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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 15 — May. 20, 2006
  • pp: 3495–3500

Ferrofluidic adaptive mirrors

P. Laird, N. Caron, M. Rioux, E. F. Borra, and A. Ritcey  »View Author Affiliations


Applied Optics, Vol. 45, Issue 15, pp. 3495-3500 (2006)
http://dx.doi.org/10.1364/AO.45.003495


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Abstract

A magnetic liquid mirror based on ferrofluids was demonstrated. Magnetic liquid mirrors represent a major departure from solid mirror technology. They present both advantages and disadvantages with respect to established technologies. Stroke (from a fraction of a wave to several hundreds of micrometers), cost (a few dollars per actuator), and scalability (hundreds of thousands of actuators) are the main advantages. Very large mirrors having diameters of the order of a meter should be feasible. There are a few disadvantages. The most important disadvantage is the time response, which is of the order of a few milliseconds. Although this time response could be further decreased with additional technical developments, it is unlikely to match the speed of solid mirrors. The technology is still in its infancy, and considerable work must still be done. However, the advantages are such that the technology is worth pursuing.

© 2006 Optical Society of America

OCIS Codes
(000.3110) General : Instruments, apparatus, and components common to the sciences
(240.6700) Optics at surfaces : Surfaces
(260.3910) Physical optics : Metal optics
(350.1260) Other areas of optics : Astronomical optics

ToC Category:
Optics at Surfaces

History
Original Manuscript: September 27, 2005
Revised Manuscript: January 17, 2006
Manuscript Accepted: January 25, 2006

Citation
P. Laird, N. Caron, M. Rioux, E. F. Borra, and A. Ritcey, "Ferrofluidic adaptive mirrors," Appl. Opt. 45, 3495-3500 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-15-3495

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