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Ultrasonic optical lens array with variable focal length and pitch |
Optics Letters, Vol. 37, Issue 24, pp. 5256-5258 (2012)
http://dx.doi.org/10.1364/OL.37.005256
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Abstract
An optical lens array whose focal length and lens pitch can be varied by acoustic radiation force was investigated. It has no mechanical moving parts and a simple structure that consists of a glass plate, four ultrasound transducers, and a viscoelastic film. A lens array can be formed by generating acoustic radiation force through flexural vibrations of the glass plate. Its focal length can be controlled by varying the voltage applied to the transducers and the lens pitch can be altered by changing the driving frequency.
© 2012 Optical Society of America
OCIS Codes
(080.3620) Geometric optics : Lens system design
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(140.3290) Lasers and laser optics : Laser arrays
(220.1080) Optical design and fabrication : Active or adaptive optics
ToC Category:
Geometric Optics
History
Original Manuscript: November 5, 2012
Manuscript Accepted: November 23, 2012
Published: December 14, 2012
Virtual Issues
Vol. 8, Iss. 1 Virtual Journal for Biomedical Optics
Citation
Daisuke Koyama, Megumi Hatanaka, Kentaro Nakamura, and Mami Matsukawa, "Ultrasonic optical lens array with variable focal length and pitch," Opt. Lett. 37, 5256-5258 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-37-24-5256
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