Biography
Professional Background
- Smalley Postdoctoral Fellow, Rice University, 2015–2018
- Visiting Researcher – CNRS Strasbourg France, 2018
Research Interests
- Laser-based metal additive manufacturing
- Optical beam shaping
- Two-photon lithography 3D printing
- Near-field microscopy and optical force-based interactions
- Light-matter interactions in plasmonics and metamaterials
- Laser damage in materials
Education
- MS and PhD, Materials Science and Engineering, Norfolk State University, Norfolk, VA, 2009–2015
- BS, Purdue University, Materials Science and Engineering, West Lafayette, IN, 2009
Publications
2040 1 publication
- T. U. Tumkur, X. Yang, C. Zhang, Y. Zhang, G. V. Naik, P. Nordlander, N. J. Halas, ‘Wavelength-dependent Near Field Imaging of Optical Forces in Bimetallic Plasmonic Al-Au Heterodimers’, Nano Letters18 (3), 2040–2046,2018
2021 2 publications
- T. U. Tumkur, T. Voisin, R. Shi, P. J. Depond, T. T. Roehling, S. Wu, M. F. Crumb, J. D. Roehling, G. Guss, S. A. Khairallah, M. J. Matthews, ‘Non-diffractive beam shaping for enhanced optothermal control in metal additive manufacturing’, Science Advances 7 (38), eabg9358, 2021 (Cover article)
- T. U. Tumkur, R. Sokhoyan, M. P. Su, A. Ceballos-Sanchez, G. K. Shirmanesh, Y. Kim, H. A. Atwater, E. Feigenbaum, S. Elhadj, ‘Toward high laser power beam manipulation with nanophotonic materials: evaluating thin film damage performance’, Optics Express, 29 (5), 7261-7275, 2021
2019 1 publication
- T. U. Tumkur*, M. A. Hurier*, M. D. Pichois, M. Vomir, B. Donnio, J. L. Gallani, and M. V. Rastei. ‘Photoinduced Atomic Force Spectroscopy and Imaging of Two-Dimensional Materials’ Phys. Rev. Appl. 11, 044066, 2019
2018 1 publication
- C. Zhang*, T. U. Tumkur*, J. Yang, M. Lou, L. Dong, L. Zhou, P. Nordlander, N. J. Halas, ‘Optical-Force-Dominated Directional Reshaping of Au Nanodisks in Al–Au Heterodimers’, Nano letters18 (10), 6509-6514, 2018. [*equal contribution]
2016 2 publications
- T. U. Tumkur*, X. Yang*, B. Cerjan, N. J. Halas, P. Nordlander, I. Thomann, ‘Photo-induced force mapping of plasmonic nanostructures’, Nano Letters16 (12), 7942-7949, 2016
- T. U. Tumkur, G. Zhu, M. A. Noginov, ‘Strong coupling of surface plasmon polaritons and ensembles of dye molecules’, Optics Express24 (4), 3921-3928, 2016 (Surface Plasmon Photonics special issue)
2014 1 publication
- T. U. Tumkur, J. K. Kitur, C. E. Bonner, E. E. Narimanov, M. A. Noginov, ‘Control of Förster energy transfer in vicinity of metallic surfaces and hyperbolic metamaterials, Faraday Discussions, FD 178, 2014
Awards
LLNL Director’s award for DEI, 2022
First place winner—Postdoc Research Slam! at LLNL, 2019
J. Evans/Attwell–Welch Postdoctoral fellowship, Rice University, 2018