Gratings of constantly varying depth for visual security devices

Optical Engineering

Volumn 38, Issue 1, 1999, Pages 89-98

  Staub, René ^a   Tompkin, Wayne R ^a   Schilling, Andreas ^b  

^a OVD Kinegram Corporation   (Switzerland)

^b UNIVERSITY OF NEUCHÂTEL   (Switzerland)

Author keywords

Diffraction gratings; Diffractive optically variable image device; Optical security

Indexed keywords

EID: 0001988524     PISSN: 00913286     EISSN: None     Source Type: Journal    
DOI: 10.1117/1.602064     Document Type: Article

References (17)

1. R. L. van Renesse, Ed., Optical Document Security, Second ed., Artech House, Norwood/London (1998).
2. M. Gale, "Replication," in Micro-Optics, H. P. Herzig, Ed., pp. 153-177, Taylor & Francis, London (1997).
3. H. Souparis, "Holograms for authentication: design and integration," in Halo-pack Holo-print Guidebook 1995/6, pp. 165-172 (1995).
4. J.-F. Moser, "Document protection by optically variable graphics (kinegram)," Chap. 9 in Optical Document Security, 2nd ed., R. L. van Renesse, Ed., Artech House, Norwood/London (1998).
5. J.-F. Moser, R. Staub, and W. R. Tompkin, "Perceptual information from OVD diffraction security devices," Proc. SPIE 2689, 53-58 (1996).
6. S. P. McGrew, "Hologram counterfeiting, problems and solutions," Proc. SPIE 1210, 66-76 (1990).
7. G. Dausmann, I. Menz, K. Gnädig, and Z. Yang, "Copy proof machine readable holograms for security applications," Proc. SPIE 2659, 198-201 (1996).
8. E. G. Loewen and E. Popov, Diffraction Gratings and Applications, pp. 367-399, Marcel Dekker, New York (1997).
9. D. Maystre, "Rigorous vector theories of diffraction gratings," in Progress in Optics, Vol. XXI, E. Wolf, Ed., pp. 1-67, North Holland, New York (1984).
10. L. Li "Use of Fourier Series in the analysis of discontinuous periodic structures," J. Opt. Soc. Am. A 13, 1870-1876 (1996).
11. M. Miler, "Photoresist as a recording material for holographic elements," Proc. SPIE 2108, 2-7 (1993).
12. P. Hariharan, Optical Holography, pp. 170-173, Cambridge Studies in Modern Optics 2, Cambridge (1984).
13. K. Patorski, "The self-imaging phenomenon and its applications," in Progress in Optics, Vol. XXVII, E. Wolf, Ed., pp. 1-108, North Holland, New York (1989).
14. J. Turunen, "Diffraction Theory of Microrelief Gratings," in Micro-Optics, Elements, Systems and Applications, H.-P. Herzig, Ed., pp. 31-52, Taylor and Francis, London (1997).
15. M. G. Moharam and T. K. Gaylord, "Diffraction analysis of dielectric surface-relief gratings," J. Opt. Soc. Am. 72, 1385-1392 (1982).
16. M. G. Moharam, D. A. Pommet, E. B. Grann, and T. K. Gaylord, "Stable implementation of the rigorous coupled-wave analysis for surface-relief gratings: enhanced transmittance matrix approach," J. Opt. Soc. Am. A 12, 1077-1086 (1995).
17. P. Lalanne and G. M. Morris, "Highly improved convergence of the coupled-wave method for TM polarisation," J. Opt. Soc. Am. A 13, 779-784 (1996).