Terahertz
300 GHz to 3 THz Also known as: THz
See Also: Frequency, Gigahertz, Microwave, THz, Spectroscopy
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Sensitive Terahertz Detectors: Cooled Terahertz Detectors Based On Hot Electron Bolometer (HEB) And Room Temperature Terahertz Detectors Based On Golay Cell.
Insight Product Company offers Cooled and Room Temperature Terahertz (THz) Detectors
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Terahertz Systems
Optoelectronic Terahertz-Generation. TOPTICA provides complete systems and components for both time-domain and frequency-domain terahertz generation. For time-domain applications, the TeraFlash sets new standards in terms of dynamic range, bandwidth and measurement speed. Combining TOPTICA's FemtoFiber smart laser technology with state-of-the-art InGaAs antennas, the system achieves a peak dynamic range of more than 90 dB and a bandwidth greater than 5 THz.
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Femtosecond Terahertz Spectrometer
Pacifica
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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Hot Electron Bolometer (HEB) Mixers/ Receivers In Terahertz Range
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 Measurement
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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TERAHERTZ ROOM TEMPERATURE DETECTORS FROM 37.5 GHZ To 996 THz
Insight Product Company offers Golay cells that detect electro-magnetic waves at terahertz frequency ranges from 0.0375 to 996 THz.
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Terahertz Antennas And Components
The Terahertz antennas and components complete the product portfolio for THz. We offer photoconductive antennas made for excitation wavelengths of 1500 nm. On the component side we offer optimized mechanical holders as well as THz lenses.
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Ultra-Low Frequency Raman Spectrometer Down to 10 cm-1
Modular TeraHertz Raman Spectrometer
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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Network Analyzers
Attain unrivaled excellence with PNA-X/PNA/PNA-L (up to 1.1 THz)Drive down the cost of test with ENA (up to 20 GHz)Carry precision with FieldFox handheld analyzers (up to 50 GHz)Drive down the size of test by up to 66% with PXI VNAs (up to 26.5 GHz, 32-ports)
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Vector Network Analyzer Extenders
VNAX
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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Terahertz Imagers
T-SENSE
The Terahertz imager T-SENSE ® visualizes enclosed hazardous substances precisely in letters as well as small parcels safely and effectively.The process is safe, fast and without risk to the health of the user. Unlike conventional visualizing processes such as x-ray technology, the T-SENSE ® functions on the lower Terahertz frequency level with safe millimeter waves that enable non-transparent materials to be illuminated.
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5 Micron Wire Grid Polarizer
These wire grid polarizers are fabricated from 5 micron diameter tungsten wire, and have a choice of wire spacing down to 12.5 microns. They are suitable for use from approximately 50 microns (or 6 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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Detectors
Our sensors are pyroelectric-based and can thus be used very easily, and at room temperature. You can choose either a standalone head with on-board electronics or go with our T-Rad meter and a separate sensor. We also have small discrete terahertz detectors in TO5/TO8 packages.
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Vector Network Analyzer Extenders
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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THz Diodes
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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PSG Analog Signal Generator, 100 kHz to 67 GHz
E8257D
Address your toughest requirements with metrology-grade frequency & level accuracy with excellent distortion & spurious characteristicsTest high-power devices & overcome test system losses with 1 W output powerAddress the demanding needs of Doppler radar, ADC & receiver-blocking tests with the PSG's extremely low phase noiseCharacterize devices & circuits by adding AM, FM, PM & pulse modulation to your signalMeet test system needs up to 1.1 THz with frequency extender modules
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Millimeter Wave Antenna Testing
If you are involved in antenna or system level design using mmWave or THz frequencies, then you understand the importance of dependable testing equipment. It may be that you are designing passive phase array or that you are designing a mmWave radar sensor system, but when it comes to validation of your design, simulation can only bring you so far. Phased array antennas have to be measured over the air (OTA) to ensure the radiation pattern of your design efficiently conducts energy in the right direction which is where the MilliBox comes in.
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Calometric Power Meter
M1-25M/XXE
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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Detectors
Thorlabs' photodetectors are capable of detecting light throughout the UV, VIS, NIR, IR, and THz spectral regions. Our photodetectors feature sensors that enable properties such as intensity, power, intensity distribution, wavefront shape, energy, and wavelength to be measured. We offer unmounted photodiodes as well as amplified, biased, and avalanche photodetectors. Thermal power detectors are available unmounted, mounted on a PCB, or mounted on an aluminum plate. Also available are position-detecting sensors, integrating spheres, and an acoustic detection module.
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Mesh Filters From 0.9 To 15 THz
Insight Product Company offers Mesh Filters from 0.9 to 15 THz
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Spectrum Analyzer Extenders
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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Compact Receiver Module
MixAMC-I
Virginia Diodes'' standard Spectrum Analyzer Extension Modules (SAXs) provide high performance broadband down-conversion and frequency extension of microwave specturm analyzers into the THz range. VDI now offers integrated MixAMC modules that provide industry leading performance in a compact package. These integrated MixAMC modules are used to down-convert millimeter-wave / THz signals only. Spectrum Analyzer Extension mode is not currently available for the MixAMC-I products. Integrated MixAMC modules utilize a low frequency LO input (<20 GHz) and have a seprate IF output port. Integrated MixAMC modules configured for high IF bandwidth may be available upon request.
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Terahertz Gauging And Imaging
TeraMetrix
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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VDI Erickson PM5B MM–Wave Power Meter with W-Band Sensor, Optional Tapers to 1.5 THz
N1913PM5B
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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Compact Transmitter Module
AMC-I
Virginia Diodes'' Signal Generator Extension Modules (SGXs) provide high performance frequency extension of microwave signal generators into the THz range. VDI now offers integrated Amplifier / Multiplier Chains that provide industry leading performance in a compact package.
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Tunable Narrowband Terahertz Laser Source
TeraTune®
The TeraTune® provides a tunable narrowband terahertz source with a tuning range from 1.5 to 20 THz and a bandwidth of less than 100 GHz.
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Detectors
ZBD
VDI offers zero biased detectors (ZBD) for a variety of mmWave and THz applications. These detectors offer full band performance without bias.
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Free Feature-Limited Version of Sonnet''s Professional Sonnet Suite
Sonnet Lite™
Sonnet Lite™ is a free feature-limited version of Sonnet''s professional Sonnet Suites, which provides EM analysis to thousands of companies across the globe. Many major manufacturers of high-frequency components and boards depend on Sonnet to analyze their predominantly planar high-frequency designs from 1 MHz through several THz.
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Camera Based Beam Propagation Analyzer: M2
BeamSquared
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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TDR System
TS9001
The system accurately analyzes the wiring quality of various leading-edge semiconductor packages such as Flip Chip BGA, wafer level packages, and 2.5D/3D ICs using terahertz technology. It is a TDR analysis system that has the world’s top-class signal quality.
