Selective laser spectroscopy of activated crystals and glasses

Cover of: Selective laser spectroscopy of activated crystals and glasses |

Published by Nova Science Publishers in New York .

Written in English

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Subjects:

  • Laser spectroscopy.,
  • Crystals -- Creep.,
  • Glass -- Effect of radiation on.

Edition Notes

Book details

Statementedited by V.V. Osiko ; translated by Kevin S. Hendzel.
SeriesProceedings of the Institute of General Physics, Academy of Sciences of the USSR -- v. 9., Trudy Instituta obshcheĭ fiziki -- v. 9.
ContributionsOsiko, V. V.
The Physical Object
Paginationix, 208 p. :
Number of Pages208
ID Numbers
Open LibraryOL18000765M
ISBN 100941743926

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Additional Physical Format: Online version: Selective laser spectroscopy of activated crystals and glasses. New York: Nova Science Publishers, Spectroscopy / s p ɛ k ˈ t r ɒ s k ə p i / is the study of the interaction between matter and electromagnetic radiation (via electron spectroscopy, atomic spectroscopy, etc).

Historically, spectroscopy Selective laser spectroscopy of activated crystals and glasses book through the study of visible light dispersed according to its wavelength, by a the concept was expanded greatly to include any interaction with radiative energy as a.

The models for each center were evaluated. A good correlation between the crystal growth conditions, EPR and site-selective time-resolved laser spectroscopy data was established. The results of these studies are being applied for growing the Ce 3+-activated LiCAF crystals with desired luminescence and laser performance.

by: [cfygvhjbkn 1] InBasiev went defended his doctoral dissertation "Selective laser spectroscopy of activated crystals and glasses". He created fluoride laser nano-ceramics and the mono crystal laser, which is a solid-state laser with an energy of more than Joules ( ns), that had a peak power of more than GW ( fs).Alma mater: Moscow Power Engineering Institute.

Laser spectroscopy has been crucial for the measurement of isotope shifts, which reflect the variations of nuclear charge radii and shapes. High sensitivity and frequency resolution have allowed experiments to be carried out systematically over extensive ranges of stable and radioactive isotopes with lifetime as short as a few milliseconds.

SrF2 crystals doped with Pr3+ ions with concentrations corresponding toand wt % of PrF3 are studied by selective laser excitation. The absorption and luminescence spectra of Pr3 ions. In addition, the book discusses the fundamental properties responsible for laser phenomena in activated crystals and a number of spectroscopic methods devised to investigate these processes.

Thus it can also serve as an introduction to the physics of laser crystals and to the stimulated emission spectroscopy of activated crystals. The book also incorporates an overview of the semiclassicaltheory of atomic and molecular ing background at an intermediate level with an in-depth discussion of specifictechniques, Laser Spectroscopy and Its Applications is essential reading for laser and opticalscientists and engineers; analytical chemists; health physicists Cited by: Ultrafast laser spectroscopy is a spectroscopic technique that uses ultrashort pulse lasers for the study of dynamics on extremely short time scales (attoseconds to nanoseconds).Different methods are used to examine the dynamics of charge carriers, atoms, and molecules.

Many different procedures have been developed spanning different time scales and photon energy ranges; some common methods.

Laser spectroscopy. Spectroscopy with laser light or, more generally, studies of the interaction between laser radiation and matter. Lasers have led to a rejuvenescence of classical spectroscopy, because laser light can far surpass the light from other sources in brightness, spectral purity, and directionality, and if required, laser light can be produced in extremely intense and short pulses.

Laser Chemistry: Spectroscopy, Dynamics and Applications is a carefully structured introduction to the basic theory and concepts of this subject. Assuming little in the way of prior knowledge, the book details underlying concepts and provides an overview of experimental techniques, supported by Cited by: selective laser spectroscopy The kinetics of luminescence in the case of excitation a t 7 2 3.

9 5 n m a n d r e g i s t r a t i o n a t w a v e l e n g t h s c o r r e. LASER-INDUCED FLUORESCENCE (LIF) Laser-induced fluorescence (LIF) is a spectroscopic method used for studying structure of molecules, detection of selective species and flow visualization and measurements.

