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Variable-Focus Liquid Lens Relies on Fluid Pressure

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Lens has potential applications in camera phones.

Hank Hogan

Mobile phones may eventually take better pictures, thanks to a team from the Institute of Materials Research and Engineering in Singapore. The group demonstrated a variable-focus lens by using pressure to shape a liquid interface. The technique could be employed in compact optical systems for focusing and zoom. Isabel Rodriguez, an institute research scientist and project team member, noted that biconvex, biconcave, planoconcave and planoconvex lenses of different sizes can be created with the approach. Lens tuning is done solely through pressure changes and does not require electricity,...Read full article

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    Published: April 2006
    Institute of Materials Research and Engineeringlensesmobile phonesoptical systemsOpticsResearch & TechnologyTech Pulse

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