Adaptive secondary mirror demonstrator: construction and preliminary evaluation

Jun Ho Lee; David D. Walker; Andrew Peter Doel

doi:10.1117/1.602446

1 April 2000 Adaptive secondary mirror demonstrator: construction and preliminary evaluation

Jun Ho Lee, David D. Walker, Andrew Peter Doel

Optical Engineering, Vol. 39, Issue 4, (April 2000). https://doi.org/10.1117/1.602446

Adaptive optics (AO) combines technologies that enable the correction of the wavefront distortion caused by the earth's atmospheric turbulence in real time. Adaptive secondary mirror (ASM) systems have been proposed and are now being developed. ASMs have advantages over conventional AO systems in terms of throughput, polarization and IR emissivity. Previously, we reported the design of an ASM demonstrator along with its predicted performance. We now report the construction techniques and the results from the preliminary static and dynamic testing of such a demonstrator. In particular, assembly methods that preserve the optical quality of the mirror are presented along with experimentally measured mirror influence functions and closed loop tip/tilt performance.

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Jun Ho Lee, David D. Walker, and Andrew Peter Doel "Adaptive secondary mirror demonstrator: construction and preliminary evaluation," Optical Engineering 39(4), (1 April 2000). https://doi.org/10.1117/1.602446

Published: 1 April 2000

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