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Realization of Glass patterns by a microlens array |
Optics Letters, Vol. 37, Issue 20, pp. 4248-4250 (2012)
http://dx.doi.org/10.1364/OL.37.004248
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Abstract
A homogeneous randomly distributed microlens array (MLA) and a corresponding micropattern array are integrated onto a layer of polyester film aiming to give rise to a special dynamic Glass pattern. Integrating an MLA and a micropattern array, and applying a small geometrical transformation, it is possible to show the parallactic or the orthoparallactic motion effect when varying the viewing angle. Both numerical simulation and experimental results are present in this Letter. Such devices can find potential applications in precision optical alignment, image registration, and document security and authentication.
© 2012 Optical Society of America
OCIS Codes
(120.4120) Instrumentation, measurement, and metrology : Moire' techniques
(230.0230) Optical devices : Optical devices
(230.3990) Optical devices : Micro-optical devices
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: August 3, 2012
Revised Manuscript: September 10, 2012
Manuscript Accepted: September 10, 2012
Published: October 9, 2012
Citation
Su Shen, Yimin Lou, Jin Hu, Yun Zhou, and Linsen Chen, "Realization of Glass patterns by a microlens array," Opt. Lett. 37, 4248-4250 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-20-4248
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