Effects of scanning speed on the laser beam profile measurements by vibrating wire

被引：0
|
作者：
S. G. Arutunian
G. S. Harutynyan
D. Choe
M. Chung
E. G. Lazareva
A. V. Margaryan
机构：
[1] Alikhanyan National Scientific Laboratory,
[2] Ulsan National Institute of Science and Technology,undefined
来源：
Journal of Contemporary Physics (Armenian Academy of Sciences) | 2017年 / 52卷
关键词：
vibrating wire monitor; laser beam; oscillation frequency;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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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页码：366 / 374
页数：8
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