Faculté des sciences

Encoding of efficient diffractive microlenses

Kuittinen, Markku ; Herzig, Hans-Peter

In: Optics Letters, 1995, vol. 20, no. 21, p. 2156-2158

Different coding schemes for diffractive multilevel microlenses are compared. A simple method to code a lens to get the optimum diffraction efficiency is given. Furthermore, a straight forward way to estimate the achievable efficiency of a lens is presented. Plus

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    Summary
    Different coding schemes for diffractive multilevel microlenses are compared. A simple method to code a lens to get the optimum diffraction efficiency is given. Furthermore, a straight forward way to estimate the achievable efficiency of a lens is presented.