Null test optics for the MMT and Magellan 6.5-m f/1.25 primary mirrors

J. H. Burge; D. S. Anderson; D. A. Ketelsen; S. C. West

doi:10.1117/12.176235

Null test optics for the MMT and Magellan 6.5-m f/1.25 primary mirrors

J. H. Burge, D. S. Anderson, D. A. Ketelsen, S. C. West

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

24 Scopus citations

Abstract

The instruments used to interferometrically measure the optical surfaces of the 6.5-m f/1.25 primary mirrors for the MMT conversion and Magellan Telescopes must compensate over 800 μm surface departure from the best fitting sphere. The errors in the optical test must not contribute more than 0.04 arc seconds FWHM to the final image and the conic constant must be held to 0.01%. This paper presents the design, analysis, fabrication, and certification of the instruments used to measure these giant mirrors to such high accuracy.

Original language	English (US)
Pages (from-to)	658-669
Number of pages	12
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	2199
DOIs	https://doi.org/10.1117/12.176235
State	Published - Jun 1 1994
Externally published	Yes
Event	Advanced Technology Optical Telescopes V 1994 - Kailua, Kona, United States Duration: Mar 13 1994 → Mar 18 1994

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 = "The instruments used to interferometrically measure the optical surfaces of the 6.5-m f/1.25 primary mirrors for the MMT conversion and Magellan Telescopes must compensate over 800 μm surface departure from the best fitting sphere. The errors in the optical test must not contribute more than 0.04 arc seconds FWHM to the final image and the conic constant must be held to 0.01%. This paper presents the design, analysis, fabrication, and certification of the instruments used to measure these giant mirrors to such high accuracy.",

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AU - Burge, J. H.

AU - Anderson, D. S.

AU - Ketelsen, D. A.

AU - West, S. C.

PY - 1994/6/1

Y1 - 1994/6/1

N2 - The instruments used to interferometrically measure the optical surfaces of the 6.5-m f/1.25 primary mirrors for the MMT conversion and Magellan Telescopes must compensate over 800 μm surface departure from the best fitting sphere. The errors in the optical test must not contribute more than 0.04 arc seconds FWHM to the final image and the conic constant must be held to 0.01%. This paper presents the design, analysis, fabrication, and certification of the instruments used to measure these giant mirrors to such high accuracy.

AB - The instruments used to interferometrically measure the optical surfaces of the 6.5-m f/1.25 primary mirrors for the MMT conversion and Magellan Telescopes must compensate over 800 μm surface departure from the best fitting sphere. The errors in the optical test must not contribute more than 0.04 arc seconds FWHM to the final image and the conic constant must be held to 0.01%. This paper presents the design, analysis, fabrication, and certification of the instruments used to measure these giant mirrors to such high accuracy.

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JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Advanced Technology Optical Telescopes V 1994

Y2 - 13 March 1994 through 18 March 1994

ER -

Null test optics for the MMT and Magellan 6.5-m f/1.25 primary mirrors

Abstract

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