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This paper presents experimental results that allow for the performance evaluation of a straight-line reference alignment system based on pseudo-nondiffracting Layer beams. Sensors, developed specifically for this system, feature four…

Measurements of Ion velocity distributions are one of basic goals of space plasma studies. There is variety of ion and electron spectrometers (e.g. Wuest et al, 2007, Young et al., 2007, Zurbuchen and Gershman, 2016, Vaisberg et al, 2016).…

Space Physics · Physics 2019-07-19 Oleg Vaisberg , Sergey Shuvalov

Full spectrum and holospectrum are homogenous information fusion technology developed for the fault diagnosis of rotating machinery, which is extensively exploited in the analysis of the orbits of rotor-bearing systems. However, they are…

Signal Processing · Electrical Eng. & Systems 2022-05-25 Xiaolong Cui , Jie Huang , Chaoshun Li , Yujie Zhao

This paper presents a computationally efficient and robust LiDAR-inertial odometry framework. We fuse LiDAR feature points with IMU data using a tightly-coupled iterated extended Kalman filter to allow robust navigation in fast-motion,…

Robotics · Computer Science 2021-04-15 Wei Xu , Fu Zhang

We present an innovative charge detector with high resolution and wide dynamic range designed to fulfill the requirements of a monitoring system for a high energy ion beam. The detector prototype, constructed using Si photodiodes and a…

This paper proposes a novel algorithm for vehicle speed-aided monocular visual-inertial localization using a topological map. The proposed system aims to address the limitations of existing methods that rely heavily on expensive sensors…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Chanuk Yang , Hayeon O , Kunsoo Huh

In recent years, the interest in high intensity proton beams in excess of several milli-Amperes has risen. Potential applications are in neutrino physics, materials and energy research, and isotope production. Continuous wave proton beams…

We have developed a novel all-optical broadband scheme for exciting, amplifying and measuring the secular motion of ions in a radio frequency trap. Oscillation induced by optical excitation has been coherently amplified to precisely control…

Atomic Physics · Physics 2015-06-05 Kevin Sheridan , Nicolas Seymour-Smith , Amy Gardner , Matthias Keller

The spatial sensitivity pattern of millimeter-wavelength receivers is an important diagnostic of performance and is affected by the alignment of coupling optics. Characterization can be challenging in the field, particularly in the…

We present the development and performance of a newly built recoil ion momentum spectrometer to study the fragmentation dynamics of ionized molecules. The spectrometer is based on the two-stage Wiley-McLaren geometry and satisfies both time…

Atomic Physics · Physics 2022-11-23 Avijit Duley , Rohit Tyagi , Sandeep B. Bari , A. H. Kelkar

We present a code to generate mock observations of 21 cm intensity mapping experiments. The emphasis of the code is on reducing the computational cost of running a full-blown simulation, trading computational time for accuracy. The code can…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-19 David Alonso , Pedro G. Ferreira , Mario G. Santos

This paper describes simulation analyses on beam and laser (X-ray)-driven accelerations in effective nanotube models obtained from Vsim and EPOCH codes. Experimental setups to detect wakefields are also outlined with accelerator facilities…

The development of high-resolution imaging radars introduce a plethora of useful applications, particularly in the automotive sector. With increasing attention on active transport safety and autonomous driving, these imaging radars are set…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Nihal Singh , Dibakar Sil , Ankit Sharma

The very recent years have seen a promising start in scientific publications making use of images produced by near-infrared long-baseline interferometry. The technique has reached, at last, a technical maturity level that opens new avenues…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 M. Benisty , J-P. Berger , L. Jocou , P. Labeye , F. Malbet , K. Perraut , P. Kern

Nonlinear optical microscopy allows rapid high-resolution microscopy with image contrast generated from intrinsic properties of the sample. Established modalities such as multiphoton excited fluorescence and second/third-harmonic generation…

Line intensity mapping (LIM) is rapidly emerging as a powerful technique to study galaxy formation and cosmology in the high-redshift Universe. We present LIM estimates of select spectral lines originating from the interstellar medium (ISM)…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-23 Rahul Kannan , Aaron Smith , Enrico Garaldi , Xuejian Shen , Mark Vogelsberger , Rüdiger Pakmor , Volker Springel , Lars Hernquist

Electron transport is of fundamental importance, and has application in a variety of fields. Different scattering mechanisms affect electron transport in solids. It is important to comprehensively understand these mechanisms and their…

Chemical Physics · Physics 2020-01-08 Oleg Kostko , Michael I. Jacobs , Bo Xu , Kevin R. Wilson , Musahid Ahmed

The interaction of an ultra-intense laser pulse with a near critical density target results in the formation of a plasma channel, a strong azimuthal magnetic field and moving vortices. An application of this is the generation of energetic…

In ion cancer therapy, high-intensity ion beams are used to treat tumors by taking advantage of the Bragg-Peak. Typical ion therapy centers use particle rates up to $10^{10}$ ions/second for treatment. On the other hand, such intensities…

Instrumentation and Detectors · Physics 2022-02-02 Manuel Christanell , Maximilian Tomaschek , Thomas Bergauer

Using three-dimensional particle-in-cell simulations, we further investigate the electron and ion acceleration from femtosecond laser-plasma peeler scheme which was proposed in our recent paper (Shen et al 2021 Phys. Rev. X 11 041002). In…

Plasma Physics · Physics 2023-02-15 X. F. Shen , A. Pukhov , B. Qiao
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