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Advancements in Ultrafast Non-linear Optics and Non-linear Optical Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Optical and Photonic Materials".

Deadline for manuscript submissions: closed (10 September 2023) | Viewed by 1431

Special Issue Editors

Department of Optical-Electrical Information Engineering, University of Shanghai for Science and Technology, Shanghai, China
Interests: nonlinear optics; plasma; fiber laser; laser spectroscopy; frequency comb
Zhangjiang Lab, Shanghai, China
Interests: integrated photonics; nonlinear optics; ultrafast optics

Special Issue Information

Dear Colleagues,

The field of ultrafast nonlinear optics deals with nonlinear processes performed by ultrafast lasers, i.e., processes occurring on a timescale of picoseconds, femtoseconds, or faster. In recent years, tremendous developments in the physical world have been enabled the advent of ultrafast lasers. One of the most important technologies behind this has been chirped pulse amplification, which is the 2018 Nobel physics prize-winning technology invented by Gerard Mourou and Donna Strickland. Ultrafast nonlinear optics has made an important impact on the development of medicine, biology, material processing, and other fields.

Therefore, we are announcing this Special Issue of Materials, entitled “Advancements in Ultrafast Non-linear Optics and Non-linear Optical Materials”. We invite original contributions to capture the current state of research related to nonlinear processes performed by picosecond/femtosecond/attosecond laser pulses and optical materials used or fabricated via ultrafast processes. The scope of this Special Issue covers, but is not limited to, ultrafast nonlinearities in the context of light propagation, e.g. the Kerr effect, Raman scattering and harmonic generation; ultrafast excitation, saturation and relaxation phenomena, e.g. saturable absorbers in mode-lock laser oscillators; ultrafast laser induced ionization and dissociation, e.g. laser filamentation, multiple-photon ionization, and ultrafast laser spectroscopy; ultrafast processes in laser systems, such as fabrications of CW or mode-locked laser systems, frequency combs, and dynamics during pulse formation in lasers (soliton generation) and understanding, modeling, monitoring, and controlling material behaviors during ultrafast laser processes.

We are pleased to invite you to submit manuscripts for this Special Issue on “Advancements in Ultrafast Non-linear Optics and Non-linear Optical Materials” in the form of full research papers, communications, and review articles. We look forward to receiving your contributions to this Special Issue.

Dr. Shuai Yuan
Dr. Wei Chu
Guest Editors

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. Materials is an international peer-reviewed open access semimonthly 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 2600 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.

Keywords

  • laser systems
  • ultrafast nonlinearities
  • ultrafast laser spectroscopy
  • ultrafast phenomena
  • laser materials
  • mode-locked lasers
  • ultrafast devices

Published Papers (1 paper)

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Research

11 pages, 8375 KiB  
Article
Abruptly Autofocusing Vortex Beams for Rapid Controllable Femtosecond Two-Photon Polymerization
by Erse Jia, Chen Xie, Yue Yang, Na Xiao and Minglie Hu
Materials 2023, 16(13), 4625; https://doi.org/10.3390/ma16134625 - 27 Jun 2023
Viewed by 1068
Abstract
Micro-fabrication based on structured-beam-assisted Two-Photon Polymerization (2 PP) provides a rapid and flexible method for the manufacture of microstructures with complex morphologies. The tunable Abruptly Autofocusing Vortex (AAFV) beams were designed theoretically and generated experimentally based on a single-phase-only Spatial Light Modulator (SLM). [...] Read more.
Micro-fabrication based on structured-beam-assisted Two-Photon Polymerization (2 PP) provides a rapid and flexible method for the manufacture of microstructures with complex morphologies. The tunable Abruptly Autofocusing Vortex (AAFV) beams were designed theoretically and generated experimentally based on a single-phase-only Spatial Light Modulator (SLM). Their specific spatial intensity distributions were further utilized to assist the fabrication of a bowl-shaped Three-Dimensional (3D) micro-trap array via 2 PP with a one-step exposure technique. Finally, the fabricated microstructures act as a novel tool for the trapping and spatial positioning of micro-particles with different diameters, which shows potential applications in fiber optics and cell study. Full article
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