The Lund dual-conjugate adaptive optics demonstrator

This laboratory demonstrator setup is a downscaled version of a 7.5-m aperture telescope with dual-conjugate adaptive optics, a representative static atmosphere in the K-band and five natural guide stars in a cross. The demonstrator has been used to evaluate different modes of adaptive optics; conventional single-conjugate adaptive optics, field-averaged single-conjugate adaptive optics and dual-conjugate adaptive optics.

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