Dielectric sculptured nematic thin films for rugate-like filters

Vijayakumar C. Venugopal, Akhlesh Lakhtakia

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


A sculptured nematic thin film (SNTF) slab with sinusoidally nonhomogeneous permittivity dyadic is shown to act as a polarization-discriminatory bandstop filter for normally incident light. A cascade of two matched SNTF slabs is shown to act as a polarization-insensitive rugate-like filter.

Original languageEnglish (US)
Pages (from-to)217-222
Number of pages6
JournalOptics Communications
Issue number4-6
StatePublished - Apr 15 1998

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering


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