Ion beam Applications Research Papers

2025, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Proton induced X-ray emission (PIXE) is famously effective for revealing trace elements in biological tissue in which the majority elements (H, C, N and O) have low Z. When the majority elements in a compound have high atomic numbers, the... more

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Green to deep-red emissive carbon dot formation by C+ ion implantation on nitrogen beam created self-masked nanotemplate

by Sudip Bhowmick

2025

18 19 templates by successive implantation of nitroge a d ea bon broad ion beams. The patterned nano-21 Subsequently, 5 keV c+ions are implanted a tlie selective sites of the pyramidal nano-template 25 and graphitic nitrogen (CN). G-band... more

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Gelatin-Silk Fibroin Composite Scaffold as A Potential Skin Graft Material

by Preethi Ramadoss

2024

The study presents a detailed comparison of the morphological, mechanical and biological differences that takes place upon the addition of silk fibroin to gelatin biomaterial. 3D porous scaffolds of pure gelatin (G) and gelatin, silk (GS)... more

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A comparitive study of drug release profile of propolis and diclofenac for efficient wound healing

by Preethi Ramadoss

2024, Annals of Biological Research

Diclofenac and Propolis based scaffolds were compared for their in vitro drug delivery efficacy. The fabricated Gelatin scaffolds were then soaked in Diclofenac and Propolis followed by thorough drying. The drug loaded scaffolds were... more

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Investigation of royal jelly as a promising substitute to fetal bovine serum in cell culture

by Preethi Ramadoss

2024, Annals of Biological Research

Royal Jelly (RJ) was studied for its efficiency as a potential alternative to Fetal Bovine Serum (FBS) in cell culture medium. An all natural cell culture medium was formulated by using tender coconut, Royal Jelly and Honey. This medium... more

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Enhanced mechanical strength and sustained drug release of gelatin/keratin scaffolds

by Preethi Ramadoss

2024, Materials Letters

Three dimensional natural polymer composites with highly interconnected pores of gelatin/keratin (GK) and gelatin/silk (GS) prepared by freeze-drying technique. FTIR analysis confirmed the functional group of GS and GK. GK possesses... more

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Characterisation of thin film chalcogenide PV materials using MeV ion beam analysis

by Chris Jeynes

2024, 2009 International Conference on Sustainable Power Generation and Supply

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A new 3D positioner for the analytical mapping of non-flat objects under accelerator beams

by Thomas Calligaro

2024, HAL (Le Centre pour la Communication Scientifique Directe)

We report the development of a 3D positioner for the elemental mapping of non-flat surfaces of heritage targets and its implementation in the external beam of the AGLAE accelerator, a joint research activity of the IPERION-CH European... more

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Depth resolution calculations for heavy-ion microbeam RBS analysis

by tonci tadic

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

A detailed study has been made on the use of MeV heavy ions (Z, = 6-8) for microbeam Rutherford backscattering (RBS) analysis, to improve the depth resolution of this technique. The algorithm for determination of the depth resolution was... more

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External microbeam PIGE study of Li and F distribution in PVdF/HFP electrolyte gel polymer for lithium battery application

by tonci tadic

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Studies of Li and F distribution in a series of gel polymer electrolyte samples containing lithium salt solution have been performed by microbeam scanning of the sample cross-section using PIGE spectroscopy. In order to preserve gel... more

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Status of Ion Beam Modification and Analysis of Materials at STU MTF

by Robert Riedlmajer

2023, Research Papers Faculty of Materials Science and Technology Slovak University of Technology

The new Ion Beam Centre (IBC) equipped with 6 MV tandem ion accelerator and 500 kV ion implanter systems was built at the Slovak University of Technology, Faculty of Materials Science and Technology (STU MTF). The facility provides Ion... more

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Characterization and Simulation of p-Type Ion Implantation in MCT

by Changzhi Shi

2023, Ion Beam Applications

Ion implantation is one of the key technologies for the fabrication of HgCdTe (MCT) infrared photodiodes. In order to achieve p-on-n type photodiode structure with better performance, the group V elements typically serve as p-type... more

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External PIXE and mu-PIXE measurements of elemental concentrations in volcanic rocks

by alba santo

2023, Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms

PIXE measurements have been performed on volcanic rocks, using external 3 MeV proton beams of 50 to 200 Km diameter, at the KN30~~ Van de Graaff accelerator of the Physics Department of the Florence University. Two or more Si(Li)... more

