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Optics
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Laser–Matter Interaction
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Laser–Matter Interaction

A special issue of Optics (ISSN 2673-3269). This special issue belongs to the section "Laser Sciences and Technology".

Deadline for manuscript submissions: closed (10 July 2023) | Viewed by 7052

Special Issue Editor

Dr. Konstantinos Iliopoulos

E-Mail Website
Guest Editor
Aix Marseille Univ, CNRS, Centrale Marseille, Institut Fresnel, Marseille, France
Interests: nonlinear optics; laser–matter interaction; photonic materials; laser writing; nonlinear microscopy

Special Issue Information

Dear Colleagues,

It had been 60 years since lasers were invented by Dr. Maiman in 1960. During these 60 years, lasers and laser technology have strongly developed in lots of fields. This Special Issue on laser–matter interaction aims to bring together leading academic scientists, researchers, and laser users and manufacturers to show their recent progress in laser science and technology, especially in laser–matter interaction.

This Special Issue will cover all new advances in laser–matter interaction coupled with recent applications of emerging materials. The main objective is to revisit the basic phenomena involved in the interaction of a wide range of laser systems, new and efficient devices including smart optics, high- and low-repetition-rate processing, as well as high and low beam fluences. This Special Issue will consider recent progress in laser-assisted additive fabrication, nano-LIPSS formation, laser LIFT of biological materials and systems, and more emerging techniques. All contributions on laser interaction with hard, soft, and smart materials, targeting future applications from nano-energy to biomedicine as well as recent progress on fundamental mechanisms are welcome to the Special Issue.

The submissions should concern, but are not limited to, the following topics：

  • Lasers in nanotechnology and environmental technology;
  • Laser hybrid processing;
  • Laser manufacturing for alternative energy sources;
  • Laser 3D microstructuring for MEMS, MOEMS, photonic crystals, and photonic applications;
  • Laser-induced forward transfer of functional materials for organic electronics and sensing applications;
  • Laser-assisted fabrication for sensors;
  • Ultra-short, ultra-high-power laser interaction with matter: fundamentals and applications in biology and materials science;
  • Laser processing of materials: thin film growth and particle production; subwavelength laser produced structures for smart optical, electro-optical, electronic and biological devices; laser-induced nanostructures: from theory to applications;
  • Time-resolved diagnostics for laser processing; multiphoton-based processing techniques;
  • Diode lasers for processing and pumping;
  • Laser process monitoring and control, laser processing of biological materials.

Let us celebrate the 60th year of lasers!

Dr. Konstantinos Iliopoulos
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Optics is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (4 papers)

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Editorial

Jump to: Research

2 pages, 147 KiB  
Editorial
Towards Laser-Based Calibration-Free Quantification of Trace Elements
by Christoph Gerhard
Optics 2021, 2(1), 43-44; https://0-doi-org.brum.beds.ac.uk/10.3390/opt2010003 - 04 Jan 2021
Viewed by 1913
Abstract
It is told that Theodore Maiman called the first operating laser source he and his co-worker Charles Asawa realized 60 years ago [...] Full article
(This article belongs to the Special Issue Laser–Matter Interaction)

