A set of Zemax user-defined surfaces to model slicer mirrors

Sébastien Vivès; Eric Prieto; Fabrice Madec

doi:10.1117/12.671559

6 July 2006 A set of Zemax user-defined surfaces to model slicer mirrors

Sébastien Vivès, Eric Prieto, Fabrice Madec

Proceedings Volume 6273, Optomechanical Technologies for Astronomy; 62731R (2006) https://doi.org/10.1117/12.671559
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

A slicer mirror is a complex surface composed by many tilted and decentered mirrors sub-surfaces. The major difficulty to model such a complex surface is the large number of parameters used to define it. The Zemax's multi-configuration mode is usually used to specify each parameters (tilts, curvatures, decenters) for each mirror sub-surface which are then considered independently. Otherwise making use of the User-Defined Surface (UDSDLL) Zemax capability, we are able to consider the set of sub-surfaces as an unique surface. Such a UDS-DLL tools facilitate Integral Field Unit (IFU) designs and make optimization faster by a factor 2-5 compared with the classical multi-configuration mode. Furthermore, analysis and tolerancing can be performed with equal results although some analyses are facilitated in particular those that need to consider several slices such as the cross-talk due to diffraction. In this paper, we present a set of such a UDS-DLL tool to model all types of slicer mirror arrays used in current IFU designs.

Citation Download Citation

Sébastien Vivès, Eric Prieto, and Fabrice Madec "A set of Zemax user-defined surfaces to model slicer mirrors", Proc. SPIE 6273, Optomechanical Technologies for Astronomy, 62731R (6 July 2006); https://doi.org/10.1117/12.671559

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