Abstract

A method that permits aberration correction and wave-front reshaping with a diffractive optical element (DOE) is described. Two aligned DOE's made of two different dispersive materials are used. The different dispersions of the two materials in addition to freedom in choosing their thicknesses enables the chromatic aberration and the wave fronts to be manipulated. Design and simulation of such DOE's are described.

© 1999 Optical Society of America

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References

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  1. Y. Arieli, S. Ozeri, N. Eisenberg, and S. Noach, Opt. Lett. 23, 823 (1998).
    [CrossRef]
  2. Schott optical glass catalog (Schott Optical Glass, P.O.??Box 2480 D-Mainz, Germany, 1980).
  3. H. P. Herzig, Micro-Optics Elements, Systems and Application (Taylor & Francis, London, 1997).

1998 (1)

Opt. Lett. (1)

Other (2)

Schott optical glass catalog (Schott Optical Glass, P.O.??Box 2480 D-Mainz, Germany, 1980).

H. P. Herzig, Micro-Optics Elements, Systems and Application (Taylor & Francis, London, 1997).

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Figures (3)

Fig. 1
Fig. 1

Pixels of the DOE.

Fig. 2
Fig. 2

Spectral responses of the combined DOE's for the three C values.

Fig. 3
Fig. 3

Phases for different wavelengths versus the radius of the DOE, obtained by the phase polynomial and by our approach.

Tables (2)

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Table 1 Calculated Values of the Index of Refraction and the Derivative of n as a Function of λ at λ0=550 nm

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Table 2 Thickness Results for Several Values of C

Equations (7)

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n1λ-n2λd1+n3λ-n2λd2=λϕ/2π,
dϕdλ|λ0=0.
dϕdλ|λ0=C,
dn1λ0dλ-dn2λ0dλd1+dn3λ0dλ-dn2λ0dλd2=ϕ0+λ0C2π,
n2λ=A0+A1λ2+A2λ-2+A3λ-4+A4λ-6+A5λ-8.
ϕr=2πλ0n=1Na2nr2n.
ϕλ=λ/λ0ϕλ0.

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