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Instruments, Volume 4, Issue 3

September 2020 - 10 articles

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Articles (10)

  • Article
  • Open Access
2 Citations
6,045 Views
11 Pages

Design and Validation of a Portable Handheld Device to Produce Fine Fibers Using Centrifugal Forces

  • Gregory Potter,
  • Raul Barbosa,
  • Alexa Villarreal,
  • Alexandra Salinas,
  • Hector Guzman,
  • Heriberto De Leon,
  • Javier A. Ortega and
  • Karen Lozano

In the present research project, a novel portable battery-powered handheld device able to produce micron and submicron fibers using centrifugal forces is proposed. The design includes spinnerets with a clamshell configuration with multiple chambers o...

  • Article
  • Open Access
1 Citations
4,006 Views
17 Pages

Real-Time Accelerator Diagnostic Tools for the MAX IV Storage Rings

  • Bernhard Meirose,
  • Viktor Abelin,
  • Fredrik Bertilsson,
  • Benjamin E. Bolling,
  • Mathias Brandin,
  • Michael Holz,
  • Rasmus Høier,
  • Andreas Johansson,
  • Sebastian Kalbfleisch and
  • Per Lilja
  • + 7 authors

In this paper, beam diagnostic and monitoring tools developed by the MAX IV Operations Group are discussed. In particular, beam position monitoring and accelerator tunes visualization software tools, as well as tools that directly influence the beam...

  • Article
  • Open Access
2 Citations
3,012 Views
20 Pages

This note describes the application of Gaussian mixture regression to track fitting with a Gaussian mixture model of the position errors. The mixture model is assumed to have two components with identical component means. Under the premise that the a...

  • Article
  • Open Access
3 Citations
2,690 Views
10 Pages

A THz Spectrometer Using Band Pass Filters

  • Francesco Martini,
  • Ennio Giovine,
  • Fabio Chiarello and
  • Pasquale Carelli

We describe a THz spectrometer operating between 1.2 and 10.5 THz, consisting of band pass filters made by metasurfaces. The source is made of a 10 W small black body. The detector is a high sensitivity room temperature pyroelectric sensor. Various t...

  • Article
  • Open Access
2,137 Views
8 Pages

Flux as well as spatial and angular resolution for a microbeam small-angle X-ray scattering set-up, comprising Laue optics and multiple focusing elements are modeled within five-dimensional phase space analysis. A variety of X-ray optics configuratio...

  • Article
  • Open Access
7 Citations
6,324 Views
55 Pages

The emergence of a wide variety of relatively low-cost compact spectrometers has led to an increase in the use of spectroscopic techniques by researchers in a broad array of fields beyond those that have traditionally employed these analytical method...

  • Feature Paper
  • Article
  • Open Access
4,988 Views
27 Pages

Off-Axis Characterisation of the CERN T10 Beam for low Momentum Proton Measurements with a High Pressure Gas Time Projection Chamber

  • S.B. Jones,
  • T.S. Nonnenmacher,
  • E. Atkin,
  • G.J. Barker,
  • A. Basharina-Freshville,
  • C. Betancourt,
  • S.B. Boyd,
  • D. Brailsford,
  • Z. Chen-Wishart and
  • L. Cremonesi
  • + 26 authors

We present studies of proton fluxes in the T10 beamline at CERN. A prototype high pressure gas time projection chamber (TPC) was exposed to the beam of protons and other particles, using the 0.8 GeV/c momentum setting in T10, in order to make cross s...

  • Article
  • Open Access
5 Citations
3,769 Views
12 Pages

Infrared Wavefront Sensing for Adaptive Optics Assisted Galactic Center Observations with the VLT Interferometer and GRAVITY: Operation and Results

  • Stefan Hippler,
  • Wolfgang Brandner,
  • Silvia Scheithauer,
  • Martin Kulas,
  • Johana Panduro,
  • Peter Bizenberger,
  • Henry Bonnet,
  • Casey Deen,
  • Françoise Delplancke-Ströbele and
  • Frank Eisenhauer
  • + 8 authors

This article describes the operation of the near-infrared wavefront sensing based Adaptive Optics (AO) system CIAO. The Coudé Infrared Adaptive Optics (CIAO) system is a central auxiliary component of the Very Large Telescope (VLT) interferome...

  • Article
  • Open Access
2 Citations
2,708 Views
9 Pages

CT-Dose Measurement of the Spinal Cord Region Using XR-QA2 Radiochromic Films and TLD 100H Dosimeters

  • Martina Pace,
  • Giuseppe Stella,
  • Letizia Barone Tonghi,
  • Stefania Mazzaglia and
  • Anna Maria Gueli

The European Directive 2013/59/Euratom focuses on the radiation protection and patient dosimetry. In particular, the dose absorbed by serial organs such as the spinal cord due to diagnostic exams plays a crucial role in the appraisal of medical expos...

  • Article
  • Open Access
8 Citations
11,408 Views
27 Pages

Open-Source Digitally Replicable Lab-Grade Scales

  • Benjamin R. Hubbard and
  • Joshua M. Pearce

This study provides designs for a low-cost, easily replicable open-source lab-grade digital scale that can be used as a precision balance. The design is such that it can be manufactured for use in most labs throughout the world with open-source RepRa...

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Instruments - ISSN 2410-390X