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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10.1117/12.950390

Cite this

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

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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