Circular polarization filters made of chiral sculptured thin films: Experimental and simulation results

Qihong Wu, Ian J. Hodgkinson, Akhlesh Lakhtakia

Research output: Contribution to journalArticle

132 Scopus citations

Abstract

Thin-film helicoidal bianisotropic medium (TFHBM) layers with large local linear birefringence are fabricated using the serial bideposition technique. The viability of axially excited TFHBM layers as circular polarization filters is experimentally demonstrated. The presence of index-matched cover and substrate media is shown to enhance the filter performance of a TFHBM layer. A thinner TFHBM layer is required for adequate performance when the local linear birefringence is higher.

Original languageEnglish (US)
Pages (from-to)1863-1868
Number of pages6
JournalOptical Engineering
Volume39
Issue number7
DOIs
StatePublished - Jul 1 2000

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering(all)

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