Terahertz backward wave oscillator
WebTerahertz Backward-Wave Oscillator with Photonic Crystal Waveguide Circuit Award Information Agency: Department of Defense Branch: Air Force Contract: FA9550-05-C-0165 Agency Tracking Number: F054-020-0397 Amount: $99,998.00 Phase: Phase I Program: STTR Solicitation Topic Code: AF05-T020 Solicitation Number: N/A Timeline Solicitation … WebPowerful terahertz sources. TeraSense has mastered technology to manufacture powerful electro-vacuum terahertz sources. The technology resides on a backward wave oscillator effect. An electron gun emits an electron beam that is longitudinally focused by an external magnetic field. The magnetic field is created by a permanent NdFeB magnet.
Terahertz backward wave oscillator
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WebAbstract: The concept of achieving powerful terahertz radiation by the interaction between … WebForward and Backward Detectable Gray-Scale Data Storage System in Polymeric Material ... Domain-Reversed Lithium Niobate Single-Crystal Fibers are Potentially for Efficient Terahertz Wave Generation ... Semiconductor-Superlattice Parametric Oscillator as a Subterahertz and Possible Terahertz Radiation Source
WebThe 110 - 170 GHz band was chosen as a first step to test the concept. With a transmitter, based on a PLL-locked Backward Wave Oscillator, and a receiver based on sub-harmonic mixing in combination with multiplexing of the LO, a system was created with unsurpassed performance in terms of band coverage and dynamic range. Voir moins Terahertz radiation falls in between infrared radiation and microwave radiation in the electromagnetic spectrum, and it shares some properties with each of these. Terahertz radiation travels in a line of sight and is non-ionizing. Like microwaves, terahertz radiation can penetrate a wide variety of non-conducting … See more Terahertz radiation – also known as submillimeter radiation, terahertz waves, tremendously high frequency (THF), T-rays, T-waves, T-light, T-lux or THz – consists of electromagnetic waves within the See more Natural Terahertz radiation is emitted as part of the black-body radiation from anything with a temperature greater than about 2 kelvins. While this thermal … See more Medical imaging Unlike X-rays, terahertz radiation is not ionizing radiation and its low photon energies in general do not damage living tissues See more • Far-infrared laser • Full body scanner • Heterojunction bipolar transistor • High-electron-mobility transistor (HEMT) See more In engineering, the terahertz gap is a frequency band in the THz region for which practical technologies for generating and detecting the radiation do not exist. It is defined as 0.1 to 10 … See more The terahertz region is between the radio frequency region and the laser optical region. Both the IEEE C95.1–2005 RF safety standard and the ANSI Z136.1–2007 Laser safety standard have limits into the terahertz region, but both safety limits are … See more • Miles, Robert E; Harrison, Paul; Lippens, D., eds. (June 2000). Terahertz Sources and Systems. NATO Advanced Research Workshop. NATO Science Series II. Vol. 27. Château de … See more
Web30 May 2024 · He, “Experimental demonstration of a terahertz extended interaction oscillator driven by a pseudospark-sourced sheet electron beam, ... H. Bambarandage, and Z. F. Qian, “Terahertz backward wave radiation from the interaction of high-order mode and double sheet electron beams, ... WebBackward wave oscillator. A backward wave oscillator (BWO), also called carcinotron (a trade name for tubes manufactured by CSF, now Thales) or backward wave tube, is a vacuum tube that is used to generate microwaves up to the terahertz range. It belongs to the traveling-wave tube family. It is an oscillator with a wide electronic tuning range. An …
WebIt can be used as 2 microwave amplifier. The Traveling Wave Tube is a high-gain, low- ‘Noise, wide-bandwidth microwave amplifier. * Complete bunching results due to continuous interaction between axial RF field and beam ultimately giving high gain. uses non-resonant microwave circuit and is capable of enormous bandwidths.
Web24 Aug 2012 · Terahertz-Wave Imaging System Based on Backward Wave Oscillator … hornby x9372WebEach source includes a sub-mm wave BWO (Backeward Wave Oscillator) tube and a … hornby x9375WebA backward wave oscillator (BWO), also called carcinotron or backward wave tube, is a … hornby x9562Web15 Mar 2016 · A novel backward wave oscillator (BWO) is presented by utilizing a slotted sine waveguide with a pencil electron beam to produce the high power terahertz wave. The high frequency characteristics including dispersion properties, interaction impedances, and transmission characteristics of the slotted sine waveguide are analyzed in detail. hornby x9659WebThe Doppler backward scattering (DBS) reflectometer has become a well-established and versatile diagnostic technique for the measurement of density fluctuations and flows in magnetically confined fusion experiments. In this work, a novel multiple fixed-frequency array source with a multiplexer technique is developed and applied in the multi-channel … hornby x9570Web1 Jun 2013 · The backward wave oscillator (“BWO”) • The far infrared laser (“fir laser”) • Quantum cascade laser • Pharmaceutical industry: tablet integrity and performance. Coating has a wide variety of functions. The most important function of coating is to regulate the controlled release of active ingredients in the body. hornby x9551WebBackward Wave Oscillator, Electron beam, Electron Gun, THz wave 1. Introduction Compact electron tubes at terahertz (THz) frequencies offer enormous applications for medical diagnostic, broad-band communication and spectroscopy. Backward-wave oscillator (BWO) is a typical candidate of compact terahertz sources[1]. hornby x9573