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2 edition of Resonance line lasers as excitation sources for atomic spectrometry found in the catalog.

Resonance line lasers as excitation sources for atomic spectrometry

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Published .
Written in English


Edition Notes

Statementby Norma Lourdes Ayala
The Physical Object
Paginationxiv, 160 leaves :
Number of Pages160
ID Numbers
Open LibraryOL24591965M
OCLC/WorldCa26576230

@article{osti_, title = {Three-photon resonance ionization of atomic Mn in a hot-cavity laser ion source using Ti:sapphire lasers}, author = {Liu, Y. and Gottwald, T. and Mattolat, C. and Wendt, K.}, abstractNote = {We have demonstrated three-photon resonance ionization of atomic manganese (Mn) in a hot-cavity ion source using Ti: sapphire lasers. LASER-BASED ATOMIC SPECTROSCOPY: PROPOSAL FOR A NEW NOTATION or with multiple laser sources. Multiple excitation can be further qualified as a multi-photon and a multi- single laser source, it is well known that, when the laser excitation frequency comes close to resonance with a real state, a sharp increase in the two-photon excitation.   We present the results of high-resolution laser spectroscopy of the long-lived radioactive isotopes \(^{}\) Pm. The hyperfine structures and isotope shifts in two different atomic ground-state transitions at nm and nm were probed by in-source laser spectroscopy at the RISIKO mass separator in Mainz, using the PI-LIST ion : Dominik Studer, Jiri Ulrich, Saverio Braccini, Tommaso Stefano Carzaniga, Rugard Dressler, Klaus Ebe. We can see that it certainly is advantageous in atomic emission spectroscopy to use a higher temperature excitation source, if available. but the sensitivity associated with the nm atomic resonance line is not compatible with lasers as excitation sources File Size: KB.


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Resonance line lasers as excitation sources for atomic spectrometry by Norma Lourdes Ayala Download PDF EPUB FB2

This is unfortunate because resonance line lasers (RLLs) have features that could make their use as sources in analytical atomic spectroscopy advantageous. Resonance line lasers are simple in their design and operation and produce moderate powers and irradiances of resonance line radiation by stimulated by: 3.

Spectrochimica Acta Part B: Atomic Spectroscopy Vol Issue 9,Pages Resonance line lasers as excitation sources for atomic fluorescence spectrometryCited by: 3.

Resonance line lasers as excitation sources for atomic fluorescence spectrometry: Authors: Simeonsson, J. B.; Ayala, N. L.; Vera, J Publication Date: 00/ Origin: ADS: DOI: /(90)D: Bibliographic Code: AcSpeS: Abstract Not Available Bibtex entry for this abstract Preferred format for this abstract (see.

Laser resonance ionization spectroscopy using Ti:Sa lasers has been performed on antimony (Sb) at TRIUMF's off-line laser ion source test stand. Laser light of nm (vacuum wavelength) as the first excitation step and light from a frequency-doubled Nd:YVO 4 laser ( nm) as the nonresonant ionization step allowed to search for suitable Cited by: 4.

Introduction. Laser-based resonance ionization spectroscopy (RIS) [1,2] in combination with mass spectrometry has become the predominant method [] for producing isotopically pure ion beams of short-lived, unstable nuclei using the Isotope Separation On-Line (ISOL) approach [].In this method, radioactive species produced in a target are selectively ionized in an ion source by laser Cited by: 1.

This is done because for on-line laser resonance ionization typically a higher power birefringent-filter-tuned Ti:Sa laser is used instead of the lower power grating-tuned laser used for spectroscopy. The estimation method is shown in Fig. 3 Cited by: 4.

Laser resonance ionization spectroscopy (RIS) is an excellent technique for investigating the complicated atomic structure of heavy elements especially in their higher-energy region.

Magnetic Resonance Spectroscopy. Magnetic Resonance Spectroscopy is a unique tool to probe the biochemistry in vivo providing metabolic information non-invasively. In this book, topics of MRS both relevant to the clinic and also those that are beyond the clinical arena are covered.

The book consists of two sections. Spectroscopy - Spectroscopy - Resonance-ionization spectroscopy: Resonance-ionization spectroscopy (RIS) is an extremely sensitive and highly selective analytical measurement method.

