Abstract

A comparison is made between rigorous numerical results and a recently proposed analytical method for modeling light diffraction by lamellar diffraction gratings. The conclusion is that the analytical model is quite restrained in its applicability and can be misleading in determining the behavior of the grating efficiencies.

© 2006 Optical Society of America

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References

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  1. A. Benabbas, V. Halté, J.-Y. Bigot, "Analytical model of the optical response of periodically structured metallic films," Opt. Express 13, 8730-8745 (2005)
    [CrossRef] [PubMed]
  2. Lord RayleighO. M. , "On the dynamical theory of gratings," Proc. Phys. Soc. (London) A  79, 399-416 (1907)
    [CrossRef]
  3. S. T. Peng, T. Tamir, and H. L. Bertoni, "Theory of periodic dielectric waveguides," IEEE Thans. Microwave Theory Techn. MTT-23, 123-133 (1975)
    [CrossRef]
  4. E. I. Krupitsky and B. C. Chernov, "Rigorous analysis of arbitrary slanted volume holographic gratings," Proc. IX All-Union School of Holography, Leningrad, 84-85 (1977), in Russian.
  5. G. Moharam, and T. K. Gayrold, "Rigorous coupled-wave analysis of planar-grating diffraction," J. Opt. Soc. Am. 71, 811- 818 (1981), "Rigorous coupled-wave analysis of dielectric surface-relief gratings," J. Opt. Soc. Am. 72, 1385-1392 (1982)
    [CrossRef]
  6. M. Nevière and E. Popov, Light Propagation in Periodic Media, Differential Theory and Design (Marcel Dekker, New York, 2003)

2005 (1)

1982 (1)

1975 (1)

S. T. Peng, T. Tamir, and H. L. Bertoni, "Theory of periodic dielectric waveguides," IEEE Thans. Microwave Theory Techn. MTT-23, 123-133 (1975)
[CrossRef]

Benabbas, A.

Bertoni, H. L.

S. T. Peng, T. Tamir, and H. L. Bertoni, "Theory of periodic dielectric waveguides," IEEE Thans. Microwave Theory Techn. MTT-23, 123-133 (1975)
[CrossRef]

Bigot, J.-Y.

Gayrold, T. K.

Halté, V.

Moharam, G.

Peng, S. T.

S. T. Peng, T. Tamir, and H. L. Bertoni, "Theory of periodic dielectric waveguides," IEEE Thans. Microwave Theory Techn. MTT-23, 123-133 (1975)
[CrossRef]

Tamir, T.

S. T. Peng, T. Tamir, and H. L. Bertoni, "Theory of periodic dielectric waveguides," IEEE Thans. Microwave Theory Techn. MTT-23, 123-133 (1975)
[CrossRef]

IEEE Thans. Microwave Theory Techn. (1)

S. T. Peng, T. Tamir, and H. L. Bertoni, "Theory of periodic dielectric waveguides," IEEE Thans. Microwave Theory Techn. MTT-23, 123-133 (1975)
[CrossRef]

J. Opt. Soc. Am. (1)

Opt. Express (1)

Other (3)

Lord RayleighO. M. , "On the dynamical theory of gratings," Proc. Phys. Soc. (London) A  79, 399-416 (1907)
[CrossRef]

E. I. Krupitsky and B. C. Chernov, "Rigorous analysis of arbitrary slanted volume holographic gratings," Proc. IX All-Union School of Holography, Leningrad, 84-85 (1977), in Russian.

M. Nevière and E. Popov, Light Propagation in Periodic Media, Differential Theory and Design (Marcel Dekker, New York, 2003)

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Figures (2)

Fig. 1.
Fig. 1.

. Zeroth transmission order efficiency of a 110 nm thick silver grating on a glass substrate at normal incidence in TM polarization: Groove period equal to 700 nm, groove width 200 nm. (a) Equivalent phase grating with a sinusoidal modulation of electric permittivity. Red curve and the left scale, results of the analytical method, ref.[1], black curve and the right scale, rigorous numerical results. (b) The rigorous numerical results for a lamellar silver grating.

Fig. 2.
Fig. 2.

The same as in fig.1 but for a symmetric structure, cladding, grooves and substrate having optical index of 1. Results for different groove depth (grating thickness), as indicated in the figures. (a) Analytical results reproduced from ref.[1]. (b) numerical results for a true lamellar profile.

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