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Steven A. Cummer

William H. Younger Distinguished Professor of Engineering
Electrical and Computer Engineering
Box 90291, Durham, NC 27708-0291
3455 CIEMAS, Durham, NC 27708

Overview


Dr. Steven Cummer received his Ph.D. in Electrical Engineering from Stanford University in 1997 and prior to joining Duke University in 1999 he spent two years at NASA Goddard Space Flight Center as an NRC postdoctoral research associate. Awards he has received include a National Science Foundation CAREER award and a Presidential Early Career Award for Scientists and Engineers (PECASE) in 2001. His current work is in a variety of theoretical and experimental electromagnetic problems related to geophysical remote sensing and engineered electromagnetic materials.

Current Appointments & Affiliations


William H. Younger Distinguished Professor of Engineering · 2019 - Present Electrical and Computer Engineering, Pratt School of Engineering
Professor of Electrical and Computer Engineering · 2012 - Present Electrical and Computer Engineering, Pratt School of Engineering
Associate Chair of Faculty Affairs in the Department of Electrical and Computer Engineering · 2024 - Present Electrical and Computer Engineering, Pratt School of Engineering

In the News


Published October 4, 2024
Most Tropical Lightning Storms Are Radioactive
Published August 21, 2024
Snap, Crackle, Pop: How Lightning Works
Published August 5, 2022
Steve Cummer: New Information on “Gigantic Jet” Lightning Bursts That Reach Toward Space

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Recent Publications


Synthesis of broadband multilayer metamaterial absorbers based on spatially variable 3D-printed structures and MXenes

Journal Article Physical Review Applied · December 1, 2025 We introduce a systematic approach for enhancing the absorbance of multilayer metamaterial absorbers (MMA) by combining deep-subwavelength spatially variable dielectric substrates with the increased Ohmic losses of MXene resonators. We choose MXenes to for ... Full text Cite

Diurnal Variations of the Electron Density in the Nighttime Lower Ionosphere Derived From a Massive Data Set of Tweek Atmospherics

Journal Article Earth and Space Science · November 1, 2025 Tweek atmospherics are ELF/VLF pulse signals with frequency dispersion characteristics that originate from lightning discharges. Previous research has employed tweek atmospherics to examine long-term trends in the lower ionosphere; however, their utility i ... Full text Cite

Measuring location and properties of very high frequency sources emitted from an aircraft flying through high clouds.

Journal Article Nature communications · November 2025 While broadband short-duration radio pulses from airplanes are commonly detected and used for calibration or as background in astrophysical observations, the precise locations of the emission regions cannot be determined in these studies. We show that it i ... Full text Cite
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Recent Grants


MRI: Track 1 Development of a Multi-Band Radio and Optical Lightning Imager

ResearchPrincipal Investigator · Awarded by National Science Foundation · 2024 - 2027

CEDAR: Large-scale detection of cloud-to-ionosphere electrical discharges and quantifying their effect on the ionosphere

ResearchPrincipal Investigator · Awarded by National Science Foundation · 2022 - 2026

Continent-scale low frequency lightning remote sensing

ResearchPrincipal Investigator · Awarded by National Science Foundation · 2020 - 2025

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Education, Training & Certifications


Stanford University · 1997 Ph.D.
Stanford University · 1993 M.S.E.E.
Stanford University · 1991 B.S.E.E.