Design of some achromatic imaging hybrid diffractive-refractive lenses

Patrice J.H. Twardowski; Patrick Meyrueis

doi:10.1117/12.47028

1 September 1991 Design of some achromatic imaging hybrid diffractive-refractive lenses

Patrice J.H. Twardowski, Patrick Meyrueis

Proceedings Volume 1507, Holographic Optics III: Principles and Applications; (1991) https://doi.org/10.1117/12.47028
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

The authors consider only hybrid singlet lenses composed of a plano-convex or a plano- concave glass lens and of a volume phase holographic optical element (HOE) in dichromated gelatin, coated on the plane surface of the glass lens. A design method is described which combines usual ray-tracing through a refractive lens and, for the HOE, the method of Hasman and Friesem. This latter method is based on a ray-tracing procedure that uses the minimization of the mean-square difference of the propagation vector components between the actual output wave fronts and the desired output wave fronts. Considering the one-dimensional case and a given spectral bandwidth, the authors determine by simulation the image spot sizes, the distortions at the image plane, and the mean-square difference of the propagation vectors. At the end, the results are compared with the performance of the optimal HOE alone, the spherical HOE, the refractive lens alone, and a diffractive system made of two HOEs. In conclusion, the authors discuss the space bandwidth product of the optimal HOE used in the hybrid systems.

Citation Download Citation

Patrice J.H. Twardowski and Patrick Meyrueis "Design of some achromatic imaging hybrid diffractive-refractive lenses", Proc. SPIE 1507, Holographic Optics III: Principles and Applications, (1 September 1991); https://doi.org/10.1117/12.47028

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