Plasmonic Grating Geometries And Wavelength-Dependent Focus Depth In Infrared Detectors

Abstract

The objective for this research is to determine a relationship between plasmonic grating geometries and the wavelength-dependent focus depth. This research is focused on enhancing the signal collected by infrared detectors by using a metal grating as a planar lens to focus light in the detecting region of the substrate. This can be used to maintain a thinner absorbing region and possibly to create multi-color imaging in a single pixel. Simulations demonstrate that the plasmonic lens is capable of creating a wavelength dependent focus spot.

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Document Details

Document Type
Technical Report
Publication Date
Mar 22, 2018
Accession Number
AD1056156

Entities

People

  • Patrick R Kennedy

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Advanced Electronics
  • Sensors

DTIC Thesaurus Topics

  • Air Force
  • Band Gaps
  • Band Structures
  • Conduction Bands
  • Detection
  • Detectors
  • Electromagnetic Fields
  • Energy Bands
  • Engineering
  • Frequency
  • Geometry
  • Infrared Detectors
  • Magnetic Fields
  • Materials
  • Metal Films
  • Optics
  • Photons
  • Physics
  • Simulations
  • Solid State Physics
  • Surface Plasmon Polaritons
  • Three Dimensional
  • Two Dimensional
  • Visible Spectra

Fields of Study

  • Physics

Readers

  • Image Processing and Computer Vision.
  • Spectroscopy.