Observation of a large optical birefringence effect in a (110) oriented porous silicon layer

K. Hakshur, S. Ruschin

Research output: Contribution to journalArticlepeer-review

Abstract

We account the observation of the largest reported birefringence effect in a semi-artificial material. An in-plane birefringence of more than 0.7 was observed at the blue-green optical spectral range in a porous silicon film fabricated by electrochemical etching of a (110) Si wafer. Birefringent films are of interest in a variety of applications including sensing and polarization control.

Original languageEnglish
Article number051909
JournalApplied Physics Letters
Volume104
Issue number5
DOIs
StatePublished - 3 Feb 2014

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