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Author

Chung, Moses
Intense Beam and Accelerator Laboratory (IBAL)
Research Interests
  • Accelerator, beam physics and diagnostics, plasma

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Effects of Scanning Speed on the Laser Beam Profile Measurements by Vibrating Wire

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Title
Effects of Scanning Speed on the Laser Beam Profile Measurements by Vibrating Wire
Author
Arutunian, S.G.Harutynyan G.S.Choe, DongnyungChung, MosesLazareva, E.G.Margaryan, A.V.
Keywords
vibrating wire monitor; laser beam; oscillation frequency
Issue Date
201710
Publisher
ALLERTON PRESS INC
Citation
JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES, v.52, no.4, pp.366 - 374
Abstract
For measuring laser beam profiles, a vibrating wire monitor (VWM) has been introduced. The measurements were carried out at different speeds of scan. Preliminary estimates were made for the calculation of the VWM response times with respect to the thermal losses along the wire, and radiative and convective losses. These estimates, however, do not determine the difference between the beam profile and the frequency response of the VWM for a given scan rate. To evaluate the reliability of the frequency response of the VWM, comparisons between forward and reverse beam scans at different speeds have been used. The results of these scans are used to correct the thermal inertia in the frequency response of the VWM.
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DOI
http://dx.doi.org/10.3103/S1068337217040090
ISSN
1068-3372
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