Physics of Particles and Nuclei Letters

, Volume 4, Issue 1, pp 92–95 | Cite as

A study of an air medium influence on the rectilinearity of laser ray proliferation towards the using for large distances and high-precision metrology

  • V. Batusov
  • J. Budagov
  • J. C. Gayde
  • J. Khubua
  • C. Lasseur
  • M. Lyablin
  • N. Russakovich
  • A. Sissakian
  • N. Topilin
Techniques of Physical Experiment

Abstract

The influence of a turbulent air medium on a laser beam space localization precision was studied experimentally. For a helium-neon one-mode laser LGN-302 and for a solid-state multimode laser DS-670, the laser ray coordinate measurement uncertainties were determined with 1 m step for the distances up to 9 m from the laser source. It was found that the σ values at 9 m distance are equal to σ(DS-670) = 21 μm and σ(LGN-302) = 12 μm. To reduce the turbulent air medium influence on the laser ray space localization precision, the laser beam was positioned inside a heat-isolating tube. Very significant decrease of σ values was achieved at 9 m from the source: σ*(DS-670) = 2 μm and σ*(LGN-302) = 2.5 μm. The work is made within a framework of a preparation to the creation of a high-precision large-distance laser metrology to be possibly used for long linear collider component alignment.

PACS numbers

29.17.+w 

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Copyright information

© Pleiades Publishing, Ltd. 2007

Authors and Affiliations

  • V. Batusov
    • 1
  • J. Budagov
    • 1
  • J. C. Gayde
    • 2
  • J. Khubua
    • 1
  • C. Lasseur
    • 2
  • M. Lyablin
    • 1
  • N. Russakovich
    • 1
  • A. Sissakian
    • 1
  • N. Topilin
    • 1
  1. 1.Joint Institute for Nuclear ResearchDubnaRussia
  2. 2.CERN, European Organization for Nuclear ResearchGenevaSwitzerland

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