Maj Daniel J. Emmons, PhD

Bio Photo

 

Contact:
Comm: (937) 255-3636 x4571
DSN: (937) 785-3636 x4571
Click to E-mail
View Department

Assistant Professor of Physics, Department of Engineering Physics, AFIT

Maj Dan Emmons’ research interests include: laser kinetics, plasma chemistry, and the effects of ionospheric disturbances on radio wave propagation.

Education

 Ph.D. Applied Physics - 2017

Air Force Institute of Technology, Wright-Patterson AFB, OH

Emphasis: Plasma physics

Dissertation: Analysis of Ar(1s5) metastable populations in high pressure argon-helium gas discharges

 M.S. Applied Physics - 2012

Air Force Institute of Technology, Wright-Patterson AFB, OH

Emphasis: Space environment

Thesis: Ensemble forecasting of coronal mass ejections using the WSA-ENLIL with CONED Model

 B.S. Physics - 2007

San Diego State University, San Diego, CA

Emphasis: Lasers and Optics

Awards

  • 2021 Faculty and Staff Excellence Award for Strategic Ohio Council for Higher Education (SOCHE)
  • 2021 Dean’s Distinguished Teaching Professor

Publications

[15] Emmons, D. J., K. S. Burg, O. A. Nava, E. V. Dao, K. Garcia-Sage, L. Rastaetter, J. Shim, and M. Kuznetsova, “Validation Technique for Modeled Bottomside Ionospheres Using Ray Tracing.” JDR&E 5, no. 2 (2022): 2-14. 

[14] Wu, D. L., D. J. Emmons, and N. Swarnalingam. "Global GNSS-RO Electron Density in the Lower Ionosphere." Remote Sensing 14, no. 7 (2022): 1577.

[13] Carmona, R. A., O. A. Nava, E. V. Dao, and D. J. Emmons. "A Comparison of Sporadic-E Occurrence Rates Using GPS
Radio Occultation and Ionosonde Measurements." Remote Sensing 14, no. 3 (2022): 581.

[12] Merriman, D. K., O. A. Nava, E. V. Dao, and D. J. Emmons. "Comparison of Seasonal foEs and fbEs Occurrence Rates Derived from Global Digisonde Measurements." Atmosphere 12, no. 12 (2021): 1558.

[11] Garland, S. H., D. J. Emmons, and Robert D. Loper. "Studying the conditions for magnetic reconnection in solar flares with and without precursor flares." Journal of Atmospheric and Solar-Terrestrial Physics (2021): 105788.

[10] Williams, J. E. S., R. C. Tournay, R. Tseng, D. J. Emmons, and O. A. Nava. "Impact of Hurricane Michael (2018) on local vertical total electron content." Journal of Atmospheric and Solar-Terrestrial Physics 219 (2021): 105647.

[9] Stambovsky, D. W., J. J. Colman, O. A. Nava, and D. J. Emmons. "Simulation of GPS radio occultation signals through Sporadic-E using the multiple phase screen method." Journal of Atmospheric and Solar-Terrestrial Physics 214 (2021): 105538.

[8] Aegerter, T. R. W., D. J. Emmons, and R. D. Loper. "Detection of reconnection signatures in solar flares." Journal of Atmospheric and Solar-Terrestrial Physics 208 (2020): 105375.

[7] Emmons, D. J., E. V. Dao, K. K. Knippling, L. F. McNamara, O. A. Nava, K. S. Obenberger, and J. J. Colman. "Estimating horizontal phase speeds of a traveling ionospheric disturbance from Digisonde single site vertical ionograms." Radio Science 55, no. 8 (2020): e2020RS007089.

[6] Emmons, D. J., and D. E. Weeks. "Steady-State Model of an Argon-Helium High-Pressure Radio Frequency Dielectric Barrier Discharge." IEEE Transactions on Plasma Science 48, no. 8 (2020): 2715-2722.

