Chinese Optics Letters, 2016, 14 (4): 042201, Published Online: Aug. 6, 2018  

Analytical method to measure bending deformations in prismatic optical films Download: 779次

Author Affiliations
1 Department of Optics, Faculty of Optics and Optometry, University Complutense of Madrid, Madrid 28040, Spain
2 Department of Forest and Environmental Engineering and Management, School of Forestry Engineering, Polytechnic University of Madrid, Madrid 28040, Spain
Abstract
The aim of this work is to provide an analytical method based on experimental measurements in order to obtain the prismatic film deformation for different curvatures of hollow cylindrical prismatic light guides (CPLGs). To conform to cylindrical guides it is necessary to bend the film to guide the light; changes induced by curving the film give rise to deformation shifts. Light losses affected by deformation are experimentally evaluated and numerically analyzed. The effect of deformation on prism angle is especially increased for CPLGs of curvatures higher than 20 m 1. An experimental method for the accurate transmittance of measurements related to bending is presented.

Berta García-Fernández, Antonio Álvarez Fernández-Balbuena, Daniel Vázquez-Moliní. Analytical method to measure bending deformations in prismatic optical films[J]. Chinese Optics Letters, 2016, 14(4): 042201.

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