It employs lasers to eject electrons from selected types of atoms or molecules, splitting the neutral species into a positive ion and a free electron with a negative charge. Resonance Raman spectroscopy (RR spectroscopy) is a Raman spectroscopy technique in which the incident photon energy is close in energy to an electronic transition of a compound or material under examination.

The frequency coincidence (or resonance) can lead to greatly enhanced intensity of the Raman scattering, which Resonance line lasers as excitation sources for atomic spectrometry book the study of chemical.

A laser‐pumped tunable organic dye laser is shown to excite atomic‐flame fluorescence of the 5‐Å barium resonance line. Ultrasonic nebulization reduces light scattering, producing a straight‐line analytical working curve suitable for quantitative by: Atomic and Molecular Spectroscopy is a wide-ranging review of modern spectroscopic techniques such as X-ray, photoelectron, optical and laser spectroscopy, and radiofrequency and microwave techniques.

On the fundamental side it focuses on physical principles and the impact of spectroscopy on our understanding of the building blocks of matter, while in the 5/5(1). instruments and not as source lamps for analyte detection. Line sources are lamps that emit very narrow bands of radiation, but this source of radiation is not as pure as radiation from a laser.

The most common line source radiation generator used in AAS is the hollow cathode lamp (HCL). A schematic of a calcium HCL is shown in Animation below. Resonance line lasers as excitation sources for atomic fluorescence spectrometry.

Spectrochimica Acta Part B: Atomic Spectroscopy45 (9), DOI: /(90)D. Totaro Imasaka, Nobuhiko by: Topics discussed include the spontaneous emission of radiation, stimulated transitions and the properties of gas and turnable dye lasers, and the physics and applications of resonance fluorescence, optical double resonance, optical pumping, and atomic beam magnetic resonance Cited by: The wavelength of the first excitation step for the resonance ionization laser ion source (RILIS) was scanned over the resonance(s) whilst the α- and γ-ray spectra from the decay of the Pb Author: Ulli Koester.

Fedoseev V N, Kudryavtsev Y A, Letokhov V S, Mishin V I, Ravn H, Sundell S, Kluge H-J and Scheerer F A laser ion source for on-line separation Resonance Ionization Spectroscopy —Proc. 5th Int. Symp. on RIS and its Applications (Varese, Italy, 16–21 Sept.

) ed J E Parks and N Omenetto (Bristol, NY: Institute of Physics Cited by: In-source resonance ionization spectroscopy of high lying energy levels in atomic uranium Article in Hyperfine Interactions (1) February with 10.

Selection rules 48 Atomic spectroscopy 49 Energies of atomic orbitals The spectra produced by electronic excitation Units Apparatus for emission obtained occur optical orbital oxide particles peaks polarised prism produced protons quantum number radiation Raman lines Raman spectroscopy resonance result rotational sample 3/5(5).

A timeline of atomic spectroscopy Article in Spectroscopy -Springfield then Eugene then Duluth- 21(10) October with Reads How we measure 'reads'Author: Volker Thomsen.

Fluorescence spectroscopy (also known as fluorimetry or spectrofluorometry) is a type of electromagnetic spectroscopy that analyzes fluorescence from a sample. It involves using a beam of light, usually ultraviolet light, that excites the electrons in molecules of certain compounds and causes them to emit light.

Atomic spectroscopy is the study of the electromagnetic radiation absorbed and emitted by atoms. Since unique elements have characteristic (signature) spectra, atomic spectroscopy, specifically the electromagnetic spectrum or mass spectrum, is applied for determination of elemental can be divided by atomization source or by the type of spectroscopy.

Here we report laser resonance ionization spectroscopy of nobelium (No; atomic number ) in single-atom-at-a-time quantities, in which we identify the ground-state transition (1)S0 (1)P1.

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 general concept is unchanged, the new edition features a broad array of new material, e.g., frequency doubling in external cavities, reliable cw-parametric oscillators, tunable narrow-band UV sources 4/5(3).

Effect of selective laser excitation on the ionization of atomic species in flames J. Travis, P. Schenck, G. Turk, and W. Mallard Analytical Chemistry 51 (9), Cited by: Spectroscopy - Spectroscopy - Types of electromagnetic-radiation sources: Although flames and discharges provide a convenient method of excitation, the environment can strongly perturb the sample being studied.

Excitation based on broadband-light sources in which the generation of the light is separated from the sample to be investigated provides a less perturbing means of excitation.

