Changeset 19614


Ignore:
Timestamp:
Sep 2, 2019, 11:47:41 PM (2 weeks ago)
Author:
tbretz
Message:
Added comment
File:
1 edited

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  • trunk/Mars/msimreflector/MFresnelLens.cc

    r19613 r19614  
    260260    // Positive Fresnel Lenses ... are usually corrected for spherical aberration.
    261261
     262    // Tim Niggemann:
     263    // The surface of the lens follows the shape of a parabolic lens to compensate spherical aberration
     264    // Draft angle: psi(r) = 3deg + r * 0.0473deg/mm
     265
    262266    // sin(omega) = R / sqrt(R^2+f^2)
    263267    // tan(alpha) = sin(omega) / [ 1 - sqrt(n^2-sin(omega)^2) ]
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