Measurement techniques for large aspheric optics - LOFT, Large ...
Measurement techniques for large aspheric optics - LOFT, Large ...
Measurement techniques for large aspheric optics - LOFT, Large ...
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Interferometric surface measurements<br />
interferometer and<br />
reflective null corrector<br />
with CGH<br />
3.75-m M1 fold sphere<br />
tilted 14.2°<br />
computer-generated<br />
hologram<br />
CGH<br />
Interferometer<br />
interferometer<br />
25<br />
meters<br />
75-cm mirror<br />
0.75 m sphere<br />
Sam<br />
M1<br />
center of curvature<br />
Axis of parent ellipsiod<br />
GMT segment<br />
GMT segment<br />
Interferometer<br />
at M1 center<br />
of curvature<br />
J. H. Burge University of Arizona 7
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