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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 34 — Dec. 1, 1997
  • pp: 8935–8938

Antireflection structures with use of multilevel subwavelength zero-order gratings

João M. dos Santos and Luís M. Bernardo  »View Author Affiliations


Applied Optics, Vol. 36, Issue 34, pp. 8935-8938 (1997)
http://dx.doi.org/10.1364/AO.36.008935


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Abstract

It is known that the zero-order two-phase-level gratings with a period much smaller and a thickness much larger than the wavelength may have antireflection properties the same as appropriate dielectric layers under normal incidence. On the basis of the rigorous coupled-wave analysis method formulation, it is shown that multilevel unidimensional phase gratings, for both TE and TM polarization, are functionally equivalent to antireflection structures of multilevel dielectric layers, even if the period is close to the wavelength.

© 1997 Optical Society of America

Citation
João M. dos Santos and Luís M. Bernardo, "Antireflection structures with use of multilevel subwavelength zero-order gratings," Appl. Opt. 36, 8935-8938 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-34-8935


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References

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