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Laser-Driven Electron Acceleration by q-Gaussian Laser Pulse in Plasma: Effect of Self-Focusing
A scheme for electron acceleration by self-focused q -Gaussian laser pulses in under-dense plasma has been presented. The relativistic increase in the...
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Hardness enhancement by laser modification of titanium under an auxiliary graphite layer
The present article investigates the effect of graphite powder layers on the titanium surface layer during the treatment by the laser-induced...
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Remote Recognition of Materials Using Laser Photothermal Radiometry
The feasibility of recognizing opaque materials in remote objects using pulsed laser photothermal radiometry with prolonged pulsed exposure is...
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Efficient Continuous-Wave Ho : LSO Laser Dual-End-Pumped by a Laser Diode at 1.94 μm
For the first time, to the best of our knowledge, we demonstrate an efficient continuous-wave Ho : LSO laser dual-end-pumped by a fiber-coupled laser...
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Effect of Laser Processing on Impact Resistance of Steel Coating
The paper investigates the influence of gas dynamic cold spraying followed by laser processing of stainless steel samples on their dynamic...
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Max Phase Chromium–Titanium–Aluminum Carbide for Ultrafast Laser Generation in the 1.55 μm Range
We formally generate picosecond laser pulses in an Erbium-doped fiber laser (EDFL) by incorporating a new type of a saturable absorber (SA) with...
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European X-ray Free-Electron Laser
AbstractThe review is devoted to the launching of the European X-ray Free Electron Laser (XFEL). The history of development and operation principles...
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R&D of carbon monoxide lasers at the Lebedev physical institute of the Russian academy of sciences (review)
The research studies of e-beam sustained discharge gas lasers initiated by Nikolai Basov in early 1970s made it possible to develop lasers based on...
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Characteristics and Development Status of Laser Shock Peening
The absorption layer on the metal surface absorbs the laser energy and explodes and evaporates, producing plasma with high temperature (>10000 K) and...
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Photoconductive Semiconductor Switch Behavior in Multifilament Mode Under 532 nm Laser Irradiation
The paper focuses on the photoconductive semiconductor switch (PCSS) triggered by the laser diode. The pulse edge of the output voltage of about 760...
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Nanoparticles Generated in Magnetic Field by Laser-Induced Plasma
In certain conditions, plasma processes lead to the formation of a dispersed phase. A phase transformation is associated with the formation of a...
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Magnetic System of a Sub-Gigawatt Free-Electron Laser of the Terahertz Range Based on a Kiloampere Beam of Relativistic Electrons
We consider the project of a sub-gigawatt free-electron laser (FEL) in the THz range based on a high-current electron beam proposed in 2020 by a...
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Numerical Simulation and Experimental Study of Nanosecond Pulsed Laser Cleaning of Aluminum Alloy Surface Paint Layer
In this paper, we present a finite element model that utilizes simulation software to simulate the process of moving nanosecond pulsed laser cleaning...
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High-Energy Nd :YAG Laser Technology Based on Dust-Cloud Pyrotechnic Pum**
To overcome the low efficiency of traditional pyrotechnic solid-state laser energy conversion, we design a dust cloud pyrotechnic-pumped Nd :YAG...
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Laser and Electron-Beam Surface Processing on NiTi Shape Memory Alloys: A Review
The review summarizes the progress achieved in the surface modification of NiTi shape memory alloys (SMAs) with laser and electron beams in terms of...
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Direct Laser Writing of Microscale 3D Structures: Morphological and Mechanical Properties
Microscale 3D structure realization nowadays is possible due to the direct laser writing (DLW)-photolithography. The DLW-photolithography technology...
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Optical and Color Modification in Polycarbonate/ZnS-NiO Nanocomposite Films Due to Laser Exposure
We fabricate a nanocomposite (NC) of polycarbonate (PC), Zinc sulfide (ZnS) and Nickel oxide (NiO) nanoparticle by the sol-gel and ex-situ casting...
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Effects of Plasma Plumes by Pulsed Laser Irradiating Centimeter-Level Space Debris
Our aim in this paper is to address the effects of plasma expansion plumes by pulsed laser irradiating the centimeter-level space debris. A dynamic...
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Research Reactor PIK: The First Experiments
AbstractThe parameters and current status of development of the highest-power neutron source of the PIK research reactor (Petersburg Nuclear Physics...
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Kerr Effect as a Mode Locker in Er-Doped Fiber Laser
We propose and demonstrate a passively mode-locked all-fiber laser utilizing a multimode interference effect in graded-index multimode fiber (GIMF)....