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Quantum Beam Science, Volume 6, Issue 3

2022 September - 5 articles

Cover Story: To focus the pulsed neutron beam in a time-of-flight small angle neutron scattering (TOF-SANS) instrument without chromatic aberration, the focusing power of the lens should be synchronized with the neutron pulse. A compact Nested Rotate Sextupole Permanent Magnet (Nest-Rot-SPM) Lens was designed based on the working conditions of the Very Small Angle Neutron Scattering (VSANS) instrument at the China Spallation Neutron Source (CSNS), and it is expected to focus pulsed neutrons from 6 Å to 10.5 Å. Technical challenges, i.e., the tremendous torque, heat deposition, and synchronization with the neutron pulse, are to be tackled to bring the device into practical use. View this paper
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Articles (5)

  • Article
  • Open Access
5 Citations
4,438 Views
16 Pages

19 September 2022

Since the nuclear energy leakage that occurred at the Fukushima nuclear power plant in Japan, people have paid more attention to the danger of environmental radiation. Environmental radiation is monitored using Geiger counters, which are not easy to...

  • Article
  • Open Access
2 Citations
3,378 Views
11 Pages

Transmission Bender as an Analyzer Device for MIEZE

  • Johanna K. Jochum,
  • Jos F. K. Cooper,
  • Lukas M. Vogl,
  • Peter Link,
  • Olaf Soltwedel,
  • Peter Böni,
  • Christian Pfleiderer and
  • Christian Franz

MIEZE (Modulation of IntEnsity with Zero Effort) spectroscopy is a high-resolution spin echo technique optimized for the study of magnetic samples and samples under depolarizing conditions. It requires a polarization analyzer in between spin flippers...

  • Article
  • Open Access
4 Citations
2,777 Views
15 Pages

Further Optimized Design of a Nested Rotate Sextupole Permanent Magnet Lens for the Focusing of Pulsed Neutrons

  • Taisen Zuo,
  • Zhanjiang Lu,
  • Changdong Deng,
  • Songwen Xiao,
  • Yongcheng He,
  • Zhenqiang He,
  • Xiong Lin,
  • Changli Ma,
  • Zehua Han and
  • He Cheng

A compact nested rotate sextupole permanent magnet (Nest-Rot-SPM) lens was designed for the focusing of pulsed neutrons. It is based on the working conditions of the Very Small Angle Neutron Scattering (VSANS) instrument at the China Spallation Neutr...

  • Article
  • Open Access
5 Citations
4,787 Views
11 Pages

Blue Diode Laser Welding of Commercially Pure Titanium Foils

  • Tim Pasang,
  • Pai-Chen Lin,
  • Wojciech Z. Misiolek,
  • Jia-Yuan Wei,
  • Shinichiro Masuno,
  • Masahiro Tsukamoto,
  • Eiji Hori,
  • Yuji Sato,
  • Yuan Tao and
  • Salahuddin Yunus
  • + 1 author

The need for thin foil welding is increasing significantly, particularly in the electronic industries. The technologies that are currently available limit the joining processes in terms of materials and their geometries. In this paper, a series of tr...

  • Article
  • Open Access
10 Citations
4,791 Views
13 Pages

Laser Cleaning as Novel Approach to Preservation of Historical Books and Documents on a Paper Basis

  • Vadim Parfenov,
  • Alexander Galushkin,
  • Tatiana Tkachenko and
  • Vladimir Aseev

The purpose of this work is the study of laser cleaning of historical paper. The effect of laser exposure of the paper reflectance, fracture resistance and acidity was investigated. The paper surface roughness before and after laser treatment was ana...

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Quantum Beam Sci. - ISSN 2412-382X