Laser Interaction with Materials

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optical Interaction Science".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 4528

Special Issue Editor


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Guest Editor
Photonic Associates, Santa Fe, NM 87508, USA
Interests: laser interaction with surfaces, modeling and measurements; design of high-energy laser systems for fusion and propulsion; optical diagnostics of plasmas, and general plasma physics; chemistry of the global environment; nonlinear optics of materials, theory and application; magneto-optics in semiconductors

Special Issue Information

Dear Colleagues,

In the U.S., we are entering a new decade with a new administration, offering a unique possibility for new programs that can apply lasers to world problems. We welcome proposals that are novel, creative, and reversible in case of unintended consequences in the following areas:

  • Laser debris removal - close to a perfect solution for dangerous clouds of orbital debris, as well as for predicting and preventing future collisions
  • Laser-driven particle acceleration
  • Machining with ultrafast lasers
  • Using laser-induced shocks for materials properties studies
  • Novel uses for lasers in additive manufacturing (so-called 3D printing)
  • Lasers in dentistry and orthopedics
  • Lasers in space, laser cannons, laser launching to explore nearby space, ultrafast lasers for orbit metrics, laser nudging to prevent collisions, laser clearing of GEO parking spaces
  • Laser defense applications
  • Pulsed laser deposition, matrix-assisted pulsed laser evaporation, laser printing of biological systems

Dr. Claude R. Phipps
Guest Editor

Manuscript Submission Information

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Published Papers (2 papers)

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Research

10 pages, 3552 KiB  
Article
Improving Multiphoton Microscopy by Combining Spherical Aberration Patterns and Variable Axicons
by Juan M. Bueno, Geovanni Hernández, Martin Skorsetz and Pablo Artal
Photonics 2021, 8(12), 573; https://doi.org/10.3390/photonics8120573 - 13 Dec 2021
Cited by 1 | Viewed by 1964
Abstract
Multiphoton (MP) microscopy is a well-established method for the non-invasive imaging of biological tissues. However, its optical sectioning capabilities are reduced due to specimen-induced aberrations. Both the manipulation of spherical aberration (SA) and the use of axicons have been reported to be useful [...] Read more.
Multiphoton (MP) microscopy is a well-established method for the non-invasive imaging of biological tissues. However, its optical sectioning capabilities are reduced due to specimen-induced aberrations. Both the manipulation of spherical aberration (SA) and the use of axicons have been reported to be useful techniques to bypass this limitation. We propose the combination of SA patterns and variable axicons to further improve the quality of MP microscopy images. This approach provides enhanced images at different depth locations whose quality is better than those corresponding to the use of SA or axicons separately. Thus, the procedure proposed herein facilitates the visualization of details and increases the depth observable at high resolution. Full article
(This article belongs to the Special Issue Laser Interaction with Materials)
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6 pages, 1061 KiB  
Article
Computational Modeling and Simulation to Increase Laser Shooting Accuracy of Autonomous LEO Trackers
by Jose M. Gambi, Maria L. Garcia del Pino, Jonathan Mosser and Ewa B. Weinmüller
Photonics 2021, 8(2), 55; https://doi.org/10.3390/photonics8020055 - 18 Feb 2021
Cited by 4 | Viewed by 2078
Abstract
In this paper, we introduce a computational procedure that enables autonomous LEO laser trackers endowed with INSs to increase the current accuracy when shooting at middle distant medium-size LEO debris targets. The code is designed for the trackers to throw the targets into [...] Read more.
In this paper, we introduce a computational procedure that enables autonomous LEO laser trackers endowed with INSs to increase the current accuracy when shooting at middle distant medium-size LEO debris targets. The code is designed for the trackers to throw the targets into the atmosphere by means of ablations. In case that the targets are eclipsed to the trackers by the Earth, the motions of the trackers and targets are modeled by equations that contain post-Newtonian terms accounting for the curvature of space. Otherwise, when the approaching targets become visible for the trackers, we additionally use more accurate equations, which allow to account for the local bending of the laser beams aimed at the targets. We observe that under certain circumstances the correct shooting configurations that allow to safely and efficiently shoot down the targets, differ from the current estimations by distances that may be larger than the size of many targets. In short, this procedure enables to estimate the optimal shooting instants for any middle distant medium-size LEO debris target. Full article
(This article belongs to the Special Issue Laser Interaction with Materials)
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