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segmented mirror

(a telescope mirror formed of array of smaller mirrors)

A segmented mirror is a reflector telescope mirror formed by aligning smaller mirrors (optical segmentation). Keck was a pioneer. Alignment must be maintained to a high degree of precision and Adaptive Alignment is typically performed under computer control. Example telescopes with segmented mirrors:

Non-segmented (monolithic mirror) examples:


Referenced by:
Colossus Telescope
European Extremely Large Telescope (E-ELT)
extremely large telescope (ELT)
Giant Magellan Telescope (GMT)
Giant Segmented Mirror Telescope (GSMT)
Gran Telescopio Canarias (GTC)
Hobby-Eberly Telescope (HET)
mirror support cell
monolithic mirror
reflector telescope
Thirty Meter Telescope (TMT)