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Related papers: Phosphorus cluster production by laser ablation

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Black phosphorus has been recently rediscovered as a new and interesting two-dimensional material due to its unique electronic and optical properties. Here, we study the linear and nonlinear optical properties of black phosphorus thin…

Nanostrucured Europium oxide and hydroxide films were obtained by pulsed Nd:Yag (532 nm) laser ablation of an Europium metallic target, in the presence of a 1 mbar Helium buffer atmosphere. Both the produced film and the ambient plasma were…

Nanoparticles of elemental Boron are generated for the first time by laser ablation of a sintered Boron target in liquid isopropanol and subsequent laser fragmentation of the suspension. For this purpose an ytterbium doped fiber laser was…

General Physics · Physics 2022-07-20 K. O. Aiyyzhy , E. V. Barmina , V. V. Voronov , G. A. Shafeev , G. G. Novikov , O. V. Uvarov

Polyynes are finite chains formed by sp-hybridized carbon atoms with alternating single and triple bonds and displaying intriguing electronic and optical properties. Pulsed laser ablation in liquid (PLAL) is a well assessed technique for…

We have investigated the all-optical generation of ions by photo-ionisation of atoms generated by pulsed laser ablation. A direct comparison between a resistively heated oven source and pulsed laser ablation is reported. Pulsed laser…

Atomic Physics · Physics 2011-06-14 Kevin Sheridan , Wolfgang Lange , Matthias Keller

Pulsed laser ablation is an increasingly prevalent method for fast ion trap loading of various species, however characteristics of the ablation target source material can affect the ion-loading process. One factor which can reduce the…

Atomic Physics · Physics 2024-11-14 Kevin D. Battles , Brian J. McMahon , Brian C. Sawyer

A novel scheme is presented for production of a thin ($<1$ mm) uniform vapor layer over a large surface area ($>100$ cm$^2$) by pulsed laser ablation of a solid surface. Instead of dispersing the laser energy uniformly over the surface, a…

Accelerator Physics · Physics 2015-06-26 P. I. Melnikov , B. A. Knyazev , J. B. Greenly

We investigate ablation experiments performed by laser-plasma-filament guided electrical discharges at high-voltages of up to 145 kV. The guiding was accomplished via fs-laser-generated plasma filaments across a gap of 201 mm of air onto…

Plasma Physics · Physics 2025-11-20 Kristian Cvecek , Markus Döring , Alexander Romboy , Johannes Heberle , Michael Schmidt

The possibility to observe vacuum electron-positron pair creation due to a powerful optical laser pulse is discussed. We employ a quantum kinetic formulation of the problem with a source term describing the vacuum pair production in a…

Plasma Physics · Physics 2007-05-23 D. B. Blaschke , A. V. Prozorkevich , S. A. Smolyansky , A. V. Tarakanov

Generation of ultrarelativistic polarized positrons during interaction of an ultrarelativistic electron beam with a counterpropagating two-color petawatt laser pulse is investigated theoretically. Our Monte Carlo simulation based on a…

As a galaxy evolves, its chemical composition changes and the abundance ratios of different elements are powerful probes of the underlying evolutionary processes. Phosphorous is an element whose evolution has remained quite elusive until…

Astrophysics of Galaxies · Physics 2015-05-28 E. Caffau , P. Bonifacio , R. Faraggiana , M. Steffen

A concept for the efficient generation of surface plasmon polaritons (SPPs) with a duration of very few cycles is presented. The scheme is based on grating coupling and laser pulses with wavefront rotation (WFR), so that the resonance…

Optics · Physics 2017-11-09 Francesco Pisani , Luca Fedeli , Andrea Macchi

Phosphorus abundances of ~80 apparently bright sharp-lined early-to-late B-type stars on the upper main sequence are determined by applying the non-LTE analysis to the P II line at 6043.084 A, with an aim of getting information on the P…

Solar and Stellar Astrophysics · Physics 2024-09-05 Yoichi Takeda

Mid-infrared saturable absorber mirror is successfully fabricated by transferring the mechanically exfoliated black phosphorus onto the gold-coated mirror. With the as-prepared black phosphorus saturable absorber mirror, a continuous-wave…

Optics · Physics 2015-09-23 Zhipeng Qin , Guoqiang Xie , Chujun Zhao , Shuangchun Wen , Peng Yuan , Liejia Qian

A diamond-like carbon circular target is proposed to improve the $\gamma$-ray emission and pair production with lasers intensity of $8\times 10^{22} ~\mathrm{W/cm^2}$ by using two-dimensional particle-in-cell simulations with quantum…

Plasma Physics · Physics 2019-09-04 Ya-Juan Hou , Bai-Song Xie , Chong Lv , Feng Wan , Li Wang , Nureli Yasen , Hai-Bo Sang , Guo-Xing Xia

The reactions of the low-lying metastable states of atomic phosphorus, P($^2$D) and P($^2$P), with H$_{2}$O and H$_{2}$ were studied by the pulsed laser photolysis at 248 nm of PCl$_{3}$ , combined with laser induced fluorescence detection…

Solar and Stellar Astrophysics · Physics 2022-06-29 Kevin M. Douglas , David Gobrecht , John M. C. Plane

High order harmonic generation from clusters is a controversial topic: conflicting theories exist, with different explanations for similar experimental observations. From an experimental point of view, separating the contributions from…

Atomic and Molecular Clusters · Physics 2015-06-12 H. Ruf , C. Handschin , R. Cireasa , N. Thiré , A. Ferré , S. Petit , D. Descamps , E. Mével , E. Constant , V. Blanchet , B. Fabre , Y. Mairesse

In this work, solid targets made from boron and boron nitride (BN) materials are ablated by a nanosecond pulsed laser at sub-atmospheric pressures of nitrogen and helium gases. Excited species in the ablation plume from the target are…

Plasma Physics · Physics 2020-10-28 Shurik Yatom , Yevgeny Raitses

Electron-positron pair creation in a standing wave is explored using a parameter-free quantum kinetic equation. Field strengths and frequencies corresponding to modern optical lasers induce a material polarisation of the QED vacuum, which…

Nuclear Theory · Physics 2010-03-04 D. B. Blaschke , A. V. Prozorkevich , C. D. Roberts , S. M. Schmidt , S. A. Smolyansky

We report on the laser-driven generation of purely neutral, relativistic electron-positron pair plasmas. The overall charge neutrality, high average Lorentz factor ($\gamma_{e/p} \approx 15$), small divergence ($\theta_{e/p} \approx 10 -…