fold sphere

noun

A fold mirror that is a "sphere", i.e. a spherical mirror

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Meanings

noun
  1. A fold mirror that is a "sphere", i.e. a spherical mirror

    Center of curvature for the 3.75-m fold sphere is accessible for in situ testing of this mirror.

    2006 July, Burge et al., “Design and analysis for interferometric measurements of the GMT primary mirror segments”, in Proceedings of SPIE, volume 6273, →DOI, retrieved 27 Dec 2021, pages 62730M-5
Cite this entry
APA

fold sphere. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/fold%20sphere

MLA

“fold sphere.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fold%20sphere. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “fold sphere,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/fold%20sphere.

Source: fold sphere on Wiktionary, CC BY-SA 4.0.