73 citations · 259 across the 8 of their papers we have counts for
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physics.app-ph2018★ 13 cited
Systematic investigation of methods for multiple freeform optimization in multi-lens imaging systems
Chang Liu, Herbert Gross
With the development in freeform technology, it has now become more and more feasible to use freeform surfaces in real system designs. While the freeform surfaces helping optical d…
physics.optics2018★ 40 cited
Double freeform illumination design for prescribed wavefronts and irradiances
Christoph Bösel, Herbert Gross
A mathematical model in terms of partial differential equations (PDE) for the calculation of double freeform surfaces for irradiance and phase control with predefined input and out…