Woofer-tweeter adaptive optics in very strong turbulence using a magnetic-liquid deformable mirror

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DOIResolve DOI: http://doi.org/10.1117/12.925174
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TypeArticle
Proceedings titleAdaptive Optics Systems III
Series titleProceedings of SPIE; Volume 8447
ConferenceAdaptive Optics Systems III, July 1-6, 2012, Amsterdam, Netherlands
ISSN0277-786X
ISBN9780819491480
Article number84473Z
SubjectAdaptive optics systems; Deformable mirrors; High bandwidth; Low-bandwidth; Strong turbulence; Actuators; Adaptive optics; Bandwidth; Laser pulses; Loudspeakers; Liquids
AbstractWe present progress towards the development of a woofer-tweeter adaptive optics (AO) system using the first 37 actuators of a 91-actuator magnetic-liquid deformable mirror (MLDM) and a magnetic 97-actuator DM from ALPAO. The MLDM, which has both very large single-actuator and inter-actuator strokes, but a low bandwidth, is used as woofer, whereas the high bandwidth and lower stroke ALPAO DM is used as tweeter. The ALPAO DM should improve the bandwidth of the MLDM while the MLDM will allow correction of strong aberrations.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); National Science Infrastructure
Peer reviewedYes
NPARC number21270305
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Record identifierf3851c55-d807-403a-a825-7c201a1759f8
Record created2014-01-23
Record modified2017-09-13
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