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PIXE and RBS applied to cultural heritage objects: Complementarity and limitations

by michel dubus

2023, Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms

This paper reports on the use of PIXE and RBS (resonant and non-resonant RBS) implemented with proton beams to simultaneously analyse light and heavy elements in materials of cultural heritage significance, as exemplified by Russian icons... more

Fig. 1. PIXE spectrum of an icon gild with 3-MeV protons. M. Morelle et al. / Nucl. Instr. and Meth. in Phys. Res. B 240 (2005) 600-605

3.2. Lead seals the same conservation conditions (environment, atmosphere, etc.) as the antique ones. We have also used, as references, some lead oxide targets of known composition in order to establish and test the sensitivity and the performances and/or limita- tions of the RBS technique on these materials.

Fig. 2. 3-MeV proton-induced RBS spectrum on an icon gild composed of gold-silver foils and processed with the SIMNRA code.

Fig. 3. 3-MeV proton-induced RBS spectrum of an icon gild composed of gold-silver alloy and processed by the SIMNRA code. M. Morelle et al. | Nucl. Instr. and Meth. in Phys. Res. B 240 (2005) 600-605

Fig. 4. 3-MeV proton-induced RBS spectrum of an icon gild, where gold and silver are completely absent.

Fig. 5. Line a shows the fit of the 3-MeV proton-induced RBS spectrum on pure lead target obtained with SIMNRA using the “double diffusion” option. Line b corresponds to the “‘single diffusion” option. M. Morelle et al. | Nucl. Instr. and Meth. in Phys. Res. B 240 (2005) 600-605

Fig. 6. 3-MeV alpha-induced RBS spectrum on PbSO, target.

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Protontherapy versus Carbon Ion Therapy: Advantages, Disadvantages and Similarities

by Dimitris Mihailidis

2023, Medical Physics

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CdTe and EDS HR-PIXE Ta L and M spectra induced by duoplasmatron generated proton and oxygen ion beams

by M.A. Reis

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Particle induced X-ray emission (PIXE) is a powerful technique for quantitative analysis because it is nondestructive, multi-elemental (from Na to U), highly sensitive and requires no special sample preparation. Heavy Ions PIXE (HI-PIXE),... more

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Ion Beam Application to Nuclear Material Damage Assessment

by Collins Nana ANDOH

2023, IntechOpen

With a substantial rise in world temperature as a result of uncontrolled greenhouse gasses released, particularly by industrialized countries, the need for efficient and economical energy has been increasing, necessitating the addition of... more

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PIXE and PGAA – Complementary methods for studies on ancient glass artefacts (from Byzantine, late medieval to modern Murano glass)

by Imre Kovács

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Combined external milli-beam Particle Induced X-ray Emission (PIXE) and Prompt Gamma Activation Analysis (PGAA) analysis was applied to characterize the composition of paste and colorants from some fragments of Byzantine bracelets... more

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Paintings on copper by the Flemish artist Frans Francken II: PIXE characterization by external microbeam

by Alexandra P Rodrigues

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Resorting to an external proton microbeam, PIXE analyses of three oil paintings on copper support dated from the XVII century and attributed to the Flemish artist Frans Francken II, were undertaken. The present work aims to contribute to... more

Fig. 1. (a) Detail of a gap on The resurrection of Lazarus (8x). The substrate copper plate is visible showing horizontal lines as a consequence of surface treatment. (b) 2D PIXE Cu-map (800 x 800 j1m7), also showing the surface lines distribution. As a first step, the metallic support of the three paintings was analysed. In some areas of the paintings, due to the presence of small gaps, it was possible to observe the copper plate to the naked eye (Fig. 1a). Nevertheless for the composition analysis, the backside of the paintings was analysed. According to the PIXE composition results, very pure copper plates were used, being Pb (0.15-0.20 wt.%), Au (0.03-0.06 wt.%), Hg (0.03 wt.%4) and As

Fig. 2. (a) Detail of The conversion of Gentiles showing different hues of red in two of the characters. (b) representative PIXE spectra for light (red) and dark red (black). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

Fig. 5. X-ray spectra recorded on blue colours from several points of the paintings under study: one in Lazarus's shroud (solid black) in The resurrection of Lazarus and in the tunic belonging to a man in The conversion of Gentiles (dash blue). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

Fig. 4. Detail of The conversion of Gentiles photography and its corresponding photo under IR light. Fig. 3. 2D PIXE maps for Hg, Cu, Pb and Ca recorded in a light red area. (800 x 800 1m?). (For interpretation of the references to colour in this figure legend, the reader i: referred to the web version of this article.)