Experimental Method The species to be examined is excited with a. Keeping abreast of the latest techniques and applications, this new edition of the standard reference and graduate text on laser spectroscopy has been completely revised and expanded.

While the genera. KEYWORDS: Glasses, Luminescence, Crystals, Ions, Heat treatments, Laser spectroscopy, Nanocrystals, Neodymium Read Abstract + Transparent oxyfluoride glass-ceramics obtained by the adequate heat treatment of Nd 3+ -doped glass with composition 70SiO 2 –7Al 2 O 3 –16K 2 O–7LaF 3 (mol%) are investigated.

Other articles where Laser spectroscopy is discussed: spectroscopy: Laser spectroscopy: As mentioned above, the invention and subsequent development of the laser opened many new areas of spectroscopy.

Although the basic processes investigated remain those of rotational, vibrational, and electronic spectroscopies, this tool has provided many new ways to investigate such phenomena and has. Laser ablation inductively coupled plasma optical emission spectroscopy (LA-ICP-OES) has a ridiculously complicated name, so let's start with ICP, which is the heart of the analytical "P" in ICP stands for plasma, an ionized gas consisting of positive ions and free nature, plasmas usually form only in stars, where the temperatures are high enough to ionize the gas.

It is hoped that this book may be of help to students and researchers. Although it is meant as an introduction to laser spectroscopy, it may also facilitate the understanding of advanced papers on special subjects in laser spectroscopy.

Since laser spectroscopy is a very fascinating field ofFile Size: 1MB. Molecular and Laser Spectroscopy: Advances and Applications provides students and researchers with an up-to-date understanding of the fast-developing area of molecular and laser spectroscopy.

Editor V.P. Gupta has brought together the eminent scientists on a selection of topics to develop a systematic approach, first covering basic principles needed to understand each cutting. Simon Lobsiger, Susan Blaser, Rajeev K.

Sinha, Hans-Martin Frey and Samuel Leutwyler Structures, vibrations and energetics of van der Waals and hydrogen-bonded complexes and clusters. UV and IR laser spectroscopy using linear and nonlinear methods, Molecular-beam spectroscopy of nucleic acid base pair analogues.

Laser-induced breakdown spectroscopy (LIBS) is a type of atomic emission spectroscopy which uses a highly energetic laser pulse as the excitation source. The laser is focused to form a plasma, which atomizes and excites samples.

The formation of the plasma only begins when the focused laser achieves a certain threshold for optical breakdown, which generally depends on the environment and the. Laser Spectroscopy. Laser spectroscopy is a spectroscopic technique thar uses laser light, or studies the interaction between laser radiation and matter.

Online available information resources on laser spectroscopy. Further information categories about related topics are listed in the navigation menu on the left side of these page. Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.

Selective laser sintering (SLS) is an additive manufacturing technique that uses a high power laser (for example, a carbon dioxide laser) to fuse small particles of plastic, metal (Direct Metal Laser Sintering), ceramic, or glass powders into a mass representing a.

This work describes experimental techniques using laser spectroscopy and presents specific practical applications for this technology in many fields, including physics, engineering, chemistry, medicine and bioscience. The general spectroscopic features of molecules are delineated; transition metal a.

Usually, the measured effect in spectroscopy is the reduction in optical power due to the absorption. However, there are also other possibilities. For example, in photoacoustic spectroscopy one exploits the generation of sound by absorption of light from a power-modulated source.

The absorbed light leads to some heating, which causes expansion of the gas and thus generates a sound wave, which.

Medical Applications of Laser Spectroscopy 9 1 1- - DISPLAY 3r ENERGY EbV) OpnCAL ANALYER MULIKHA"EL - SPECTROMETER WAVELENGTH 1 (nm) Fig. Absorption properties of substances of medical interest.(From Ref. [2].) A further class of medical analysis techniques utilizing laser-induced fluorescence includes immunoassay and DNA sequencing using fluorescent tags.

The emitted laser beam is visible as faint yellow lines. The orange dye solution enters the laser from the left, and is pumped by a nm (blue-green) beam from an argon laser. The dye jet is in the center of the image, behind the yellow window. A dye laser is a laser which uses an organic dye as the lasing medium, usually as a liquid solution.5/5(1).

