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10 Micron Wire Grid Polarizer
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Fabricated from 10 micron diameter tungsten wire, and with a choice of wire spacing starting from 25 microns, these wire grid polarizers are suitable for use from approximately 100 microns (or 3 THz) to longer wavelengths. Please refer to the table below for the standard availability of wire spacing and frame clear aperture / outer diameter.
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Calometric Power Meter
M1-25M/XXE
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The M1-25M/XXE series instruments are high precision broadband Calorimetric Sensors operating in millimeter and sub-millimeter wave range on a principle of substitution of microwave power by direct current power, using an autocompensating transistor transducer. Calorimetric Sensor is supplied with Calorimetric Power Meter M1-25M (measurement and indicator block), which provides PC connection via USB interface.Calorimetric Power Meter with Calorimetric Sensor provides accurate absolute power measurements in single mode and multimode waveguides (Metal Dielectric Waveguide) which could be a priority for terahertz physics and technology.
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Optical Delay Generator
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The FR-203 provides periodic linear optical delay (~200ps) for ultrashort laser pulses. It is useful for applications such as time resolved spectroscopy and time domain terahertz spectroscopy. A well defined optical delay is generated with interferometric precision.
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Automation Solutions
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We have customized (partially) automated measuring solutions that can be fully integrated seamlessly across all levels of your plant – from cleanroom-compatible measuring systems for automated production to robot-assisted probes in thickness measurement. Whether X-ray, terahertz or electromagnetic, random sampling or 100 % inspection: We offer measurement technology that allows you to inspect surfaces quickly and under constant conditions, save time and costs and ensure the quality of your production.
