Electromagnetics

Program Description:

This portfolio supports research in Electromagnetics (EM) whose objective is the interrogation (modeling/simulation) of linear/nonlinear Maxwell’s equations.

Basic Research Objectives:

Basic research to produce conceptual descriptions of electromagnetic properties of novel materials/composites (such as photonic band gap media, negative index media, Parity-Time symmetry media, etc.) and the simulation of their uses in various operational settings is encouraged. Basic research in inverse scattering theory in order to promulgate new methods which recognize and track targets or upgrade efforts to pursue Nondestructive Evaluation is encouraged. Efforts to identify suitable wideband radar waveforms to penetrate foliage, clouds, buildings, the ionosphere, or other dispersive/random/turbulent media as well as to design transmitters to produce such waveforms are also supported. Research which develops the mathematical underpinning for computational electromagnetic simulation codes (both frequency domain and time domain) that are rapid and whose claims of accuracy are accompanied by rigorous error estimates/controls is encouraged. In the area of nonlinear Maxwell’s equations, commonly called nonlinear optics, research pursues descriptions of nonlinear EM phenomena such as the propagation of Ultrashort laser pulses through air, clouds, etc and any possible exploitation of these pulses is supported. Such mathematical descriptions are anticipated to be a coupled system of nonlinear partial differential equations. Basic research in other nonlinear EM phenomena include the dynamics of the EM field within solid state laser
cavities (particularly the modeling/simulation of nonequilibrium carrier dynamics within semiconductor lasers) and fiber lasers, the propagation of light through various nonlinear
crystals (including Graphene), as well as other nonlinear optical media. All such modeling/simulation research is complementary to the experimental portfolios within AFOSR. Another area of interest is the description and understanding of any chaos in circuitry which can possibly be created by exposure to suitable EM fields.

Solicitation
BAA-AFRL-AFOSR-2015-0001

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Program Overview
AFOSR Spring Review 2014 Presentation by Dr. Arje Nachman.

Contact Information
Dr. Arje Nachman
AFOSR/RT
Tele: (703) 696-8427
DSN: 426-8427
FAX: (703) 696-8450
Email: Electromagnetics@afosr.af.mil