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Opportunity at Air Force Research Laboratory (AFRL)

Characterization of Photonic Crystals, Metamaterials, and Metasurfaces

Location

Munitions Directorate, RW/Advanced Guidance

RO# Location
13.45.03.B7505 Eglin Air Force Base, FL 325426810

Advisers

Name E-mail Phone
Touma, Jimmy E jimmy.touma.1@us.af.mil 850.882.0340

Description

The last two decades have seen a tremendous interest in “controlling light” using photonic crystals. Photonic crystals, also known as photonic band-gap materials, are periodic structures that forbid light of a certain frequency range from propagating in the material. Photonic crystals occur naturally in beetle and butterfly wings and on the feathers of certain birds. They are also attributed to the active color change in chameleons. By studying the properties of photonic crystals, researchers can gain insight in how insects interpret reflected light signals from other insects to distinguish between conspecifics and insects of other species, and to recognize gender in conspecifics.

We would like to develop methodologies to analyze the band structure of photonic crystal lattices of design interest to (1) compute the reflection and transmission spectra for finite photonic crystal arrays with due attention being paid to frequency bands and incidence angles of interest, (2) develop a complete numerical models for select crystal designs, and (3) validate our designs and hypotheses by analyzing data produced by the experiments conducted within this project.

Research is not limited to PC but can also include metamaterials & metasurfaces. Applicants must be US citizens.

 

Keywords:
Photonic crystals; Optical band-gaps; Metamaterials; Plasmonics; Metasurfaces; Butterfly wing scales; Iridescence; Brillouin zone;

Eligibility

Citizenship:  Open to U.S. citizens
Level:  Open to Postdoctoral and Senior applicants
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