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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 16 — Aug. 15, 2013
  • pp: 3061–3064

Identification of a dynamical model of a thermally actuated deformable mirror

Aleksandar Haber, Alessandro Polo, Simon Ravensbergen, H. Paul Urbach, and Michel Verhaegen  »View Author Affiliations


Optics Letters, Vol. 38, Issue 16, pp. 3061-3064 (2013)
http://dx.doi.org/10.1364/OL.38.003061


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Abstract

Using the subspace identification technique, we identify a finite dimensional, dynamical model of a recently developed prototype of a thermally actuated deformable mirror (TADM). The main advantage of the identified model over the models described by partial differential equations is its low complexity and low dimensionality. Consequently, the identified model can be easily used for high-performance feedback or feed-forward control. The experimental results show good agreement between the dynamical response predicted by the model and the measured response of the TADM.

© 2013 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(220.1000) Optical design and fabrication : Aberration compensation
(230.4040) Optical devices : Mirrors

ToC Category:
Optical Devices

History
Original Manuscript: June 25, 2013
Revised Manuscript: July 8, 2013
Manuscript Accepted: July 8, 2013
Published: August 8, 2013

Citation
Aleksandar Haber, Alessandro Polo, Simon Ravensbergen, H. Paul Urbach, and Michel Verhaegen, "Identification of a dynamical model of a thermally actuated deformable mirror," Opt. Lett. 38, 3061-3064 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-16-3061


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