Use of 3D printing in astronomical mirror fabrication

Bibcode
2020SPIE11349E..0DR
DOI
10.1117/12.2556921
Roulet, Mélanie; Atkins, Carolyn; Hugot, Emmanuel; Snell, Robert; van de Vorst, Bart; Morris, Katherine; Marcos, Michel; Todd, Iain; Miller, Christopher; Dufils, Joris; Farkas, Szigfrid; Mezo, Gyorgy; Tenegi, Fabio; Vega-Moreno, Afrodisio; Schnelter, Hermine
Bibliographical reference

Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series

Advertised on:
4
2020
Number of authors
15
IAC number of authors
2
Citations
1
Refereed citations
1
Description
In this paper we are exploring the possibilities of 3D printing in the fabrication of mirrors for astronomy. Taking the advantages of 3D printing to solve the existing problems caused by traditional manufacturing, two proof-of- concept mirror fabrication strategies are investigated in this paper. The first concept is a deformable mirror with embedded actuator supports system to minimise errors caused by the bonding interfaces during mirror assembly. The second concept is the adaption of the Stress Mirror Polishing (SMP) technique to a variety of mirror shapes by implemented a printed thickness distribution on the back side of the mirror. Design investigations and prototypes plans are presented for both studies.
Type
Non-refereed

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