Laser Spectroscopy for Sensing examines these advances and how laser spectroscopy can be used in a diverse range of industrial, medical, and environmental applications. Part one reviews basic concepts of atomic and molecular processes and presents the fundamentals of laser technology for controlling the spectral and temporal aspects of laser Book Edition: 1.

"presents[s] a collection of interesting applications for laser spectroscopy with a particular concentration on unusual applications. There are nearly examples describedof most interest to chemists, but there is much in [the book] that applies to physicists and engineers as well.

"Journal of the American Chemical Society. Spectroscopy, Crystal the branch of spectroscopy devoted to the study of quantum transitions in the system of energy levels of crystalline solids and to the study of the accompanying physical phenomena.

Crystal spectroscopy is an important source of information about the properties and structure of crystals. The theoretical basis of the field is the. Laser spectroscopy would provide a great tool to explore how climate change is affecting the Arctic, where vast fields of frozen soil, or permafrost, hold huge amounts of organic matter that can thaw and release unknown amounts of methane.

Keywords: ultrashort laser pulses, transparent crystals, optical glasses, waveguide structures, numerical modelling, multiphoton ionisation, avalanche ionisation, photoemission, Coulomb explo-sion, crater shaping, elastoplastic deformations.

Introduction Laser irradiation of. Laser Spectroscopy. We are an experimental group doing basic research in the field of group is integrated in the Department of Physics of Materials at Autonomous University of Madrid (UAM).

Our research activity integrates several disciplines including optics, applied physics, materialsthe study of light-matter interaction phenomena is attempted by different.

The new research paper has been published in Laser Physics journal [Karimullin et al Laser Phys. 29 ] Abstract Low-temperature dynamics in layered ensembles of core-double-shell colloidal CdSe/CdS/ZnS quantum dots is studied using different experimental techniques, including photoluminescence and absorption.

Laser-induced breakdown spectroscopy (LIBS) is a relatively straightforward and yet powerful technique that has been widely used for elemental-composition measurements in all forms of matter. LIBS has been employed for gas-phase sensing. Selective laSer etching of glaSS and Sapphire With the new Selective Laser Etching (SLE) technique the Fraunhofer Institute for Laser Technology ILT provides the first process for producing microchannels and shaped holes and cuts in transparent parts made of fused silica, borosilicate glass, sapphire and ruby.

CONFERENCE PROCEEDINGS Papers Presentations Journals. Advanced Photonics. 93 bioactive glass. In he direct selective laser sintering, bare t glass powder is used as feedstock to the SLS machine and in the indirect selective laser sintering, a polymeric binder is mixed with the actual powder to help fuse the powder particles during fabrication.

A post processing step is involved. 1. Phys Rev B Condens Matter. Dec 1;52(21) Site-selective laser-spectroscopy studies of the intrinsic eV luminescence center in glassy by: ­Laser-induced breakdown spectroscopy, or LIBS, has been advanc­ing significantly over the last can analyze solids, liquids and gases and can return results rapidly, with very little damage to the sample.

Not only that, it can do its work from a distance, unlike some analytical tools that. Spectroscopy with laser light or, more generally, studies of the interaction between laser radiation and matter.

Lasers have led to a revolution of classical spectroscopy, because laser light can far surpass the light from other sources in brightness, spectral purity, and directionality; and if required, laser light can be produced in extremely intense and short pulses, far enhancing the.tion of gas on the crystals.

Humidity is responsible for charging electrostatically the particles. At high relative humidity, all particles tend to charge nega-tively, at low relative humidity coarse powders tend Size, Shape and Flow of powders for use in Selective Laser Sintering (SLS).Waveguide characterization.

Figure 3(a) and (b) show cross-sections of the input and output faces (left and right, respectively) of the nonlinear optic LaBGeO 5 single-crystal waveguide from Fig. crystal extends through an elliptical channel of visibly laser-modified glass.

Near-field intensity profiles of light guided through the waveguide are shown in Fig. 3(c).Cited by:

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