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Book
Design, Technologies and Applications of High Power Vacuum Electronic Devices from Microwave to THz Band
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Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The last decade has contributed to the rapid progress in developing high-power microwave sources. This Special Issue aims to bring together information about the most striking theoretical and experimental results, new trends in development, remarkable modern applications, new demands in parameter enhancement, and future goals. Although only a tiny part of the achievements of recent years is included in this Issue, we hope that the presented articles will be useful for experts and students focusing on modern vacuum electronics.

Keywords

Technology: general issues --- Energy industries & utilities --- velocity ratio --- velocity spread --- low-voltage --- gyrotrons --- MIG --- particle simulation --- space charge effects --- pillbox window --- wide-band --- W-band --- low loss --- mode converter --- 220 GHz --- taper --- terahertz --- traveling-wave tube --- folded waveguide (FWG) --- slow wave system --- high harmonic traveling wave tube --- gyrotron --- quasi-optical cavity --- confocal waveguide --- frequency tuning --- high power --- sub-millimeter wave --- PFN-Marx --- compact --- modular --- trigger source --- gas switch --- mica capacitor --- millimeter waves --- wireless power transmitting --- quasi-optical antenna --- gaussian beam --- Gyrotron --- sub-terahertz --- high-power microwave source --- HPM source --- virtual cathode oscillator --- vircator --- ring reflector --- high-power electromagnetic waves (HPEM) --- semiconductor --- failure threshold time --- microwave hardness --- electromagnetic pulse (EMP) shielding --- broadband --- gyro-TWT --- high-resolution imaging radar --- TE02 mode --- dielectric properties --- low-reflection barrier windows --- broadband window --- microwaves --- terahertz radiation --- velocity ratio --- velocity spread --- low-voltage --- gyrotrons --- MIG --- particle simulation --- space charge effects --- pillbox window --- wide-band --- W-band --- low loss --- mode converter --- 220 GHz --- taper --- terahertz --- traveling-wave tube --- folded waveguide (FWG) --- slow wave system --- high harmonic traveling wave tube --- gyrotron --- quasi-optical cavity --- confocal waveguide --- frequency tuning --- high power --- sub-millimeter wave --- PFN-Marx --- compact --- modular --- trigger source --- gas switch --- mica capacitor --- millimeter waves --- wireless power transmitting --- quasi-optical antenna --- gaussian beam --- Gyrotron --- sub-terahertz --- high-power microwave source --- HPM source --- virtual cathode oscillator --- vircator --- ring reflector --- high-power electromagnetic waves (HPEM) --- semiconductor --- failure threshold time --- microwave hardness --- electromagnetic pulse (EMP) shielding --- broadband --- gyro-TWT --- high-resolution imaging radar --- TE02 mode --- dielectric properties --- low-reflection barrier windows --- broadband window --- microwaves --- terahertz radiation


Book
Design, Technologies and Applications of High Power Vacuum Electronic Devices from Microwave to THz Band
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Bookmark

Abstract

The last decade has contributed to the rapid progress in developing high-power microwave sources. This Special Issue aims to bring together information about the most striking theoretical and experimental results, new trends in development, remarkable modern applications, new demands in parameter enhancement, and future goals. Although only a tiny part of the achievements of recent years is included in this Issue, we hope that the presented articles will be useful for experts and students focusing on modern vacuum electronics.


Book
Terahertz Technology and Its Applications
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The Terahertz frequency range (0.1 – 10)THz has demonstrated to provide many opportunities in prominent research fields such as high-speed communications, biomedicine, sensing, and imaging. This spectral range, lying between electronics and photonics, has been historically known as “terahertz gap” because of the lack of experimental as well as fabrication technologies. However, many efforts are now being carried out worldwide in order improve technology working at this frequency range. This book represents a mechanism to highlight some of the work being done within this range of the electromagnetic spectrum. The topics covered include non-destructive testing, teraherz imaging and sensing, among others.


