Results 61 to 70 of about 655,925 (317)

Microbunching And Coherent Acceleration Of Electrons By Subcycle Laser Pulses [PDF]

open access: yes, 1997
The pick up and acceleration of all plasma electrons irradiated by an intense, subcyclic laser pulse is demonstrated via analytical and numerical calculations.
Hojo, H., Rau, B., Tajima, T.
core   +2 more sources

Cutaneous Melanoma Drives Metabolic Changes in the Aged Bone Marrow Immune Microenvironment

open access: yesAging and Cancer, EarlyView.
Melanoma, the deadliest form of skin cancer, increasingly affects older adults. Our study reveals that melanoma induces changes in iron and lipid levels in the bone marrow, impacting immune cell populations and increasing susceptibility to ferroptosis.
Alexis E. Carey   +12 more
wiley   +1 more source

Bright X-ray source from a laser-driven micro-plasma-waveguide

open access: yes, 2015
Owing to the rapid progress in laser technology, very high-contrast femtosecond laser pulses of relativistic intensities become available. These pulses allow for interaction with micro-structured solid-density plasma without destroying the structure by ...
Pukhov, Alexander   +3 more
core   +1 more source

Design considerations for the use of laser-plasma accelerators for advanced space radiation studies [PDF]

open access: yes, 2012
We present design considerations for the use of laser-plasma accelerators for mimicking space radiation and testing space-grade electronics. This novel application takes advantage of the inherent ability of laser-plasma accelerators to produce particle ...
B. HIDDING   +5 more
core   +1 more source

β‐Catenin/c‐Myc Axis Modulates Autophagy Response to Different Ammonia Concentrations

open access: yesAdvanced Biology, Volume 9, Issue 3, March 2025.
Ammonia, detoxified by the liver into urea and glutamine, impacts autophagy differently at varying levels. Low ammonia activates autophagy via c‐Myc and β‐catenin, while high levels suppress it. Using Huh7 cells and Spf‐ash mice, c‐Myc's role in cytoprotective autophagy is revealed, offering insights into hyperammonemia and potential therapeutic ...
S. Sergio   +11 more
wiley   +1 more source

Plasma Expansion in Laser-Target Interaction Process [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2012
In this paper, the behavior of temperature, density, velocity and pressure of the plasma shock front produced by the interaction of a focused Nd:YAG laser beam on a copper target, with an average pulsewidth of 30ns and 140mJ laser energy, have been ...
A.H Farahbod, M Afshari, E Agayari
doaj  

Identification of Coupling Mechanisms between Ultraintense Laser Light and Dense Plasmas

open access: yesPhysical Review X, 2019
The interaction of intense laser beams with plasmas created on solid targets involves a rich nonlinear physics. Because such dense plasmas are reflective for laser light, the coupling with the incident beam occurs within a thin layer at the interface ...
L. Chopineau   +9 more
doaj   +1 more source

Determination of plasma screening effects for thermonuclear reactions in laser-generated plasmas

open access: yes, 2017
Due to screening effects, nuclear reactions in astrophysical plasmas may behave differently than in the laboratory. The possibility to determine the magnitude of these screening effects in colliding laser-generated plasmas is investigated theoretically ...
Pálffy, Adriana, Wu, Yuanbin
core   +1 more source

Laser Shaping and Optimization of the Laser-Plasma Interaction [PDF]

open access: yes, 2000
The physics of energy transfer between the laser and the plasma in laser wakefield accelerators is studied. We find that wake excitation by arbitrary laser shapes can be parameterized using the total pulse energy and pulse depletion length.
Chen, Pisin, Spitkovsky, Anatoly
core   +3 more sources

Enhancing Corrosion Resistance and Mechanical Strength of 3D‐Printed Iron Polylactic Acid for Marine Applications via Laser Surface Texturing

open access: yesAdvanced Engineering Materials, EarlyView.
Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat   +6 more
wiley   +1 more source

Home - About - Disclaimer - Privacy