Abstract

The antireflection properties of triangular shaped gratings are studied by a combination of the effective medium theory and the anisotropic thin-film theory. The triangular shaped structures are analyzed as a function of grating period, filling factor, and groove depth, and the antireflective characteristics are also studied when visible-infrared light is incident upon them. Numerical examples are given for gratings on glass substrate with refractive index of 1.5. The results show that this kind of grating is capable of reducing reflections, and could achieve very low reflectivity over a wide field of view and a wide waveband by choosing appropriate parameters.

© 2005 Chinese Optics Letters

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2005 (2)

T. Yu, F. Zhu, D. Liu, and F. Zhang, Acta Opt. Sin. (in Chinese) 25, 270 (2005).

M. A. Golub and A. A. Friesem, J. Opt. Soc. Am. A 22, 1115 (2005).

2004 (1)

X. Xu, F. Zhang, and B. Fan, Acta Opt. Sin. (in Chinese) 24, 1173 (2004).

1998 (1)

1994 (2)

1992 (1)

1987 (1)

1986 (1)

1956 (1)

S. M. Rytov, Sov. Phys. JETP 2, 466 (1956).

Auslender, M.

Baird, W. E.

Brauer, R.

Brundrett, D. L.

Bryngdahl, O.

Fan, B.

X. Xu, F. Zhang, and B. Fan, Acta Opt. Sin. (in Chinese) 24, 1173 (2004).

Friesem, A. A.

Gaylord, T. K.

Glytsis, E. N.

Golub, M. A.

Gunning, W. J.

Hava, S.

Kimura, Y.

Levy, D.

Liu, D.

T. Yu, F. Zhu, D. Liu, and F. Zhang, Acta Opt. Sin. (in Chinese) 25, 270 (2005).

Moharam, M. G.

Motamedi, M. E.

Nishida, N.

Ohta, Y.

Ono, Y.

Rytov, S. M.

S. M. Rytov, Sov. Phys. JETP 2, 466 (1956).

Southwell, W. H.

Xu, X.

X. Xu, F. Zhang, and B. Fan, Acta Opt. Sin. (in Chinese) 24, 1173 (2004).

Yu, T.

T. Yu, F. Zhu, D. Liu, and F. Zhang, Acta Opt. Sin. (in Chinese) 25, 270 (2005).

Zhang, F.

T. Yu, F. Zhu, D. Liu, and F. Zhang, Acta Opt. Sin. (in Chinese) 25, 270 (2005).

X. Xu, F. Zhang, and B. Fan, Acta Opt. Sin. (in Chinese) 24, 1173 (2004).

Zhu, F.

T. Yu, F. Zhu, D. Liu, and F. Zhang, Acta Opt. Sin. (in Chinese) 25, 270 (2005).

Acta Opt. Sin. (in Chinese) (2)

X. Xu, F. Zhang, and B. Fan, Acta Opt. Sin. (in Chinese) 24, 1173 (2004).

T. Yu, F. Zhu, D. Liu, and F. Zhang, Acta Opt. Sin. (in Chinese) 25, 270 (2005).

Appl. Opt. (6)

J. Opt. Soc. Am. A (1)

Sov. Phys. JETP (1)

S. M. Rytov, Sov. Phys. JETP 2, 466 (1956).

Other (2)

H. A. Macleod, Thin Film Optical Filters (Institute of Physics Publishing, Bristol, 2001) p.41.

M. Born and E. Wolf, Principles of Optics (Cambridge University Press, Cambridge, 1999) p.837.

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