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Ion beam oxidation of GaAs: The role of ion energy

by Nicole Herbots

2023, Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films

In this work, room temperature oxidation of GaAs was investigated using ion beam oxidation (mO). In lBO, an ion beam is used to introduce oxygen athermally into the substrate, in this case GaAs. GaAs bonds are broken upon collision with... more

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A new 3D positioner for the analytical mapping of non-flat objects under accelerator beams

by Thomas Calligaro

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

We report the development of a 3D positioner for the elemental mapping of non-flat surfaces of heritage targets and its implementation in the external beam of the AGLAE accelerator, a joint research activity of the IPERION-CH European... more

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Trace element fingerprinting of jewellery rubies by external beam PIXE

by Thomas Calligaro

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

External beam PIXE analysis allows the non-destructive in situ characterisation of gemstones mounted on jewellery pieces. This technique was used for the determination of the geographical origin of 64 rubies set on a high-valued necklace.... more

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Trace element composition of archaeological bones and post-mortem alteration in the burial environment

by Thomas Calligaro

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

We have performed Particle Induced X-ray Emission (PIXE) and Particle Induced Gamma-ray Emission (PIGE) analyses with an external proton millibeam on archaeological bones in order to determine possible alteration processes in their burial... more

Fig. 1. Concentration profiles of iron and sulphur in the BI bone sample, measured by PIXE on a transverse bone section from the periosteum to the medullary channel. The statistical error lies between 1.3% for iron and 1.7% for sulphur. I. Reiche et al. | Nucl. Instr. and Meth. in Phys. Res. B 150 (1999) 656-662

Minimum and maximum trace element concentrations in the archaeological bone samples from the immersed (BI) and the emerged area (BE) compared to the mean concentrations of two modern bones (M1 = sheep, M2= horse) in ppm

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PIXE and RBS applied to cultural heritage objects: Complementarity and limitations

by Thomas Calligaro

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

This paper reports on the use of PIXE and RBS (resonant and non-resonant RBS) implemented with proton beams to simultaneously analyse light and heavy elements in materials of cultural heritage significance, as exemplified by Russian icons... more

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An external milli-beam for archaeometric applications on the AGLAE IBA facility of the Louvre museum

by Thomas Calligaro

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

External beam lines have been built on numerous IBA facilities for the analysis of works of art to avoid sampling and vacuum potentially detrimental to the integrity of such precious objects. On the other hand. growing interest lies on... more

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Determination of the sequence and thicknesses of multilayers in an easel painting

by Thomas Calligaro

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

In this article we propose the application of an improved algorithm to determine the sequence and the thicknesses of paint multilayers. The concentration pro®les of colour pigments are deduced using the PIXE technique for dierent proton... more

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Provenance study of rubies from a Parthian statuette by PIXE analysis

by Thomas Calligaro

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

The aim of this work was the characterization of three red inlays of a Pdrthian statuette (3rd century B.C.) originating from Babylon, Mesopotamia. The external beam setup of AGLAE was used in order to determine the chemical composition... more

Fig. 2. X-ray spectra of the left eye of the statuette obtained by the simultaneous use of two Si{Li) detectors.

Fig. 4. Plot of Fe vs. Cr for different locations. Fig. 3. Box and Whisker plot of the Fe content of rubies from different sources.

T. Calligaro et al. | Nucl. Instr. and Meth. in Phys. Res. B 136-138 (1998) 846-850

PIXE results of the analyses of the rubies from eyes and navel Concentrations in ppm except AlsO, in weight. LOD are the limits of detection given by the GUPIX program. The sign < mear under LOD. Table |

Elemental composition of different provenances in ppm Standard deviation is given in parentheses. Table 2

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ERDA with an external helium ion micro-beam: Advantages and potential applications

by Thomas Calligaro

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Preliminary ERDA experiments at atmospheric pressure have been performed with our external microprobe setup currently used for the analysis of museum objects by PIXE, RBS and NRA. The objective was to check the feasibility of hydrogen... more