Research

Jump to: Editorial

6 pages, 1336 KiB  
Article
Optical Isolation of the Amplifier Cavity in XG-III PW Beamline
by Zhenhai Wu, Jiao Long, Jun Zhang, Qian Xiong, Xiongjun Zhang and Dongxia Hu
Optics 2023, 4(1), 132-137; https://0-doi-org.brum.beds.ac.uk/10.3390/opt4010009 - 28 Jan 2023
Viewed by 1050
Abstract
Optical isolation with high-quality, large-aperture polarizers is commonly used in high-power laser facilities to suppress retro-reflected pulses. However, it is hard to manufacture these polarizers. We propose an approach of optical isolation with two plasma-electrode Pockels cells instead of large-aperture polarizers. In this [...] Read more.
Optical isolation with high-quality, large-aperture polarizers is commonly used in high-power laser facilities to suppress retro-reflected pulses. However, it is hard to manufacture these polarizers. We propose an approach of optical isolation with two plasma-electrode Pockels cells instead of large-aperture polarizers. In this approach, Nd:glass slabs placed at the Brewster′s angle are used as polarizers. The analysis results and the application performances in the Xingguang (Star Light) XG-III PW beamline indicate that this approach can supply good protection to optical components in laser facilities. Full article
(This article belongs to the Special Issue Laser–Matter Interaction)
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9 pages, 2190 KiB  
Article
Laser Annealing of Sb2Te3 2D Layers towards Nonlinear Optical Applications
by Delphine Coiras, Richard-Nicolas Verrone, Andrea Campos, Martiane Cabié, Laurent Gallais, Marco Minissale, Julien Lumeau, Jean-Yves Natoli and Konstantinos Iliopoulos
Optics 2022, 3(3), 234-242; https://0-doi-org.brum.beds.ac.uk/10.3390/opt3030023 - 15 Jul 2022
Cited by 3 | Viewed by 1476
Abstract
In this work, we performed laser annealing of thin Sb2Te3 films to optimize crystallization time and their nonlinear optical properties. The annealed layers were studied by electron microscopy and UV–Vis spectrophotometry. Their nonlinear optical response was investigated by nonlinear transmission [...] Read more.
In this work, we performed laser annealing of thin Sb2Te3 films to optimize crystallization time and their nonlinear optical properties. The annealed layers were studied by electron microscopy and UV–Vis spectrophotometry. Their nonlinear optical response was investigated by nonlinear transmission and Z-scan measurements. These studies were performed by a femtosecond laser system providing 400 fs laser pulses at 1030 nm. The results were compared with previous findings based on studies of oven-annealed thin films. Full article
(This article belongs to the Special Issue Laser–Matter Interaction)
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9 pages, 745 KiB  
Article
Optical Properties of Tungsten: A Parametric Study to Characterize the Role of Roughness, Surface Composition and Temperature
by Federica Pappalardo, Francisco Romero Lairado, Cyprien Louis de Canonville, Céline Martin, Gregory Giacometti, Guillaume Serin, Eric Salomon, Thierry Angot, Laurent Gallais, Régis Bisson and Marco Minissale
Optics 2022, 3(3), 216-224; https://0-doi-org.brum.beds.ac.uk/10.3390/opt3030021 - 05 Jul 2022
Viewed by 1759
Abstract
Tungsten (W) is the material selected for the divertor exhaust of the international nuclear fusion experiment ITER. In this harsh environment, the interactions of heat loads and ion fluxes with W can induce temporary or permanent evolution in the optical properties. Poor knowledge [...] Read more.
Tungsten (W) is the material selected for the divertor exhaust of the international nuclear fusion experiment ITER. In this harsh environment, the interactions of heat loads and ion fluxes with W can induce temporary or permanent evolution in the optical properties. Poor knowledge of such evolution during a plasma operation can lead to errors in temperature measurements performed by optical diagnostics. Therefore, it is of fundamental importance to characterize possible changes in W optical properties. In this work, we studied the role of morphology and temperature on the optical response of W. The reflectivities of five W samples with different roughness values (20–100 nm) were measured during laser annealing (25–800 °C) in the visible and near-infrared domains (500–1100 nm). We observed an increase in reflectivity after annealing and we demonstrated that it was due to a change in the chemical composition of the surface, in particular a reduction in the amount of native oxide. Moreover, we show that roughness does not sensibly vary in the investigated temperature range. By highlighting the role played by roughness and surface impurities (e.g., oxide), we provide insight in how W optical properties can evolve in tokamaks where high ion fluxes, heat loads, and impurities can induce the evolution of both the morphology and surface composition of W. Full article
(This article belongs to the Special Issue Laser–Matter Interaction)
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