The detection of long-lived plutonium isotopes in ultra-trace amounts by resonance ionization mass spectrometry (RIMS) is a well-established routine method. Detection limits of 10 6 to 10 7 atoms and precise measurements of the isotopic composition have been by: 5.

Photoluminescence excitation spectroscopy near A resonance in WS 2 monolayer. (a) Selected low-temperature (T = 20 K) PL spectra obtained with different excitation energy. The sharp features are labelled according to the energies of the different phonon modes that are involved in the exciton-phonon scattering event.

Also, resonance ionization is used for an atomic (elemental) analyte, whereas REMPI is used for a molecular analyte. The analytical technique on which the process of resonance ionization is based is termed resonance ionization mass spectrometry (RIMS).

Sub-picogram detection of lead by non-flame atomic fluorescence spectrometry with dye laser excitation. Spectrochimica Acta Part B: Atomic Spectroscopy29 (5), DOI: /(74)Cited by: The application of a piezoelectric scanning Fabry-Perot interferometer to the study of atomic line sources—II.

Spectrochimica Acta Part B: Atomic Spectroscopy28 (1), DOI: /(73) C.F. Bruce, P. Hannaford. On the widths of atomic resonance lines from hollow-cathode by: Spectroscopy - Spectroscopy - Lasers for RIS: The essential components of RIS methods are tunable lasers, which can be of either the pulsed or the continuous-wave variety.

Pulsed lasers are more frequently used since they can add time resolution to a measurement system. In addition, pulsed lasers produce high peak power, permitting the efficient use of nonlinear. Three-photon resonance ionization of atomic Mn using tunable Ti:sapphire lasers in a hot cavity laser ion source was demonstrated for the first time.

Different three-step resonant excitation and ionization schemes involving Rydberg or alternatively AI states in the final step have been studied. Laser-induced breakdown spectroscopy 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. This book will serve as an introduction to the potential of the laser in atomic spectroscopy.

The book focuses primarily on the use of lasers in analytical atomic spectroscopy with optical detection, and also includes a chapter describing the use of lasers in inductively coupled plasma-mass spectrometry (ICP-MS).Format: Hardcover.

High-resolution laser resonance ionization spectroscopy in-source spectroscopy directly in the atomic beam effusing from a hot atom source. This concept is implemented in the PI-LIST (perpendicularly illuminated laser ion source and thesehome-built“Z-cavity”lasers,whichareinuseaton-line.

Resonance-enhanced laser-induced breakdown spectroscopy (RELIBS) was investigated with the aim to improve the limit of detection of trace elements in the context of elemental analysis of aluminium alloys.

A Q-switched Nd: YAG laser pulse (7 ns, nm) was used for ablation of the samples and was followed, after a suitable delay, by an Optical Parametric Oscillator (OPO) laser. Resonance ionization spectroscopy is a selective process in which only those atoms that are in resonance with the light source are ionized.

Modern pulsed lasers have made resonance ionization spectroscopy a practical method for the sensitive (and highly selective) detection of nearly every type of atom in the periodic table.

The applications of diode lasers in atomic spectrome-try have been reviewed previously [13,14]. While diode lasers have been used mostly as the primary source for atomic absorption spectrometry, where there is not a critical requirement for high radiant out-put, they have also been employed as the excitation source in LEAFS.

Nuclear magnetic resonance (NMR) spectroscopy is a widely used resonance method, and ultrafast laser spectroscopy is also possible in the infrared and visible spectral regions.

Nuclear spectroscopy are methods that use the properties of specific nuclei to probe the local structure in matter, mainly condensed matter, molecules in liquids or frozen liquids and bio-molecules. Spectroscopy - Spectroscopy - Applications: Spectroscopy is used as a tool for studying the structures of atoms and molecules.

The large number of wavelengths emitted by these systems makes it possible to investigate their structures in detail, including the electron configurations of ground and various excited states. Spectroscopy also provides a precise analytical method .The Ti:sapphire laser, which has really become the workhorse of generating lots and lots of power in the infrared domain.

But then it can also be frequency doubled to the visible. When I was a [INAUDIBLE] in the early '90s, people just starting to use diode lasers in atomic physics.

Here you are 20 years later. We see you much more solid state. Atomic fluorescence spectroscopy uses the characteristic ways light interacts with the electronic structure of atoms to identify trace metals at very low concentrations.