Strain responsive concave and convex microlens arrays

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dc.contributor.authorChandra, Dinesh
dc.contributor.authorYang, Shu
dc.contributor.authorLin, Pei-Chun
dc.date2023-05-17T01:57:09.000
dc.date.accessioned2023-05-23T00:03:36Z
dc.date.available2023-05-23T00:03:36Z
dc.date.issued2007-12-20
dc.date.submitted2008-02-14T06:15:13-08:00
dc.description.abstractWe report the fabrication of single-component, strain responsive microlens arrays with real-time tunability. The concave lens array is fabricated by patterning hard oxide layer on a bidirectionally prestretched soft elastomer, polydimethylsiloxane PDMS followed by confined buckling upon release of the prestrain. The convex microlens array is replica molded from the concave lenses in PDMS. Due to difference in lens formation mechanisms, the two types of lenses show different tunable range of focal length in response to the applied strain: large focal length change is observed from the concave microlens array, whereas that from the convex microlens array is much smaller.
dc.description.commentsCopyright 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. Reprinted in Applied Physics Letters, Volume 91, Article No. 251912, December 2007, 3 pages. Publisher URL: http://dx.doi.org/10.1063/1.2827185
dc.identifier.urihttps://repository.upenn.edu/handle/20.500.14332/40983
dc.legacy.articleid1154
dc.legacy.fulltexturlhttps://repository.upenn.edu/cgi/viewcontent.cgi?article=1154&context=mse_papers&unstamped=1
dc.source.issue140
dc.source.journalDepartmental Papers (MSE)
dc.source.peerreviewedtrue
dc.source.statuspublished
dc.titleStrain responsive concave and convex microlens arrays
dc.typeArticle
digcom.identifiermse_papers/140
digcom.identifier.contextkey427110
digcom.identifier.submissionpathmse_papers/140
digcom.typearticle
dspace.entity.typePublication
relation.isAuthorOfPublication0a7eaa22-624b-42f8-a41a-5d21694f101a
relation.isAuthorOfPublication.latestForDiscovery0a7eaa22-624b-42f8-a41a-5d21694f101a
upenn.schoolDepartmentCenterDepartmental Papers (MSE)
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