Large flexible membrane mirrors

Erika Sohn; Elfego Ruiz Schneider; Alejandra Ferreira

doi:10.1117/12.459059

30 January 2003 Large flexible membrane mirrors

Erika Sohn, Elfego Ruiz Schneider, Alejandra Ferreira

Proceedings Volume 4840, Future Giant Telescopes; (2003) https://doi.org/10.1117/12.459059
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The trend to minimize the thickness in optical mirrors has led to several practical limits in their fabrication and operation. The design of a flexible membrane mirror segment, which overcomes most of these limitations and can be conformed to giant segmented primary mirrors, is presented. The segment consists of a lightweight multi-layer hybrid structure, which will permit precise active control of the reflecting surface by means of a continuous elastic medium interface with embedded pneumatic actuators. Conceptual designs, finite element analysis model simulations and experimental results are included.

Citation Download Citation

Erika Sohn, Elfego Ruiz Schneider, and Alejandra Ferreira "Large flexible membrane mirrors", Proc. SPIE 4840, Future Giant Telescopes, (30 January 2003); https://doi.org/10.1117/12.459059

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