‘Jason Valentine’
“Compound Meta-Optics for Complete and Loss-Less Field Control” published in ACS Nano, selected as VINSE Spotlight Publication
Mar. 22, 2023—Hanyu Zheng is a fifth-year Ph.D. student in Dr. Jason Valentine’s group majoring in Electrical and Computer Engineering. His research focuses on metasurface-based devices with applications in spatial light modulation and imaging processing. Hanyu’s recent publication in ACS Nano introduced a novel method based on compound meta-optics for complete and lossless spatial light modulation. Metasurface...
Dissertation Defense: Hanyu Zheng, Electrical Engineering
Mar. 2, 2023—DISSERTATION DEFENSE Hanyu Zheng, Electrical Engineering *under the direction of Dr. Jason Valentine “Compound Meta-optic for Complete Wavefront Control” 03.07.23 | 2:00pm CST | Stevenson 2212 Optical metasurfaces, based on subwavelength structuring, offer a compact platform for manipulation of the amplitude, phase and polarization state of light. Independent control over these properties, however, is hindered by the limited engineering...
Inaugural VU-ORNL Collaborative Workshop on November 21st
Nov. 1, 2022—The first VU-ORNL collaborative workshop on nanoscience will be held on Monday, Nov. 21, 2022 in the Engineering and Science Building. 12 distinguished ORNL staff scientists and 10 Vanderbilt faculty will speak at the event which focuses on the most exciting current research and near future opportunities in nanoscience for energy and the environment. Faculty, graduate...
VINSE recognizes faculty accomplishments in 16th annual fall faculty celebration
Sep. 27, 2022—Please join in welcoming new members of the VINSE community and congratulate the VINSE faculty on recent accomplishments and promotions. WELCOME De-en Jiang | Megan Dernberger | Jamie Kuntz | Benjamin Schmidt FACULTY PROMOTIONS We celebrate the recent promotions of the following faculty: Endowed Chairs John T. Wilson – named Chancellor Faculty Fellow Promotion & Tenure Joshua D. Caldwell –...
“Dynamic Color Tuning with Electrochemically Actuated TiO2 Metasurfaces” published in Nano Letters selected as VINSE Spotlight Publication
Jun. 17, 2022—About the author: Janna Rathert recently completed a Ph.D. in Mechanical Engineering under the direction of Prof. Jason Valentine at Vanderbilt University and Prof. Cary Pint at Iowa State University. The collaboration between the Pint and Valentine groups seeks to explore ways in which electrochemical methods can be leveraged to reversibly modulate photonic devices, especially...
Dissertation Defense: Janna Rathert, Mechanical Engineering
May. 18, 2022—DISSERTATION DEFENSE Janna Rathert, Mechanical Engineering *under the direction of Dr. Jason Valentine & Dr. Cary Pint “Optimization of Ionic Transport in Electrochemical Devices” 05.25.22 | 11:00am CST | 132 Featheringill Hall | Zoom The increase in atmospheric greenhouse gas concentrations due to anthropogenic emissions poses imminent threats to Earth’s climate system and its most vulnerable...
Hong named to Paul and Daisy Soros Fellowship Program for New Americans
May. 4, 2022—Tao Hong Tao Hong, a second-year Ph.D. student in interdisciplinary materials science, and Hari Srinivasan, an incoming Ph.D. student in neuroscience, have been named to the 2022 cohort of the Paul and Daisy Soros Fellowship Program for New Americans. Hong, a member of VINSE, is co-advised by Professor Jason Valentine and Professor Deyu Li. This merit-based graduate...
Meet Our Graduates: Austin Howes
Jan. 4, 2022—Austin Howes earned his Ph.D. in Physics in 2020 under Jason Valentine. His work advanced the field of metasurfaces to include new types of miniaturized optics that can be dynamically tuned. During his time at Vanderbilt, Austin witnessed VINSE’s construction and was one of the early super-users on many of the nanofabrication tools. He took...
Meet Our Graduates: You Zhou
Dec. 10, 2021—You Zhou earned his Ph.D. in Interdisciplinary Materials Science in August 2020 under the supervision of Prof. Jason Valentine. You Zhou’s PhD research is to address the current trend towards miniaturization of photonic devices and nanophotonic systems. In one key advance, You developed 3D cascaded flat optics as a pathway for adding complexity and functionality to...
VINSE recognizes faculty accomplishments in annual fall faculty celebration
Sep. 15, 2021—Join in welcoming new members of our community, recognizing the accomplishments of our community, and celebrating faculty promotions. WELCOME Michael J. Valenti & Christina L. McGahan FACULTY PROMOTIONS We celebrate the recent promotions of the following faculty: Endowed Chairs Craig L. Duvall – named Cornelius Vanderbilt Chair Joshua D. Caldwell – named Flowers Family Chancellor...