Fig. 1. Sketch of the ERDA set-up used in the present work. (1) Exit nozzle; (2) Si3;N4 exit window; (3) Si;N4 window facing the dose monitoring detector; (4) Beam spot; (5) Sample holder; (6) Rotational movement; (7) Conical end of detector housing made of epoxy resin; (8) Cylindrical housing made of dural; (9) Surface barrier detector; (10) Longitudinal movement. show the feasibi pressure, we used As the present experiments only intended to a rather ity of operating at atmospheric crude set-up based on a 3-axes goniometric stage with a resulting angular resolution not be sample holder w sample surface, set at direction, can be as design ter than a few tenths of degree. A ed (Fig. 1) so that the 5° with respect to the beam placed very close to the beam exit nozzle (2 mm). Accurate sample positioning is achieved by means o d d jm, aced he beam in the forward di istance from the beam s etector. Helium gas is b f a miniature CCD camera facing the sample surface. A surface barrier de- ector (thickness 100 resolution 12 keV), p active surface 25 mm?, at 30° with respect to rection, is mounted in a cylindrical housing where it can move to adjust the pot. A rectangular dia- phragm of 2 mm x 5 mm is set in front of the own in the housing in order to fill the entire pat h between the spot and he detector and thus acts as the absorber of Most of the experiments have with the external beam line of t beam analysis facility, based on been conducted he AGLAE ion a 2MV tandem accelerator Pelletron 6SDH-2 built by National Electrostatics Corporation. Initia ly designed for PIXE measurements using a millimetric beam, the set-up has been progressively improved [2] first by adding a focusing system original separate microprobe line, then by y attached to a designing a so-

Fig. 3. ERDA spectrum of H-implanted silicon (2 x 10!° H/cm? at 15 keV) with the corresponding simulated spectrum. Inte- grated charge 33 pC. straggling 230 nm (1140 x 10! atoms/cm?) and 66 nm, respectively. In Fig. 3 are presented the experimental and simulated ERDA spectra of this sample. One notes a quite good fit of the experi- mental spectrum with the exception of a small surface component due to contamination. The depth scale in silicon can be inferred from the

Fig. 2. ERDA spectrum of Kapton (dots) with the simulated spectrum (solid line). Integrated charge 2.4 uC. T. Calligaro et al. | Nucl. Instr. and Meth. in Phys. Res. B 181 (2001) 180-185

Fig. 4. Comparison of ERDA spectra of H-implanted silicon (2 x 10! H/cm? at 15 keV) obtained under vacuum and with the external micro-beam set-up. In order to explore possible applications to the field of cultural heritage, we have analysed a series After this calibration stage, ERDA measure- ments were performed on various samples relevant to materials science or mineralogy. A first issue deals with the possible hydrogen incorporation into sap-

Fig. 5. ERDA spectra of two sapphire crystals compared to that of H-implanted silicon. T. Calligaro et al. | Nucl. Instr. and Meth. in Phys. Res. B 181 (2001) 180-185

Fig. 6. ERDA spectra obtained with a 4-MeV He** beam for two emeralds and the Kapton foil used as a standard. T. Calligaro et al. | Nucl. Instr. and Meth. in Phys. Res. B 181 (2001) 180-185

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The dedicated accelerator-based IBA facility AGLAE at the Louvre

by Thomas Calligaro

2023, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

The 6 SDH-;I 2 NV tandem Reiktron accelerator of NEC has been installed at the Louvre to characterize museum artifacts by using IBA analytical technicpes: PTXE and PIGME, RBS, ERD, 3s well as NRA. The facility is fitted with an... more

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Single-Particle/Single-Cell Ion Microbeams as Probes of Biological Mechanisms

by Alan Bigelow

2023, IEEE Transactions on Plasma Science

An ion microbeam is a very narrow beam of charged particles, typically protons, alpha particles, or heavier, of micrometer/submicrometer size, corresponding to cellular/ subcellular dimensions. Together with integrated techniques for... more

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Single-Particle/Single-Cell Ion Microbeams as Probes of Biological Mechanisms

by Gerhard Randers-Pehrson

2023, IEEE Transactions on Plasma Science

An ion microbeam is a very narrow beam of charged particles, typically protons, alpha particles, or heavier, of micrometer/submicrometer size, corresponding to cellular/ subcellular dimensions. Together with integrated techniques for... more

