Development of lightweight, glass mirror segments for the large deoloyable reflector

R. K. Melugin; J. H. Miller; J. R.P. Angel; P. A.A. Wangsness; R. E. Parks; D. A. Ketelsen

doi:10.1117/12.950390

Development of lightweight, glass mirror segments for the large deoloyable reflector

R. K. Melugin, J. H. Miller, J. R.P. Angel, P. A.A. Wangsness, R. E. Parks, D. A. Ketelsen

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Accomplishments in the development of lightweight, honeycomb-core, sandwich mirror blanks made of boro- silicate and high-silica glasses at the University of Arizona for the Large Deployable Reflector program are described. In this paper, work spanning the last 2 years is reported, highlighting a new mirror blank fabrication technique that permits the fabrication of the honeycomb core integrally with the front and back plates of the blank in a single furnace cycle. Two types of mirror blanks made by this method, an off-axis, aspheric segment and a smaller Vycor circular piece, are described. The fabrication of two off-axis, aspheric mirror segments is also described. Cryogenic test results are included on the test of a 38-cm diameter, lightweight, honey-comb core, sandwich mirror made of Pyrex.

Original language	English (US)
Pages (from-to)	101-114
Number of pages	14
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	571
DOIs	https://doi.org/10.1117/12.950390
State	Published - Feb 21 1986

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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abstract = "Accomplishments in the development of lightweight, honeycomb-core, sandwich mirror blanks made of boro- silicate and high-silica glasses at the University of Arizona for the Large Deployable Reflector program are described. In this paper, work spanning the last 2 years is reported, highlighting a new mirror blank fabrication technique that permits the fabrication of the honeycomb core integrally with the front and back plates of the blank in a single furnace cycle. Two types of mirror blanks made by this method, an off-axis, aspheric segment and a smaller Vycor circular piece, are described. The fabrication of two off-axis, aspheric mirror segments is also described. Cryogenic test results are included on the test of a 38-cm diameter, lightweight, honey-comb core, sandwich mirror made of Pyrex.",

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AU - Melugin, R. K.

AU - Miller, J. H.

AU - Angel, J. R.P.

AU - Wangsness, P. A.A.

AU - Parks, R. E.

AU - Ketelsen, D. A.

PY - 1986/2/21

Y1 - 1986/2/21

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AB - Accomplishments in the development of lightweight, honeycomb-core, sandwich mirror blanks made of boro- silicate and high-silica glasses at the University of Arizona for the Large Deployable Reflector program are described. In this paper, work spanning the last 2 years is reported, highlighting a new mirror blank fabrication technique that permits the fabrication of the honeycomb core integrally with the front and back plates of the blank in a single furnace cycle. Two types of mirror blanks made by this method, an off-axis, aspheric segment and a smaller Vycor circular piece, are described. The fabrication of two off-axis, aspheric mirror segments is also described. Cryogenic test results are included on the test of a 38-cm diameter, lightweight, honey-comb core, sandwich mirror made of Pyrex.

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Development of lightweight, glass mirror segments for the large deoloyable reflector

Abstract

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