Emerging Trends in Laser Processing Techniques

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optoelectronics and Optical Materials".

Deadline for manuscript submissions: 20 July 2024 | Viewed by 1123

Special Issue Editors


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Guest Editor
College of Electronics and Information Engineering, Sichuan University, Chengdu 610065, China
Interests: laser effect; laser plasma; laser manufacturing; laser induced damage

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Guest Editor
Southwest Institute of Technical Physics, Chengdu 610041, China
Interests: laser effect; laser plasma; laser manufacturing; laser-induced damage; laser countermeasure technology

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Guest Editor
Institute of Advanced Manufacturing and Modern Equipment Technology, School of Mechanical Engineering, Jiangsu University, No. 301 Xuefu Road, Zhenjiang 212013, China
Interests: laser micromachining; tribology; piezoelectrics; ultrasonic motors; cryogenics; measurement
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Special Issue Information

Dear Colleagues,

The laser, as a new technology and tool, has been widely used in modern manufacturing, environmental protection, micro exploration, aerospace, new energy and other fields. High-energy lasers make it possible to achieve controlled nuclear fusion, which can lead to the energy revolution of humanity. Lasers have changed modern manufacturing methods and are widely used in welding, cutting, and cleaning applications, with advantages such as high efficiency, high precision, and environmental friendliness. Laser weapons have become the main new concept weapon in modern warfare, changing the form of warfare. The application of lasers in biomedicine has led to the emergence of precision medicine, laser beauty, etc. The development of ultra-short laser pulses provides research tools for detecting chemical and biological reaction processes as well as strong field physics.

The aim of this Special Issue is to highlight and overview all aspects of laser effects and applications, which may contribute to laser nuclear fusion, laser manufacturing, laser biology, laser detection, etc. For this Special Issue, you are welcome to submit systematic or narrative reviews, original research that provide new insights into the new mechanisms, methods, and phenomena of interactions between laser and materials that may have an impact on the practical applications of laser effects.

We look forward to receiving your contributions.

Dr. Jinghua Han
Dr. Jing Xiao
Dr. Yanhu Zhang
Guest Editors

Manuscript Submission Information

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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. Photonics is an international peer-reviewed open access monthly journal published by MDPI.

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Keywords

  • laser effects
  • laser plasma
  • laser-induced damage
  • nonlinear ionization
  • laser manufacturing
  • laser detection
  • laser countermeasure

Published Papers (1 paper)

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Research

26 pages, 5282 KiB  
Article
Nanoscale Dots, Grids, Ripples, and Hierarchical Structures on PET by UV Laser Processing
by Gerda Buchberger, Martin Kührer, Günter Hesser and Johannes Heitz
Photonics 2024, 11(2), 184; https://doi.org/10.3390/photonics11020184 - 18 Feb 2024
Viewed by 798
Abstract
Nanostructures can be produced on poly(ethylene terephthalate) (PET) foils by using a krypton fluoride (KrF) excimer laser with a wavelength of 248 nm and a pulse duration of about 20 ns. We show that surface nanoripples, nanodots, nanogrids, and hybrid patterns of ripples [...] Read more.
Nanostructures can be produced on poly(ethylene terephthalate) (PET) foils by using a krypton fluoride (KrF) excimer laser with a wavelength of 248 nm and a pulse duration of about 20 ns. We show that surface nanoripples, nanodots, nanogrids, and hybrid patterns of ripples with dots or finer ripples on top can be fabricated. The effects of a water layer in front of the PET foil and of cooling during laser processing were investigated. For pattern formation, several irradiation parameters (pulse number, pulse energy, and polarization) were varied systematically. The spatial periods of the ripples were changed by adjusting the angle of incidence of the laser beam. All nanostructures were characterized by scanning electron microscopy, and relevant morphological parameters, such as peak-to-peak distances and spatial periods, were assessed. Shapes and heights of some structures were characterized by using focused ion beam cuts to avoid the tip-sample convolution effects typical of atomic force microscopy images. We further demonstrate nanoripple formation on PET foils as thin as 12 µm, 6 µm, and 1.4 µm. The remarkable variety of nanostructures on PET we present here enables customized fabrication for a wide range of applications. Full article
(This article belongs to the Special Issue Emerging Trends in Laser Processing Techniques)
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