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Title: Lens integrated with self-aligned variable aperture using pneumatic actuation method
Authors: Yu, H. 
Zhou, G. 
Sinha, S.K. 
Chau, F.S. 
Wang, S.
Keywords: Elastomeric molding
Variable aperture
Issue Date: Apr-2010
Citation: Yu, H., Zhou, G., Sinha, S.K., Chau, F.S., Wang, S. (2010-04). Lens integrated with self-aligned variable aperture using pneumatic actuation method. Sensors and Actuators, A: Physical 159 (1) : 105-110. ScholarBank@NUS Repository.
Abstract: A method based on the combination of elastomeric molding and optofluidic technologies is proposed to realize the integration of pneumatically actuated variable aperture into a lens component for miniature optical systems. The main feature of the assembly is the self-aligning property between lens and aperture. All the structures are fabricated onto a polydimethylsiloxane (PDMS) substrate and the prototype is experimentally demonstrated to possess the self-aligning characteristic without requiring any tuning mechanisms. At the same time, additional tunability of the lens focal length can also be easily obtained with this design concept. © 2010 Elsevier B.V. All rights reserved.
Source Title: Sensors and Actuators, A: Physical
ISSN: 09244247
DOI: 10.1016/j.sna.2010.03.001
Appears in Collections:Staff Publications

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