Characterization of three advanced deformable mirrors

William H. Lowrey; John L. Wynia; Mark A. Ealey

doi:10.1117/12.330241

3 November 1998 Characterization of three advanced deformable mirrors

William H. Lowrey, John L. Wynia, Mark A. Ealey

Proceedings Volume 3433, Propagation and Imaging through the Atmosphere II; (1998) https://doi.org/10.1117/12.330241
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Three advanced deformable mirrors were tested as part of the Air Force Research Laboratory's adaptive optics program. Two of these mirrors were purchased by the Air Force Research Laboratory for use at the Starfire Optical Range (SOR). One of these, a 941-channel mirror, made by Xinetics under subcontract to Hughes Danbury Optical Systems, is currently in use in the adaptive optics system of the SOR 3.5m telescope. The other, a 577-channel mirror, was refurbished by ITEK from the Mid-Scale Deformable Mirror. The third mirror, with 349 actuators, was made by Xinetics as a demonstration of a new actuator bonding technology. For each mirror, the uniformity of the actuator gain was measured using phase-modulating interferometry. These measurements were used to flatten the mirrors and to apply known Zernike modes. Results presented will include actuator performance statistics and mirror figure accuracy for various commanded figures.

Citation Download Citation

William H. Lowrey, John L. Wynia, and Mark A. Ealey "Characterization of three advanced deformable mirrors", Proc. SPIE 3433, Propagation and Imaging through the Atmosphere II, (3 November 1998); https://doi.org/10.1117/12.330241

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