High-Power Ultrafast Lasers: Development and Applications

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Lasers, Light Sources and Sensors".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1474

Special Issue Editor

*
E-Mail Website1 Website2
Guest Editor
National Institute for Laser, Plasma, and Radiation Physics, Center for Advanced Laser Technologies, Bucharest, Romania
Interests: physics and engineering of solid-state lasers; high power ultrafast laser systems; nonlinear optics; solid-state lasers in fundamental and applied research
* From 2013 to 2023, he worked as Senior Researcher at the Institute for Nuclear Physics and Engineering, ELI-NP. Currently he is a Senior Researcher at NILPRP. He is the author of 93 papers and a Senior Member of the Optical Society of America.

Special Issue Information

Dear Colleagues,

Since the invention of the chirped pulse amplification (CPA) and optical parametric CPA (OPCPA) techniques, the peak power of femtosecond lasers spectacularly increased from TW to multi-PW level. Recently, the limits of 10 PW peak power and 10^23 W/cm^2 intensity in a tightly focused laser beam were exceeded. To reach the target of 100 PW peak power and more than 10^24 W/cm^2 focused femtosecond pulse intensity, many efforts are being made in the worldwide scientific community of researchers and engineers working in the laser field. These advances are leading to exciting applications in basic and applied research. It becomes possible to carry out unique research in the field of laser particle acceleration, attosecond science, ultra-intense laser fields, nuclear physics, laser fusion. Lower-energy, high-repetition rate femtosecond laser systems continue to be a precious tool for biology, medicine and materials research, as well as laser-materials processing. We encourage submissions of research articles and review papers on femtosecond laser systems development, large size optical components technologies, and the use of ultrafast lasers both in fundamental science and applied research with social and economic impact.

Topics of interest include, but are not limited to, the following areas:

  • High power ultrafast laser systems based on CPA.
  • High power ultrafast laser systems based on OPCPA.
  • Advanced front-ends for the development of multi-PW class femtosecond laser systems.
  • Advanced devices for the improvement of the output pulse parameters of multi-PW class femtosecond laser systems.
  • New achievements in the way towards 100 PW class femtosecond lasers .
  • Large aperture optical components technologies.
  • Nonlinear optics techniques in high power ultrafast lasers.
  • Novel pump lasers for high power CPA and OPCPA laser systems.
  • Post-compression of high-power femtosecond laser pulses.
  • Synchronization and coherent beam combination of femtosecond laser pulses.
  • Tight focusing of high-power femtosecond laser pulses.
  • Spatiotemporal characterization of femtosecond laser pulses.
  • Extreme nonlinear optics.
  • Attosecond laser pulses generation.
  • Particles acceleration in ultra-intense laser field.
  • Nuclear physics using ultra-high power lasers.
  • Ultra-high power femtosecond lasers for the fusion energy ignition.
  • Ultrafast lasers material processing.
  • Micro/nano-technologies based on femtosecond laser pulses.
  • Ultrashort laser pulses application in biology, medical imaging and therapy.

We look forward to receiving your contributions

Dr. Razvan Dabu
Guest Editor

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Keywords

  • chirped pulse amplification
  • ultra-broadband optical parametric chirped pulse amplification
  • advanced front-ends of multi-PW lasers
  • hybrid amplification femtosecond laser systems
  • PW-class femtosecond lasers
  • ultrahigh intensity lasers
  • ultrafast laser systems modeling
  • high temporal intensity contrast
  • high energy nanosecond pump lasers
  • large aperture laser crystals
  • large aperture nonlinear crystals
  • high efficiency diffraction gratings
  • nonlinear optics
  • nonlinear pulse compression
  • coherent beam combination of femtosecond pulses
  • femtosecond laser pulses characterization
  • interaction of ultra-high intensity laser field with matter
  • laser plasma electrons acceleration
  • laser plasma ions acceleration
  • attosecond laser pulses
  • laser fusion
  • nano-technologies based on high-repetition rate femtosecond lasers
  • femtosecond lasers material processing

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Published Papers (1 paper)

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Review

19 pages, 5079 KiB  
Review
Advances in Design and Fabrication of Micro-Structured Solid Targets for High-Power Laser-Matter Interaction
by Florin Jipa, Laura Ionel and Marian Zamfirescu
Photonics 2024, 11(11), 1008; https://doi.org/10.3390/photonics11111008 - 25 Oct 2024
Viewed by 959
Abstract
Accelerated particles have multiple applications in materials research, medicine, and the space industry. In contrast to classical particle accelerators, laser-driven acceleration at intensities greater than 1018 W/cm2, currently achieved at TW and PW laser facilities, allow for much larger electric [...] Read more.
Accelerated particles have multiple applications in materials research, medicine, and the space industry. In contrast to classical particle accelerators, laser-driven acceleration at intensities greater than 1018 W/cm2, currently achieved at TW and PW laser facilities, allow for much larger electric field gradients at the laser focus point, several orders of magnitude higher than those found in conventional kilometer-sized accelerators. It has been demonstrated that target design becomes an important factor to consider in ultra-intense laser experiments. The energetic and spatial distribution of the accelerated particles strongly depends on the target configuration. Therefore, target engineering is one of the key approaches to optimizing energy transfer from the laser to the accelerated particles. This paper provides an overview of recent progress in 2D and 3D micro-structured solid targets, with an emphasis on fabrication procedures based on laser material processing. Recently, 3D laser lithography, which involves Two-Photon Absorption (TPA) effects in photopolymers, has been proposed as a technique for the high-resolution fabrication of 3D micro-structured targets. Additionally, laser surface nano-patterning followed by the replication of the patterns through molding, has been proposed and could become a cost-effective and reliable solution for intense laser experiments at high repetition rates. Recent works on numerical simulations have also been presented. Using particle-in-cell (PIC) simulation software, the importance of structured micro-target design in the energy absorption process of intense laser pulses—producing localized extreme temperatures and pressures—was demonstrated. Besides PIC simulations, the Finite-Difference Time-Domain (FDTD) numerical method offers the possibility to generate the specific data necessary for defining solid target material properties and designing their optical geometries with high accuracy. The prospects for the design and technological fabrication of 3D targets for ultra-intense laser facilities are also highlighted. Full article
(This article belongs to the Special Issue High-Power Ultrafast Lasers: Development and Applications)
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