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Influence of the incident wave-front on intensity distribution nondiffracting beam used in large-scale measurement

Wang, Kaiwei, Zeng, L. and Yin, C. (2003) Influence of the incident wave-front on intensity distribution nondiffracting beam used in large-scale measurement. Optics Communications, 216. pp. 99-103. ISSN 0030-4018

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Abstract

Nondiffracting beam is suitable for large-scale straightness measurement because it is much less influenced by atmospheric turbulence than other beams. Based on the energy conservation theory, a binary optical element (BOE) that is used to transform an incident plane wave or divergent spherical wave into a nondiffracting beam was fabricated. We compared intensity distribution of the nondiffracting beam at different propagation distances between a plane wave incidence and a divergent spherical wave incidence based on the scalar diffraction theory and experiment results, and found that by using the same BOE, the propagation range of nondiffracting beam generated by a divergent spherical wave is longer than that generated by a plane wave.

Item Type: Article
Additional Information: UoA 25 (General Engineering) Copyright © 2007 Elsevier B.V. All rights reserved. ScienceDirect® is a registered trademark of Elsevier B.V.
Uncontrolled Keywords:
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Q Science > QC Physics
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
School of Computing and Engineering > Centre for Precision Technologies > Surface Metrology Group
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Depositing User: Briony Heyhoe
Date Deposited: 18 Jul 2007
Last Modified: 03 Dec 2010 08:55
URI: http://eprints.hud.ac.uk/id/eprint/293

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