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We demonstrate how the shape of femtosecond laser pulses can be tailored in order to obtain maximal ionization of atoms or molecules. For that purpose, we have overlayed a direct-optimization scheme on top of a fully unconstrained…

Computational Physics · Physics 2015-05-13 A. Castro , E. Rasanen , A. Rubio , E. K. U. Gross

Ultrahigh peak power femtosecond laser pulses create extreme states of matter that are currently being probed with great interest. Plasma optics have been proposed for shaping and amplifying high-power pulses, but they are subject to huge…

Timing systems based on Analog-to-Digital Converters are widely used in the design of previous high energy physics detectors. In this paper, we propose a new method based on deep learning to extract the time information from a finite set of…

Data Analysis, Statistics and Probability · Physics 2019-04-02 Pengcheng Ai , Dong Wang , Guangming Huang , Ni Fang , Deli Xu , Fan Zhang

We experimentally demonstrate temporal reshaping of optical waveforms in the telecom wavelength band using the principle of quantum frequency conversion. The reshaped optical pulses do not undergo any wavelength translation. The interaction…

Quantum Physics · Physics 2017-02-28 Paritosh Manurkar , Nitin Jain , Prem Kumar , Gregory S. Kanter

A front-end waveform digitization data acquisition system prototype for pulsed magnetic field generator in inertial confinement fusion is described. The pulse magnetic field is created by discharging a high-voltage capacitor through a small…

Instrumentation and Detectors · Physics 2018-06-12 Zhou He , Lian Chen , Feng Li , Weigang Yin , Ge Jin

The computation of correspondences between shapes is a principal task in shape analysis. To this end, methods based on partial differential equations (PDEs) have been established, encompassing e.g. the classic heat kernel signature as well…

Numerical Analysis · Mathematics 2023-12-22 Alexander Köhler , Michael Breuß

We report on the spatially resolved full amplitude and phase characterization of mid-infrared high intensity laser pulses generated in a three stage OPA. We use a spatially-encoded arrangement (SEA-)SPIDER with spectral filters for ancilla…

A pump-probe polarimetric technique is demonstrated, which provides a complete, temporally and spatially-resolved mapping of the megagauss magnetic fields generated in intense short-pulse laser-plasma interactions. A normally-incident…

We present a technique to automatically classify the wave type of seismic phases that are recorded on a single six-component recording station (measuring both three components of translational and rotational ground motion) at the earth's…

Geophysics · Physics 2023-03-01 David Sollberger , Nicholas Bradley , Pascal Edme , Johan O. A. Robertsson

We propose a new recursive method for simultaneous estimation of both the pose and the shape of a three-dimensional extended object. The key idea of the presented method is to represent the shape of the object using spherical harmonics,…

Robotics · Computer Science 2020-12-29 Gerhard Kurz , Florian Faion , Florian Pfaff , Antonio Zea , Uwe D. Hanebeck

Maxwell's equations are cast in the form of the Schr\"{o}dinger equation. The Lanczos propagation method is used in combination with the fast Fourier pseudospectral method to solve the initial value problem. As a result, a time-domain,…

Computational Physics · Physics 2007-05-23 Andrei G. Borisov , Sergei V. Shabanov

One of the solutions of depth imaging of moving scene is to project a static pattern on the object and use just a single image for reconstruction. However, if the motion of the object is too fast with respect to the exposure time of the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-03 Yuki Shiba , Satoshi Ono , Ryo Furukawa , Shinsaku Hiura , Hiroshi Kawasaki

The investigation of paramagnetic species (such as point defects, dopants, and impurities) in solid-state electronic devices is significant because of their effect on device performance. Conventionally, these species are detected and imaged…

Materials Science · Physics 2015-05-20 Itai Katz , Matthias Fehr , Alexander Schnegg , Klaus Lips , Aharon Blank

Numerous techniques have been demonstrated for effective generation of orbital angular momentum-carrying radiation, but intracavity generation of continuously tunable pulses in the femtosecond regime remains challenging. Even if such a…

Optics · Physics 2019-12-10 Tiancheng Huo , Li Qi , Jason J. Chen , Yusi Miao , Yan Li , Zhikai Zhu , Zhongping Chen

Quantum optical metrology aims to identify ultimate sensitivity bounds for the estimation of parameters encoded into quantum states of the electromagnetic field. In many practical applications, including imaging, microscopy, and remote…

Quantum Physics · Physics 2023-02-15 Giacomo Sorelli , Manuel Gessner , Nicolas Treps , Mattia Walschaers

Multi-energy systems have been leaping forward for its various benefits, e.g., energy conservation and emission reduction. Coupling components are capable of transmitting energy from one time scale system to another time scale system, so…

Systems and Control · Electrical Eng. & Systems 2020-08-18 Chao Yang , Yucai Zhu

Polarimetric imaging, a technique that captures the invisible polarization-related properties of given materials, has broad applications from fundamental physics to advanced fields such as target recognition, stress detection, biomedical…

It is proposed to use apertures with large acceptance angles to reduce the integration time when studying the emissivity of laser induced plasmas by means of the Abel inversion method. The spatial resolution lost due to contributions of…

Plasma Physics · Physics 2010-08-02 Sergei Shabanov , Igor Gornushkin

A method evaluating the sensitivity of a given parameter to topological changes is proposed within the method of moments paradigm. The basis functions are used as degrees of freedom which, when compared to the classical pixeling technique,…

Computational Physics · Physics 2019-03-07 Miloslav Capek , Lukas Jelinek , Mats Gustafsson

A functional approach to the concept of pulse shape synthesis introduced here. This paper reviews some of the mechanisms influencing the process of signal induction, and the solution of electric field and charge carriers drift phenoma are…

Instrumentation and Detectors · Physics 2009-04-30 Patrice Medina , Cayetano Santos , Denis Villaume
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