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Related papers: Purity of vector vortex beams through a birefringe…

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A novel approach based on the two-channel moir\'e deflectometry has been used to measure both wave-front and transverse component of the Poynting vector of an optical vortex beam. Generated vortex beam by the q-plate, an inhomogeneous…

Thick epitaxial layers have been grown using Low Pressure Vapour Phase Epitaxy techniques with low free carrier concentrations . This type of material is attractive as a medium for X-ray detection, because of its high conversion efficiency…

Instrumentation and Detectors · Physics 2009-10-30 R. Adams , R. Bates , C. Da Via , N. P. Johnson , V. O'Shea , A. Pickford , C. Raine , K. Smith

We report a proof-of-principle experiment where the refractive index of an atomic vapor is enhanced while maintaining vanishing absorption of the beam. The key idea is to drive alkali atoms in a vapor with appropriate control lasers and…

Quantum Physics · Physics 2009-01-09 N. A. Proite , B. E. Unks , J. T. Green , D. D. Yavuz

The ability to create dynamic, tailored optical potentials has become important across fields ranging from biology to quantum science. We demonstrate a method for the creation of arbitrary optical tweezer potentials using the broadband…

Optics · Physics 2020-07-16 A. T. M. Anishur Rahman , P. F. Barker

Orbital angular momentum (OAM) light beams for high-order harmonic generation (HHG) provide an additional degree of freedom to study the light-matter interaction at ultrafast timescales. A more sophisticated configuration is a perfect…

Optics · Physics 2024-10-01 Bikash Kumar Das , C. Granados , M. Krüger , Marcelo F. Ciappina

The output of an automated theorem prover is usually presented by using a text format, they are often too heavy to be understood. In model checking setting, it would be helpful if one can observe the structure of models and the verification…

Logic in Computer Science · Computer Science 2017-02-16 Jian Liu , Ying Jiang , Yanyun Chen , Qing Zhou

Research activities on laser plasma accelerators are paved by many significant breakthroughs. This review article provides an opportunity to show the incredible evolution of this field of research which has, in record time, allowed…

Plasma Physics · Physics 2011-12-22 V. Malka

We realize a robust and compact cylindrical vector beam generator which consists of a simple two-element interferometer composed of a beam displacer and a cube beamsplitter. The interferometer operates on the higher-order Poincare sphere…

Tomographic Volumetric Additive Manufacturing (TVAM) is a light-based 3D printing technique capable of producing centimeter-scale objects within seconds. A key challenge lies in the calculation of projection patterns under non-standard…

Visible Light Communication (VLC) using Light Emitting Diodes (LEDs) has gained attention due to its low power consumption, long lifetime, and fast response. However, VLC suffers from optical noise generated by ambient light sources such as…

Networking and Internet Architecture · Computer Science 2026-02-23 Wataru Uemura , Takumi Hamano

We present both modeling and computational advancements to a unique three-dimensional discontinuous Petrov-Galerkin finite element model for the simulation of laser amplification in a fiber amplifier. Our model is based on the time-harmonic…

Numerical Analysis · Mathematics 2021-02-02 Stefan Henneking , Jacob Grosek , Leszek Demkowicz

In vacuum high-intensity lasers can cause photon-photon interaction via the process of virtual vacuum polarization which may be measured by the phase velocity shift of photons across intense fields. In the optical frequency domain, the…

High Energy Physics - Phenomenology · Physics 2015-05-27 Kensuke Homma , Dieter Habs , Toshiki Tajima

This paper describes the construction and performance of a VUV-simulator that has been designed to study degradation of materials under space conditions. It is part of the Complex Irradiation Facility at DLR in Bremen, Germany, that has…

Instrumentation and Detectors · Physics 2014-06-09 Maciej Sznajder , Thomas Renger , Andreas Witzke , Ulrich Geppert , Reiner Thornagel

A critical technology for high-volume manufacturing of nanoscale integrated circuits is a high-power extreme ultraviolet (EUV) light source. Over the past decades, laser-produced plasma (LPP) sources have been actively utilized in this…

Accelerator Physics · Physics 2025-01-27 Changchao He , Hanxiang Yang , Nanshun Huang , Bo Liu , Haixiao Deng

Kilowatt-level high efficiency all-fiberized Raman fiber amplifier based on pure passive fiber is proposed for the first time in this paper. The laser system is established on master oscillator power amplification configuration while a…

Optics · Physics 2018-11-15 Yizhu Chen , Jinyong Leng , Hu Xiao , Tianfu Yao , Pu Zhou

We present the development of a high power fibre laser system to investigate its suitability for use in a transverse electron beam profile monitor i.e. a laserwire. A system capable of producing individual pulses up to $165.8 \pm 0.4 \mu$J…

Accelerator Physics · Physics 2014-06-10 L. J. Nevay , R. Walczak , L. Corner

Parametric amplification is an interesting way of artificially increasing a MEMS Quality factor and could be helpful in many kinds of applications. This paper presents a theoretical study of this principle, based on Matlab/Simulink…

Other Computer Science · Computer Science 2008-02-22 L. Grasser , H. Mathias , F. Parrain , X. Le Roux , J. -P. Gilles

High-power electron beams are sought-after tools in support to a wide array of societal applications. This paper investigates the production of high-power electron beams by combining a high-current field-emission electron source to a…

Accelerator Physics · Physics 2018-12-26 O. Mohsen , I. Gonin , R. Kephart , T. Khabiboulline , P. Piot , N. Solyak , J. C. Thangaraj , V. Yakovlev

We clarify how intense laser irradiation leads to an enhancement of rare processes that may occur within atoms. Non-perturbative calculation using a coherent laser beam gives an exact, time dependent formula of the enhancement factor in the…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Yoshimura

Absorption induced transparency is an optical phenomenon that occurs in metallic arrays of nanoholes when materials featuring narrow lines in their absorption spectra are deposited on top of it. First reported in the visible range, using…

Optics · Physics 2021-09-22 Sergio G Rodrigo