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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 10 — May. 17, 2004
  • pp: 2138–2149

Variable-focus lens with 1-kHz bandwidth

Hiromasa Oku, Koichi Hashimoto, and Masatoshi Ishikawa  »View Author Affiliations


Optics Express, Vol. 12, Issue 10, pp. 2138-2149 (2004)
http://dx.doi.org/10.1364/OPEX.12.002138


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Abstract

This paper proposes a variable-focus lens with 1-kHz bandwidth. The lens transforms its shape rapidly using the liquid pressure generated by a piezo stack actuator. This mechanism also includes a built-in motion amplifier with high bandwidth to compensate for the short working range of the piezo stack actuator. Prototypes have been developed to validate the proposed design. A 1-kHz bandwidth of the lenses was confirmed by measuring the frequency responses. Refractive power ranging from -1/167 to 1/129 mm-1 and a maximum resolution of 12.3 cycles/mm were attained.

© 2004 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Research Papers

History
Original Manuscript: April 5, 2004
Revised Manuscript: April 30, 2004
Published: May 17, 2004

Citation
Hiromasa Oku, Koichi Hashimoto, and Masatoshi Ishikawa, "Variable-focus lens with 1-kHz bandwidth," Opt. Express 12, 2138-2149 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-10-2138


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References

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