1 December 1991 Computer-generated diffractive elements focusing light into arbitrary line segments
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In this contribution, new computer-generated diffractive optical elements are proposed that are able to concentrate an incident beam into line segments of various lengths, arbitrary inclination in respect to the optical axis, as well as any distribution of the longitudinal intensity. The approach is based on the energy conservation principle taken in the scope of the geometrical optics approximation and equations of the paraxial ray tracing. Hyperbolic zone plate, linear zone plate, conical zone plate, as well as elements focusing light into the segment of the optical axis are shown to be limiting cases of the proposed elements.
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Zbigniew Jaroszewicz, Zbigniew Jaroszewicz, Andrzej Kolodziejczyk, Andrzej Kolodziejczyk, "Computer-generated diffractive elements focusing light into arbitrary line segments", Proc. SPIE 1555, Computer and Optically Generated Holographic Optics; 4th in a Series, (1 December 1991); doi: 10.1117/12.50640; https://doi.org/10.1117/12.50640

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