Angle- and polarization-independent mid-infrared narrowband optical filters using dense arrays of resonant cavities

Abstract

We report design and experimental verification of narrowband mid-infrared optical filters with transmission characteristics that are practically constant over a wide range of incident angles. The filter employs a dense array of dielectric resonant cavities in a metal film, and it becomes polarization-independent when geometry of the cavities is azimuthally symmetric.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Oct 15, 2019
Accession Number
AD1090233

Entities

People

  • E. M. Smith
  • Ivan Avrutsky
  • Joshua R Hendrickson
  • Justin W. Cleary
  • Ricky Gibson
  • Shivashankar Vangala

Tags

Communities of Interest

  • Advanced Electronics
  • Sensors

DTIC Thesaurus Topics

  • Air Force
  • Air Force Research Laboratories
  • Cavity Resonators
  • Dielectric Waveguides
  • Electromagnetic Radiation
  • Films
  • Filters
  • Frequency
  • Geometry
  • Materials
  • Metal Films
  • Narrowband
  • Optical Filters
  • Resonance
  • Resonators
  • Surface Plasmon Polaritons
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Forest Ecology