Design and modelling of spectrographs with holographic gratings on freeform surfaces

26 Dec 2018 Muslimov Eduard R. Ferrari Marc Hugot Emmanuel Bouret Jean-Claude Neiner Coralie Lombardo Simona Lemaitre Gerard Grange Robert Guskov Ilya A.

In the present paper we demonstrate the approach of using a holographic grating on a freeform surface for advanced spectrographs design. We discuss the surface and groove pattern description used for ray-tracing... (read more)

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  • INSTRUMENTATION AND METHODS FOR ASTROPHYSICS