Peer-reviewed Journals

[1] Owusu Twumasi, J., DeStefano, P., & Christian, J. T. (2020). The application of synthetic aperture radar imaging technique to measure the moisture content of concrete structures. Measurement, 152, 107335.

[2] Owusu Twumasi, J., DeStefano, P., & Christian, J. T. (2020). A Reliability-Based Condition Assessment of Structural Concrete Using Synthetic Aperture Radar Imaging Techniques. Research in Nondestructive Evaluation, 1-20. (Published Online: April 6, 2020)

[3] Yu, T., Owusu Twumasi, J., Le, V., Tang, Q., & D’Amico, N. (2017). Surface and subsurface remote sensing of concrete structures using synthetic aperture radar imaging. Journal of Structural Engineering, 143(10), 04017143

[4] Du, C., Owusu Twumasi, J., Tang, Q., Guo, X., Zhou, J., Yu, T., & Wang, X. (2018). All-Optical Photoacoustic Sensors for Steel Rebar Corrosion Monitoring. Sensors, 18(5), 1353

Conference Proceedings

[1] Tang, Q., Owusu Twumasi, J., Hu, J., Wang, X., & Yu, T. (2018, March). Finite element simulation of photoacoustic fiber optic sensors for surface corrosion detection on a steel rod. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII (Vol. 10599, p. 105991N). International Society for Optics and Photonics.

[2] Hu, J., Tang, Q., Owusu Twumasi, J., & Yu, T. (2018, March). Characterization of steel rebar spacing using synthetic aperture radar imaging. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII (Vol. 10599, p. 1059915). International Society for Optics and Photonics.

[3] Du, C., Owusu Twumasi, J., Tang, Q., Wu, N., Yu, T., & Wang, X. (2018, March). Real-time corrosion detection of rebar using an embeddable fiber-optic ultrasound sensor. In Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2018 (Vol. 10598, p. 1059833). International Society for Optics and Photonics.

[4] Ingemi, C. M., Owusu Twumasi, J., & Yu, T. (2018, March). Electromagnetic characterization of white spruce at different moisture contents using synthetic aperture radar imaging. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII (Vol. 10599, p. 1059917). International Society for Optics and Photonics.

[5] Ingemi, C. M., Owusu Twumasi, J., Litt, S., & Yu, T. (2017, April). Condition assessment of corroded steel rebar in free space using synthetic aperture radar images. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017 (Vol. 10169, p. 101691F). International Society for Optics and Photonics.

[6] Owusu Twumasi, J., & Yu, T. (2017, June). Corrosion current level estimation of rust samples using inverse dielectric spectroscopy. In 2017 IEEE Electrical Insulation Conference (EIC) (pp. 404-407). IEEE.

[7] Owusu Twumasi, J., Le, V., Tang, Q., & Yu, T. (2016, April). Quantitative sensing of corroded steel rebar embedded in cement mortar specimens using ultrasonic testing. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2016 (Vol. 9804, p. 98040P). International Society for Optics and Photonics.

[8] Le, V., Yu, T., Owusu Twumasi, J., & Tang, Q. (2016, April). Sizing and ranging criteria for SAR images of steel and wood specimens. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2016 (Vol. 9804, p. 980404). International Society for Optics and Photonics.

[9] Bi, S., Wu, N., Zhou, J., Tang, Q., Owusu Twumasi, J., Yu, T., & Wang, X. (2016, April). Ultrasonic transmission from fiber-optic generators on a steel plate. In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2016 (Vol. 9804, p. 98040Q). International Society for Optics and Photonics.

[10] Qin, Y., Owusu Twumasi, J., Le, V. Q., Ren, Y. J., Lai, C. P., & Yu, T. (2016, May). Roadside IED detection using subsurface imaging radar and rotary UAV. In Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XXI (Vol. 9823, p. 982317). International Society for Optics and Photonics.

[11] Owusu Twumasi, J., & Yu, T. (2015, April). Forward and inverse dielectric modeling of oven-dried cement paste specimens in the frequency range of 1.02 GHz to 4.50 GHz. In Structural Health Monitoring and Inspection of Advanced Materials, Aerospace, and Civil Infrastructure 2015 (Vol. 9437, p. 943724). International Society for Optics and Photonics.

Conference Presentations

[1] Conference name: IEEE Electrical Insulation Conference (EIC) at Baltimore, MD - 2017, Title of presentation: Corrosion current level estimation of rust samples using inverse dielectric spectroscopy

[2] Conference name: The 29th Annual Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP) at Denver, CO - 2016, Title of presentation: Surface and Subsurface Sensing of Bridges using Unmanned Aerial Vehicle with Radar and Image Sensors

[3] Confernce name: The 7th Advances in Cement-Based Materials (Cements 2016), Edwardsville, IL - 2016
Title of presentation: Electromagnetic Imaging of Concrete Specimen with Various Moisture Contents

[4] Conference name: The International Society for Optics (SPIE) Conference at San Diego, CA - 2015, Title of presentation: Forward and inverse dielectric modeling of oven-dried cement paste specimens in the frequency range of 1.02 GHz to 4.50 GHz

[5] Symposium name: University of Massachusetts Student Symposium at UMass Conference & Inn – 2014
Title of presentation: Dielectric Modeling of Cementitious Materials – An Aid to Nondestructive Evaluation (NDE) of Concrete Structures using Radar NDE