Ultralightweight active mirror technology at the University of Arizona

J. H. Burge; D. Baiocchi; B. Cuerden

doi:10.1117/12.417346

Ultralightweight active mirror technology at the University of Arizona

J. H. Burge, D. Baiocchi, B. Cuerden

Optical Sciences, College of

Research output: Contribution to journal › Conference article › peer-review

9 Scopus citations

Abstract

Lightweight mirrors for space can be made using a thin flexible substrate for the optical surface and a rigid lightweight frame with actuators for support. The accuracy of the optical surface is actively maintained by adjusting the actuators using feedback from wavefront measurements. The University of Arizona is now is the final stages of fabricating two such mirrors. A 2-m NGST Mirror System Demonstrator, with an areal density of 13 kg/m², is being built for NASA and will be tested at cryogenic temperatures. A 50 cm development mirror, with an areal density of only 5 kg/m², is also being fabricated. This paper discusses the fabrication processes involved with both of these mirrors.

Original language	English (US)
Pages (from-to)	230-241
Number of pages	12
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	4198
DOIs	https://doi.org/10.1117/12.417346
State	Published - 2001
Event	Optomechanical Engineering 2000 - Boston, MA, United States Duration: Nov 7 2000 → Nov 8 2000

Keywords

Active optics
Lightweight mirrors
Space optics

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.417346

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abstract = "Lightweight mirrors for space can be made using a thin flexible substrate for the optical surface and a rigid lightweight frame with actuators for support. The accuracy of the optical surface is actively maintained by adjusting the actuators using feedback from wavefront measurements. The University of Arizona is now is the final stages of fabricating two such mirrors. A 2-m NGST Mirror System Demonstrator, with an areal density of 13 kg/m2, is being built for NASA and will be tested at cryogenic temperatures. A 50 cm development mirror, with an areal density of only 5 kg/m2, is also being fabricated. This paper discusses the fabrication processes involved with both of these mirrors.",

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AU - Baiocchi, D.

AU - Cuerden, B.

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AB - Lightweight mirrors for space can be made using a thin flexible substrate for the optical surface and a rigid lightweight frame with actuators for support. The accuracy of the optical surface is actively maintained by adjusting the actuators using feedback from wavefront measurements. The University of Arizona is now is the final stages of fabricating two such mirrors. A 2-m NGST Mirror System Demonstrator, with an areal density of 13 kg/m2, is being built for NASA and will be tested at cryogenic temperatures. A 50 cm development mirror, with an areal density of only 5 kg/m2, is also being fabricated. This paper discusses the fabrication processes involved with both of these mirrors.

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KW - Space optics

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Ultralightweight active mirror technology at the University of Arizona

Abstract

Keywords

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