Optical characterization of the PALM-3000 3388-actuator deformable mirror

Jennifer Roberts; Antonin H. Bouchez; Rick S. Burruss; Richard G. Dekany; Stephen R. Guiwits; Mitchell Troy

doi:10.1117/12.857815

28 July 2010 Optical characterization of the PALM-3000 3388-actuator deformable mirror

Jennifer Roberts, Antonin H. Bouchez, Rick S. Burruss, Richard G. Dekany, Stephen R. Guiwits, Mitchell Troy

Proceedings Volume 7736, Adaptive Optics Systems II; 77362E (2010) https://doi.org/10.1117/12.857815
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

We describe the lab characterization of the new 3,388-actuator deformable mirror (DM3388) produced by Xinetics, Inc. for the PALM-3000 adaptive optics (AO) system1 under development by Jet Propulsion Laboratory and Caltech Optical Observatories. This square grid 66-by-66 actuator mirror has the largest number of actuators of any deformable mirror currently available and will enable high-contrast imaging for direct exoplanet imaging science at the Palomar 200" diameter Hale Telescope. We present optical measurements of the powered and unpowered mirror surface, influence functions, linearity of the actuators, and creep of the actuators. We also quantify the effect of changes in humidity.

Citation Download Citation

Jennifer Roberts, Antonin H. Bouchez, Rick S. Burruss, Richard G. Dekany, Stephen R. Guiwits, and Mitchell Troy "Optical characterization of the PALM-3000 3388-actuator deformable mirror", Proc. SPIE 7736, Adaptive Optics Systems II, 77362E (28 July 2010); https://doi.org/10.1117/12.857815

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