Book
Design, Technologies and Applications of High Power Vacuum Electronic Devices from Microwave to THz Band
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Bookmark

Abstract

The last decade has contributed to the rapid progress in developing high-power microwave sources. This Special Issue aims to bring together information about the most striking theoretical and experimental results, new trends in development, remarkable modern applications, new demands in parameter enhancement, and future goals. Although only a tiny part of the achievements of recent years is included in this Issue, we hope that the presented articles will be useful for experts and students focusing on modern vacuum electronics.


Book
Terahertz Technology and Its Applications
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

The Terahertz frequency range (0.1 – 10)THz has demonstrated to provide many opportunities in prominent research fields such as high-speed communications, biomedicine, sensing, and imaging. This spectral range, lying between electronics and photonics, has been historically known as “terahertz gap” because of the lack of experimental as well as fabrication technologies. However, many efforts are now being carried out worldwide in order improve technology working at this frequency range. This book represents a mechanism to highlight some of the work being done within this range of the electromagnetic spectrum. The topics covered include non-destructive testing, teraherz imaging and sensing, among others.

Keywords

Research & information: general --- W band --- Schottky Diode Detectors --- ZBD modeling --- wire bonding --- flip-chip --- Terahertz radar --- radar cross-section --- signal-to-noise ratio --- adaptive range gates --- cascaded doubler --- quadrupler --- Schottky varactor --- hybrid integrated circuit --- terahertz spectroscopy --- optical delay line --- correction --- optical encoder --- terahertz spectra --- terahertz metrology --- bias --- sub-harmonic mixer --- anti-series --- Schottky diode --- conversion loss --- terahertz wave generation --- InGaAs --- molecular beam epitaxy --- time-domain spectroscopy --- photoconductive antenna --- open stone relics --- hollowing --- weathered --- preservation of cultural heritage --- THz-TDS --- rubber --- vulcanization --- silica dispersion --- terahertz imaging --- light field imaging --- synthetic aperture imaging --- image distortion --- resolving power --- THz detector --- rectangular inset-feed patch antenna --- catadioptric horn-like lens --- CMOS process --- resonances --- periodic waveguides --- reflection phases --- topological properties --- oscillator --- THz --- high output power --- CMOS --- terahertz waves --- honeycomb sandwiches --- foreign materials --- time-of-flight --- electric field --- W band --- Schottky Diode Detectors --- ZBD modeling --- wire bonding --- flip-chip --- Terahertz radar --- radar cross-section --- signal-to-noise ratio --- adaptive range gates --- cascaded doubler --- quadrupler --- Schottky varactor --- hybrid integrated circuit --- terahertz spectroscopy --- optical delay line --- correction --- optical encoder --- terahertz spectra --- terahertz metrology --- bias --- sub-harmonic mixer --- anti-series --- Schottky diode --- conversion loss --- terahertz wave generation --- InGaAs --- molecular beam epitaxy --- time-domain spectroscopy --- photoconductive antenna --- open stone relics --- hollowing --- weathered --- preservation of cultural heritage --- THz-TDS --- rubber --- vulcanization --- silica dispersion --- terahertz imaging --- light field imaging --- synthetic aperture imaging --- image distortion --- resolving power --- THz detector --- rectangular inset-feed patch antenna --- catadioptric horn-like lens --- CMOS process --- resonances --- periodic waveguides --- reflection phases --- topological properties --- oscillator --- THz --- high output power --- CMOS --- terahertz waves --- honeycomb sandwiches --- foreign materials --- time-of-flight --- electric field


Book
Wide Bandgap Semiconductor Based Micro/Nano Devices
Author:
ISBN: 3038978434 3038978426 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

While group IV or III-V based device technologies have reached their technical limitations (e.g., limited detection wavelength range or low power handling capability), wide bandgap (WBG) semiconductors which have band-gaps greater than 3 eV have gained significant attention in recent years as a key semiconductor material in high-performance optoelectronic and electronic devices. These WBG semiconductors have two definitive advantages for optoelectronic and electronic applications due to their large bandgap energy. WBG energy is suitable to absorb or emit ultraviolet (UV) light in optoelectronic devices. It also provides a higher electric breakdown field, which allows electronic devices to possess higher breakdown voltages. This Special Issue seeks research papers, short communications, and review articles that focus on novel synthesis, processing, designs, fabrication, and modeling of various WBG semiconductor power electronics and optoelectronic devices.

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