Aerogel waveplates

Pradeep Bhupathi, Jungseek Hwang, Rodica M. Martin, Jackson Blankstein, Lukas Jaworski, Norbert Mulders, David B. Tanner, Yoonseok Lee

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Optical transmission measurements were made on 98% porosity silica aerogel samples under various degrees of uniaxial strain. Uniaxially compressed aerogels exhibit large birefringence, proportional to the amount of compression, up to the 15% strain studied. The birefringence is mostly reversible and reproducible through multiple compression-decompression cycles. Our study demonstrates that uniaxially strained high porosity aerogels can be used as tunable waveplates in a broad spectral range.

Original languageEnglish
Pages (from-to)10599-10605
Number of pages7
JournalOptics Express
Volume17
Issue number13
DOIs
StatePublished - 22 Jun 2009

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