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- Title
High-precision small-scale laser focal spot measurements.
- Authors
Lu, Z.W.; Liu, X.Y.; Wang, X.; Ba, D.X.; Jiang, Z.H.; Du, P.Y.; Zhu, C.Y.
- Abstract
In this paper, a method of two-dimensional fine-scanning with charge coupled device has been conducted to precisely measure spatial position and intensity distribution of small-scale focal spot (diameter in microns). The measurement accuracy of the small-scale focal spot position is better than 1 µm when the fluctuations of the light energy and background noise are relatively small. The theoretical analysis is consistent with the experimental results.
- Subjects
DISTRIBUTION (Probability theory); CHARGE coupled devices; FLUCTUATIONS (Physics); LIGHT; NOISE; TWO-dimensional models; SPATIAL analysis (Statistics)
- Publication
Laser & Particle Beams, 2013, Vol 31, Issue 1, p177
- ISSN
0263-0346
- Publication type
Article
- DOI
10.1017/S0263034612001073