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Solid State Lasers Materials, Technologies and Applications

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ISBN: 9783038428411 9783038428428 Year: Pages: VI, 170 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Optics and Lights
Added to DOAB on : 2018-04-24 12:46:59
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Solid-state lasers offer unique qualities in terms of flexibility, robustness, efficiency, and wavelength diversity. For these reasons, they are nowadays irreplaceable tools in many scientific and industrial applications. The engineering of new materials, the advances in photonics technologies, and the increasing demand for speed, cleanliness, and high-precision in industrial processes contribute to propel the research in this exciting and quickly developing field. Despite the impossibility to cover all the aspects of this very diversified topic in a single publication, this Special Issue "Solid State Lasers Materials, Technologies and Applications" offers an interesting insight into some of the latest developments in this field. Comprehensive review papers describe the state of the art of highly doped fiber lasers and amplifiers, deep-ultraviolet generation, and laser welding under vacuum with high-power lasers. Research articles present the latest results on picosecond pulse amplification, mid-infrared laser sources, parametric down-conversion modules, and coherent beam combining. Heavy-industry applications, such as laser welding and laser cladding, are also addressed.

Metal Halide Perovskite Crystals: Growth Techniques, Properties and Emerging Applications

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ISBN: 9783038975588 / 9783038975595 Year: Pages: 216 DOI: 10.3390/books978-3-03897-559-5 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemistry (General) --- General and Civil Engineering --- Materials
Added to DOAB on : 2019-01-31 10:47:32
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In recent years, metal halide perovskites have emerged as a rising star among semiconductor materials owing to their low cost, solution processability, and fascinating combination of material properties enabling a broad range of energy applications. Accompanied by the unprecedented success in the photovoltaic community, which has witnessed a certified power conversion efficiency of 23.7%, rapid advancement has also been achieved in the areas of light-emitting diodes, lasers, photodetectors, and solar-to-fuel energy conversion devices. Beyond the dominant format of polycrystalline perovskite thin films for solar cell applications, recent progress in metal halide perovskite crystals, ranging from nanocrystals to macroscopic single-crystals, has spurred a great deal of both scientific and industrial interest. Great research efforts have endeavored to develop new techniques for crystal growth and investigate the physical and chemical properties of the materials and explore their emerging applications. These exciting achievements call for a rationalization of the different forms of perovskite semiconductors beyond the widely used polycrystalline thin films. In the current Special Issue, “Metal Halide Perovskite Crystals: Growth Techniques, Properties and Emerging Applications”, we aim to provide a forum for the discussion and presentation of recent advances in the fields of research related to metal halide perovskite crystals.

X-Ray Free-Electron Laser

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ISBN: 9783038428794 9783038428800 Year: Pages: XII, 454 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Physics (General)
Added to DOAB on : 2018-07-04 14:02:12
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X-ray free electron lasers (XFELs) deliver intense, coherent, femtosecond laser pulses in the X-ray range. The XFELs are opening two new research fields. One is to study ultrafast electronic and structural dynamics in various forms of matter. XFELs can make atoms and electrons in action visible. Another field is to study the non-linear interaction of the unprecedented intense X-ray pulse with matter. XFELs transform matter into its new form in extreme conditions that have never been reached. The present special issue provides an overview of the current status and future direction of the development of XFELs and the research fields opened by XFELs. Featured are reports on the status and plans of all FEL facilities in the world, i.e., FLASH in Germany, LCLS in USA, SACLA in Japan, FERMI in Italy, European XFEL, SwissFEL, PAL-XFEL in Korea, and Shanghai SXFEL in China. Reports are also included on instrumentations and on science at these facilities, as well as on the relevant theory.

Hollow core optical fibers

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ISBN: 9783039210886 / 9783039210893 Year: Pages: 182 DOI: 10.3390/books978-3-03921-089-3 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-08-28 11:21:27
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The possibility of guiding light in air has fascinated optical scientists and engineers since the dawn of optical fiber technology. In the last few years, hollow core optical fibers have been attracting the attention of an expanding worldwide research community, furthering the design, fabrication and device implementation of specialty optical fibers. Hollow core optical fibers are entering almost any specific application field of optics from medicine to security; from telecommunication to industrial processing; from instrumentation to biology. In parallel to the increased number of applications, major advances are still being made on the optimization of hollow core fiber designs and on the study of its underlying guiding properties, as well as in the use of different materials and fabrication techniques, which, in turn, are providing even more ways of exploitation of this technology and new technical challenges. This Special Issue of Fibers rides the wave of this increasing interest in the field of hollow core optical fibers by providing an overview of the recent progress in this field as well as an updated and indicative sample of current research activities worldwide.

Two-Dimensional Electronics and Optoelectronics

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ISBN: 9783038424925 9783038424932 Year: Pages: VIII, 143 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Physics (General)
Added to DOAB on : 2017-10-04 11:05:28
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The discovery of monolayer graphene led to a Nobel Prize in Physics being awarded in 2010. This has stimulated further research on a wide variety of two-dimensional (2D) layered materials. The coupling of metallic graphene, semiconducting 2D transition metal dichalcogenides (TMDCs) and black phosphorus have attracted a tremendous amount of interest in new electronic and optoelectronic applications. Together with other 2D materials, such as the wide band gap boron nitride nanosheets (BNNSs), all these 2D materials have led towards an emerging field of van der Waal 2D heterostructures. The papers in this book were originally published by Electronics (MDPI) in a Special Issue on “Two-Dimensional Electronics and Optoelectronics”. The book consists of eight papers, including two review articles, covering various pertinent and fascinating issues concerning 2D materials and devices. Further, the potential and the challenges of 2D materials are discussed, which provide up to date guidance for future research and development.

