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Proceedings Paper

Rapidly solidified aluminium for optical applications
Author(s): Guido P. H. Gubbels; Bart W. H. van Venrooy; Albert J. Bosch; Roger Senden
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Paper Abstract

This paper present the results of a diamond turning study of a rapidly solidified aluminium 6061 alloy grade, known as RSA6061. It is shown that this small grain material can be diamond turned to smaller roughness values than standard AA6061 aluminium grades. Also, the results are nearly as good as nickel plated surfaces, but the RSA6061 has the advantage that no additional production steps are needed and that no bi-metallic bending or delamination can occur in a thermally changing environment, e.g. when cooling to cryogenic temperature. Therefore, RSA6061 is a good material for optical applications in the visual spectrum.

Paper Details

Date Published: 23 July 2008
PDF: 9 pages
Proc. SPIE 7018, Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation, 70183A (23 July 2008); doi: 10.1117/12.788766
Show Author Affiliations
Guido P. H. Gubbels, TNO Science and Industry (Netherlands)
Bart W. H. van Venrooy, TNO Science and Industry (Netherlands)
Albert J. Bosch, RSP Technology B.V. (Netherlands)
Roger Senden, RSP Technology B.V. (Netherlands)


Published in SPIE Proceedings Vol. 7018:
Advanced Optical and Mechanical Technologies in Telescopes and Instrumentation
Eli Atad-Ettedgui; Dietrich Lemke, Editor(s)

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