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Annealing behaviour and ranges of implanted ions in III–V and II–VI compound semiconductor materials

by Eero Rauhala

2022, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Annealing behaviour and ranges of 1540 keV (doses of 10'5-10'h cm-') "C+ and 19F+ ions implanted in InP, 13C+, 15N+ and 30Si+ in GaAs and 15N+ in ZnSSe have been investigated. Ion distributions were measured by the nuclear resonance... more

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Development of an external beam nuclear microprobe on the Aglae facility of the Louvre museum

by Thomas Calligaro

2022, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

The external beam line of our facility has been recently equipped with the focusing system previously mounted on a classical nuclear microprobe. When using a 0.1 lm thick Si 3 N 4 foil for the exit window and¯owing helium on the sample... more

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The Treasure of Guarrazar: Tracing the Gold Supplies in the Visigothic Iberian Peninsula*

by Thomas Calligaro

2022, Archaeometry

The treasure of Guarrazar, found in the 19th century in Spain, is the most important illustration of the high level of Visigothic jewellery in the Iberian Peninsula. The votive crowns and crosses of this treasure are an arrangement of... more

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Enhanced mechanical strength and sustained drug release of gelatin/keratin scaffolds

by Ramya Jayapalan

2022, Materials Letters

Three dimensional natural polymer composites with highly interconnected pores of gelatin/keratin (GK) and gelatin/silk (GS) prepared by freeze-drying technique. FTIR analysis confirmed the functional group of GS and GK. GK possesses... more

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Targeting Ion Beam Analysis techniques for gold artefacts

by Guy Demortier

2022, ArchéoSciences

Techniques de faisceaux d'ions ciblés pour l'analyse d'objets en or Guy Demortier* Abstract: he present study discusses the best experimental conditions for the quantitative analysis of gold jewellery artefacts by ion beam techniques... more

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Application of nuclear microprobes to material of archaeological interest

by Guy Demortier

2022, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Strongly focused nuclear microprobes have not been widely used until recently for characterization of material of archaeological interest. The main reasons are (1) the large size of many artefacts are not suitable for measurements in... more

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Complementarity of RBS, PIGE and PIXE for the determination of surface layers of thicknesses up to 30 microns

by Guy Demortier

2022, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

The ratios of intensities of K X-rays of medium elements and L X-rays of heavy elements (whose energies lie from 5 to 25 keV) are particularly sensitive to changes in the geometrical parameters (direction of the incident beam and of the... more

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Ion Beam Techniques for the Non-destructive Analysis of Archaelogical Materials

by Guy Demortier

2022, X-rays for Archaeology

Proton-Induced X-ray Emission (PIXE) has been proved to be a very rapid and accurate method for the elemental analysis of ancient artefacts. Using protons whose energy is lower than 3 MeV, it is possible to obtain, in a few minutes, the... more

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PIXE, XRF and GRT for the global investigation of ancient gold artefacts

by Guy Demortier

2022, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

The study of ancient gold jewellery artefacts often requires surface and bulk characterisation using non-destructive methods. Curators of musea or owners of private collections do not allow any sampling (even at microscopic level) for the... more

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Natural sciences inside museums. The development of the Research Laboratory for the French Museums from its origin and into the future

by Michel Menu

2022, Etnografías Contemporáneas

Menu, Michel (2016). "Natural sciences inside museums. The development of the Research Laboratory for the French Museums from its origin and into the future", TAREA, 3 (3), pp. 64-74. Resumen Este artículo presenta cómo la historia y... more

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Cross-Section Preparation for Solder Joints and MEMS Device Using Argon Ion Beam Milling

by Enric Cabruja

2022, IEEE Transactions on Electronics Packaging Manufacturing

Mechanical cross-section polishing has traditionally been the method of choice for preparing samples to be examined by Scanning Electron Microscopy (SEM). Although mechanical polishing, allied to selective chemical etching can reveal the... more

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The Treasure of Guarrazar: Tracing the Gold Supplies in the Visigothic Iberian Peninsula*

by Maria Filomena Guerra

2022, Archaeometry

The treasure of Guarrazar, found in the 19th century in Spain, is the most important illustration of the high level of Visigothic jewellery in the Iberian Peninsula. The votive crowns and crosses of this treasure are an arrangement of... more

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Multimode resonances in metallically confined square-resonator microlasers

by Yong-zhen Huang

2022, Applied Physics Letters

FIG. 4. ͑Color online͒ Magnetic field patterns of ͑a͒ the symmetry mode at 1528.90 nm and ͑b͒ antisymmetry mode at 1515.23 nm. Field amplitudes in the output waveguide are five-times magnified.