High Precision X-Ray Measurements

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ISBN: 9783039213177 / 9783039213184 Year: Pages: 144 DOI: 10.3390/books978-3-03921-318-4 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General)
Added to DOAB on : 2019-12-09 16:10:12
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Since their discovery in 1895, the detection of X-rays has had a strong impact on and various applications in several fields of science and human life. Impressive efforts have been made to develop new types of detectors and new techniques, aiming to obtain higher precision both in terms of energy and position. Depending on the applications, solid state detectors, microcalorimeters, and various types of spectrometers currently serve as the best options for spectroscopic and imaging detectors. Recent advancements in micron and meV precision have opened the door for groundbreaking applications in fundamental physics, medical science, astrophysics, cultural heritage, and several other fields. The aim of this Special Issue is to compile an overview, from different communities and research fields, of the most recent developments in X-ray detection and their possible impacts in various sectors, such as in exotic atom measurements, quantum physics studies, XRF, XES, EXAFS, plasma emission spectroscopy, monochromators, synchrotron radiation, telescopes, and space engineering. All the papers included in this Special Issue contribute to emphasizing the importance of X-ray detection in a very broad range of physics topics; most of these topics are covered by the published works, and several others are mentioned in the paper references, providing an interesting and very useful synopsis, from a variety of different communities and research fields, of the most recent developments in X-ray detection and their impact in fundamental research and societal applications.

SPIG2018

Authors: --- --- ---
ISBN: 9783038978503 9783038978510 Year: Pages: 288 DOI: 10.3390/books978-3-03897-851-0 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General) --- Nuclear Physics
Added to DOAB on : 2019-04-25 16:37:17
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This Special Issue covers a wide range of topics from fundamental studies to applications of ionized gases. It is dedicated to four topics of interest: 1. ATOMIC COLLISION PROCESSES (electron and photon interactions with atomic particles, heavy particle collisions, swarms, and transport phenomena); 2. PARTICLE AND LASER BEAM INTERACTION WITH SOLIDS (atomic collisions in solids, sputtering and deposition, and laser and plasma interactions with surfaces); 3. LOW TEMPERATURE PLASMAS (plasma spectroscopy and other diagnostic methods, gas discharges, and plasma applications and devices); 4. GENERAL PLASMAS (fusion plasmas, astrophysical plasmas, and collective phenomena). This Special Issue of Atoms will highlight the need for continued research on ionized gas physics in different topics ranging from fundamental studies to applications, and will review current investigations.

Keywords

strong-field physics --- attoscience --- bicircular field --- high-order harmonic generation --- above-threshold ionization --- spin-polarized electrons --- capacitively-coupled discharge --- oxygen --- particle-in-cell/Monte Carlo collision --- electron heating --- secondary electron emission --- Large Helical Device (LHD) --- deuterium experiment --- ion temperature of 10 keV --- plasma research --- spectroscopic study --- dispersion interferometer --- modified theories of gravity --- methods: analytical --- methods: numerical --- galaxies: elliptical --- galaxies: fundamental parameters --- non-equilibrium --- collisions --- radiation --- planetary atmospheric entry --- laser matter interaction --- laser-induced breakdown --- plasma --- spectroscopy --- streak camera --- plasma --- spectral lines --- Stark broadening --- oxygen --- silicon --- spectroscopy --- gas discharges --- plasma applications --- databases --- virtual observatory --- cross sections --- rate coefficients --- runway electron --- plasma current --- fusion plasma --- tokamak --- glow discharge --- argon --- nitrogen admixture --- discharge voltage --- diffuse discharge --- constricted discharge --- electrical theory of DBDs --- QV-plot --- instantaneous power --- rainbow scattering --- positron channeling effect --- time-dependent Schrödinger equation --- chiral single wall carbon nanotubes --- black hole physics --- cosmology --- quasar spectroscopy --- cosmological parameters --- ionized gas --- broad line region --- Rydberg atoms --- dynamic instability --- control of atomic states --- Förster resonance --- plasma spectroscopy --- Stark broadening --- plasma diagnostics --- line shape modeling --- Zeeman-Doppler broadening --- Balmer line series --- radiative recombination --- photoacoustic --- photothermal --- inverse problem --- thermal memory --- minimum volume cell --- neural networks --- thermal diffusivity --- conductivity --- linear coefficient of thermal extension --- AGN --- black holes --- gravitational waves --- binary black holes --- quasars --- photodetachment --- magnetically confined fusion --- neutral beam injection --- plasma heating --- optical cavity amplification --- low-energy electrons --- electron–molecule interactions --- astrochemistry --- laboratory plasma --- astrophysical plasma --- fusion plasma --- lasers --- stars --- extragalactic objects --- spectra --- spectroscopy --- scaling laws

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