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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 1 — Jan. 10, 2005
  • pp: 20–25

Polarization patterns hide and display using photoinduced anisotropy of photochromic fulgide

Baoli Yao, Yingli Wang, Ming Lei, Neimule Menke, Guofu Chen, Yi Chen, Tiankai Li, and Meigong Fan  »View Author Affiliations


Optics Express, Vol. 13, Issue 1, pp. 20-25 (2005)
http://dx.doi.org/10.1364/OPEX.13.000020


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Abstract

Photoinduced anisotropy of a photochromic pyrrylfulgide/PMMA film was investigated by using two linearly polarized beams. Excitation by linearly polarized light induces into the film an optical axis that has the same polarization as the excitation beam. This causes a change of the transmittance and of the polarization state of the detection beam. With a microscope a matrix of 4×4 light spots with different polarizations were recorded in the pyrrylfulgide/PMMA film. If readout with non-polarized light, the matrix of light spots show no information pattern. However, when readout with differently polarized lights, different patterns can be displayed. The experiment demonstrates that pyrrylfulgide/PMMA films can be used to hide two differently polarized patterns, which may be applied in camouflage technology.

© 2005 Optical Society of America

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(160.4890) Materials : Organic materials
(260.1440) Physical optics : Birefringence
(260.5430) Physical optics : Polarization

ToC Category:
Research Papers

History
Original Manuscript: November 16, 2004
Revised Manuscript: December 14, 2004
Manuscript Accepted: December 18, 2004
Published: January 10, 2005

Citation
Baoli Yao, Yingli Wang, Ming Lei, Neimule Menke, Guofu Chen, Yi Chen, Tiankai Li, and Meigong Fan, "Polarization patterns hide and display using photoinduced anisotropy of photochromic fulgide," Opt. Express 13, 20-25 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-1-20


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