Picometer level stability of a mounted mirror assembly

Matthew East; David Redding; Chistopher Sullivan; Ted Mooney; Lynn Allen

doi:10.1117/12.2314332

6 July 2018 Picometer level stability of a mounted mirror assembly

Matthew East, David Redding, Chistopher Sullivan, Ted Mooney, Lynn Allen

Proceedings Volume 10698, Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave; 106980Y (2018) https://doi.org/10.1117/12.2314332
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

For internal coronagraph options on the LUVOIR or HabEx mission concepts, the stated challenge of 10 picometers RMS wavefront stability over 10 minutes will govern the performance of every structure that connects the focal plane assembly to each optical surface. This paper interrogates wavefront stability of a mounted mirror assembly for a primary mirror segment assembly, and stability of the optical surface. Analysis describes stability of each element in a primary mirror segment assembly (PMSA) to understand the impact of each component of the PMSA on surface figure error (SFE) over short time periods.

Conference Presentation

Citation Download Citation

Matthew East, David Redding, Chistopher Sullivan, Ted Mooney, and Lynn Allen "Picometer level stability of a mounted mirror assembly", Proc. SPIE 10698, Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave, 106980Y (6 July 2018); https://doi.org/10.1117/12.2314332

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