[5] Gooch, J. Y., J. J. Colman, O. A. Nava, and D. J. Emmons. "Global ionosonde and GPS radio occultation sporadic-E intensity and height comparison." Journal of Atmospheric and Solar-Terrestrial Physics 199 (2020): 105200.

[4] Emmons, D. J., and D. E. Weeks. "Effect of Ar(3p54p; 2p)+M → Ar(3p54s; 1s)+M branching ratio on optically pumped rare gas laser performance." Optics Express 27, no. 24 (2019): 35689-35699.

[3] Emmons, D. J., D. E. Weeks, B. Eshel, and G. P. Perram. "Metastable Ar(1s5) density dependence on pressure and argon-helium mixture in a high pressure radio frequency dielectric barrier discharge." Journal of Applied Physics 123, no. 4 (2018): 043304.

[2] Emmons, D. J., and D. E. Weeks. "Kinetics of high pressure argon-helium pulsed gas discharge." Journal of Applied Physics 121, no. 20 (2017): 203301.

[1] Emmons, D. J., A. Acebal, A. Pulkkinen, A. Taktakishvili, P. MacNeice, and D. Odstrcil. "Ensemble forecasting of coronal mass ejections using the WSA-ENLIL with CONED Model," Space Weather 11, no. 3 (2013): 95-106.

Conference Proceedings and Technical Reports

[6] Fry, C., D. Emmons, J. Stankiewicz, O. Nava., "DoC, DoD, NASA Response for NSW-SAP Actions 2.11.5" Space Weather Operations, Research and Mitigation Subcommittee, July 2021

[5] Codrescu, M., R. Steenburgh, O. Nava, D. Emmons., "DoC, DoD, NASA Response for NSW-SAP Actions 2.11.3," Space Weather Operations, Research and Mitigation Subcommittee, July 2021

[4] Han, J., M. C. Heaven, D. J. Emmons, G. P. Perram, D. E. Weeks, and W. F. Bailey, "Pulsed discharge production Ar* metastables," SPIE LASE, San Francisco, California, pp. 97290D-97290D, International Society for Optics and Photonics, April 2016

[3] Emmons, D. J., A. Nagy, J. Wyche, J. Zohner, and R. Thomas, "Advanced Tactical Laser collateral effects analysis," Proceedings of Fifth Annual Directed Energy Systems Symposium, Monterey, California, Directed Energy Professional Society, April 2010

[2] Emmons, D. J., A. Nagy, J. Wyche, J. Zohner, R. Thomas and E. Early, "Advanced Tactical Laser collateral effects analysis," AFRL-RH-BR-TR-2010-0044, 711th Human Performance Wing Technical Report, May 2010

[1] Zohner, J., A. Nagy, D. Emmons, and R. Thomas., "Results and Analysis of DETEC TREM Acceptance Test," AFRL-RH-BR-TR-2008-0018, Air Force Research Laboratory Technical Report, Nov 2007

Invited Talks and Papers

[4] Emmons D. (lead), R. Ringuette, Y. Zheng, A. Ridley, N. Gross, E. Olsson, V. Trakinski, and R. Walker, “What should CCMC’s education focus be?” NASA Community Coordinated Modeling Center (CCMC) Community Workshop, The Hotel at the University of Maryland, June 2022

[3] Emmons D., “Ionospheric Impacts to Human Activities on Earth,” American Meteorological Society Annual Meeting, Virtual, Jan 2022

[2] Emmons D., “Sporadic-E Formation, Measurements, and Occurrence Rates,” Subauroral Geophysical Observatory Fall Seminar, University of Alaska Fairbanks, Oct 2021

[1] Emmons D., "AFIT View of CCMC," NASA Community Coordinated Modeling Center (CCMC) Community Workshop, The Hotel at the University of Maryland, April 2018

 

 

Return to the top of the page

Air Force Institute of Technology
2950 Hobson Way
Wright-Patterson Air Force Base, OH 45433-7765
Commercial: 937-255-6565 | DSN: 785-6565