FIG. 1. (Color online) (a) SEM (top view) of a 20 jum side square resonator laser with a 2 zm wide output waveguide. (b) Near field pattern measured from the cleaved output waveguide. The laser output spectra of a 20 wm side square laser are measured and presented in Fig. 2(a) at the continuous- wave injecting current of 20 mA near room temperature. The dominant modes should be transverse electric (TE) modes in

FIG. 3. Mode refractive index versus photon energy obtained by fitting analytical mode wavelength to the laser spectra. where n is the mode refractive index, a is the side length ot he square resonator, p and g are the numbers of wavenodes n the two orthogonal sides of the square resonator, ¢, and ire the reflection phase shifts of the mode light ray on the ateral and vertical layered boundaries of the square. The eflection phase shifts on the multilayer boundary structure yf semiconductor/insulator SiO,/p-electrode Au can be cal- ulated by transfer matrix method based on the incidental ingle of the mode light ray. Assuming the main peaks narked by the open squares in Fig. 2(a) are the modes with 9=q or p=q+1, we can determine the mode refractive index 1 versus the photon energy E (eV) shown as open circles ir ‘ig. 3, which can be fitted by a linear relation n=3.07152 +0.18304F. The corresponding longitudinal mode interval: we 11.16, 11.49, 11.72, 11.79, 12.11, 12.25, and 12.56 nr

FIG. 2. (Color online) (a) Laser spectra of a square resonator laser with the side length of 20 jm. (b) Analytical results of mode wavelength fitted with laser spectra with the longitudinal mode index /=p+q+4.

FIG. 4. (Color online) Magnetic field patterns of (a) the symmetry mode at 1528.90 nm and (b) antisymmetry mode at 1515.23 nm. Field amplitudes in the output waveguide are five-times magnified. by Padé approximation from the time series of FDTD output.”! The output emission from the waveguide is obvi- ously observed and the field patterns are partly deformed due to the introduction of a 2 wm wide output waveguide. The ratios of the intensity in the output waveguide to that of the square resonator are about 0.13% and 0.50% for the resonant modes at 196.22 and 197.99 THz, respectively, which can be used to estimate the output coupling efficiency. The simu- lated mode Q factor is one order larger than those measured at the injection current of 10 mA. However, the mode Q factor of 1.0 104 was measured for an InGaAsP/InP square laser with the same size.’

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USNA Pelletron accelerator applications with heavy ion projectiles

by L. Alasagas

2022, Nuclear Engineering and Design

Tandem particle accelerators produce beams of atomic nuclei which are used for nuclear physics or materials science experiments. The U.S. Naval Academy tandem has predominately been used only for proton beams during the past 27 years.... more

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Ion-beam analysis for cultural heritage on the AGLAE facility: impact of PIXE/RBS combination

by Jean-Claude Dran

2022, Applied Physics A

The combination of particle-induced X-ray emission (PIXE) and Rutherford backscattering (RBS) is particularly fruitful for the study of cultural heritage objects. Several setups have been developed at the AGLAE facility of the Louvre... more

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Implementation of ionoluminescence in the AGLAE scanning external microprobe

by Thomas Calligaro

2022, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

The scope of this work is to present the implementation of an IBIL imaging system in the scanning external microprobe of the AGLAE facility so as to correlate luminescence and composition maps provided by PIXE, RBS and PIGE. The... more

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The AGLAE scanning nuclear microprobe setup

by Thomas Calligaro

2022, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

This paper gives a description of the recently installed scanning nuclear microprobe at the AccClBrateur Grand Louvre d'Analyse ElCmentaire (AGLAE) ion beam laboratory. The setup is based on the commercially available system from Oxford... more

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Real time RBS study of Cu?Sn alloy thermal oxidation by means of a 4He2+ external micro-beam

by Marc Aucouturier

2022, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

An open-air furnace has been designed to study in real time the high-temperature surface transformation of materials by Rutherford backscattering spectrometry (RBS) in external beam mode. A device previously designed for the observation... more

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External beam RBS in an unenclosed helium environment

by Lorenzo Giuntini

2022, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

The external beam facility installed at the KN-3000 accelerator in Florence, formerly used for PIXE measurements, has been exploited also for RBS analysis. A particle detector has been placed at 135" in a setup structure which also... more

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Ion beam Applications

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