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. 2021 Sep 22;217(7):77. doi: 10.1007/s11214-021-00848-1

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© The Author(s) 2021

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Fig. 7 — EMIRS “Aft Optics Plate” where the critical optical components of the interferometer are mounted and aligned. The Interferometer assembly (beamsplitter, moving mirror and fixed mirror) are mounted to a vibration isolated plate to maintain precision internal alignment