Focus measurement of electron linear accelerator

su zhi-jun; xin jian; jia qing-long

Volume 19 Issue 11

Nov. 2007

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(11): 0-

wang shao-guang, wei guang-hui, chen ya-zhou, et al. Radiation effects of ultra-wide spectrum on radio fuze and its protection[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

su zhi-jun, xin jian, jia qing-long. Focus measurement of electron linear accelerator[J]. High Power Laser and Particle Beams, 2007, 19.

wang shao-guang, wei guang-hui, chen ya-zhou, et al. Radiation effects of ultra-wide spectrum on radio fuze and its protection[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

su zhi-jun, xin jian, jia qing-long. Focus measurement of electron linear accelerator[J]. High Power Laser and Particle Beams, 2007, 19.

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Focus measurement of electron linear accelerator

1.
Unit 96630 of People’s Liberation Army,Beijing 102206,China

Publish Date: 2007-11-15

Abstract

Abstract

Many personal factors would influence the result of the focus measurement of linear accelerator using the conventional sandwich method. This paper presents a modified method which applies a film scanning meter to scan the X-ray image film got by sandwich method for obtaining a greyscale distribution, then the full width at half maximum value of greyscale distribution represents the focus size. The method can eliminates disadvantage influence from accelerator radiant field asymmetry by quadratic polynomial fitting and measures peak width at half height instead of stripe statistic.
- linear accelerator,
- focus measurement,
- sandwich method,
- greyscale scanning

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