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Applied Optics

Applied Optics


  • Vol. 38, Iss. 25 — Sep. 1, 1999
  • pp: 5350–5354

Aberration-free dynamic focusing with a multichannel micromachined membrane deformable mirror

Lijun Zhu, Pang-Chen Sun, and Yeshaiahu Fainman  »View Author Affiliations

Applied Optics, Vol. 38, Issue 25, pp. 5350-5354 (1999)

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We demonstrate aberration-free dynamic focusing with a low-cost 19-channel continuous-surface micromachined membrane deformable mirror (MMDM). A lookup table of the optimum control voltages for various focal lengths is obtained with an adaptive optics algorithm. Diffraction-limited imaging resolution is achieved owing to the capablility of the MMDM for aberration compensation. The measured speed of the MMDM supports dynamic focusing operations at several hundred hertz. Our dynamic focusing approach is shown to function with either monochromatic or broadband optical sources.

© 1999 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(230.4040) Optical devices : Mirrors

Original Manuscript: February 26, 1999
Revised Manuscript: June 8, 1999
Published: September 1, 1999

Lijun Zhu, Pang-Chen Sun, and Yeshaiahu Fainman, "Aberration-free dynamic focusing with a multichannel micromachined membrane deformable mirror," Appl. Opt. 38, 5350-5354 (1999)

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