Spatial spectrum analysis of wave-front correction with a segmented mirror

Details Spatial spectrum analysis of wave-front correction with a segmented mirror Spatial spectrum analysis of wave-front correction with a segmented mirror

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apopt..42.3721p&link_type=abstract

Applied Optics, Volume 42, Issue 19, pp. 3721-3725 (2003).

Physics

Optics

Adaptive Optics, Astronomical Telescopes, Mirrors, Wavefront Sensors, Measurement Errors, Fast Fourier Transforms

Scientific paper

An expression is derived for the spatial power spectrum of wave-front errors after correction with a segmented mirror. This includes estimates of the spectral contributions of segment piston and tilt corrections and spatial aliasing by a regular array of segments. The approach allows rapid computation of wave-front error spectra in systems with highly segmented mirrors.

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