Design and construction of a focal plane slicing mirror

Demetrio Magrin; Enrico Giro; Favio Bortoletto; Giuseppe Crimi; Claudio Pernechele; Raffaele Tomelleri

doi:10.1117/12.787550

18 July 2008 Design and construction of a focal plane slicing mirror

Demetrio Magrin, Enrico Giro, Favio Bortoletto, Giuseppe Crimi, Claudio Pernechele, Raffaele Tomelleri

Proceedings Volume 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation; 701837 (2008) https://doi.org/10.1117/12.787550
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

We describe here the optical design, mechanical project and the manufacturing of a mechanically reconfigurable spherical slicing mirror. We made use of nowadays commonly available mechanical cutting techniques (wire spark-erosion) to obtain single blades (slices) shaped with profile close to the optical sag specification. Blades so constructed are ready to be optically finished with standard optical workshop techniques. We present here the results obtained from metrology made on the first constructive phase of the system before to start the final optical polishing phase.

Citation Download Citation

Demetrio Magrin, Enrico Giro, Favio Bortoletto, Giuseppe Crimi, Claudio Pernechele, and Raffaele Tomelleri "Design and construction of a focal plane slicing mirror", Proc. SPIE 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation, 701837 (18 July 2008); https://doi.org/10.1117/12.787550

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