Demonstration of a PDMS based hybrid grating and fresnel lens (G-Fresnel) device

Chuan Yang, Kebin Shi, Perry Edwards, Zhiwen Liu

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

A hybrid device that we term G-Fresnel (i.e., grating and Fresnel) is demonstrated. It fuses the functions of a grating and a Fresnel lens into a single device. We have fabricated the G-Fresnel device by using polydimethylsiloxane (PDMS) based soft lithography. Three-dimensional surface profilometry has been performed to examine the device quality. We have also conducted optical characterizations to confirm its dual focusing and dispersing properties. The G-Fresnel can be useful for the development of miniature optical spectrometers as well as emerging optofluidic applications.

Original languageEnglish (US)
Pages (from-to)23529-23534
Number of pages6
JournalOptics Express
Volume18
Issue number23
DOIs
StatePublished - Nov 8 2010

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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