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Plasmonic Nanofocusing for Scalable Nanomanufacturing

Event Type
Department of Mechanical Science and Engineering
2005 Mechanical Engineering Lab (Deere)
Apr 11, 2018   12:00 - 1:00 pm  
Professor Liang Pan, Mechanical Engineering & Nanotechnology Center, Purdue University
Allison Mette
Originating Calendar
MechSE Seminars


Nanoscale optical energy focusing using plasmonic structures can circumvent the diffraction limit, which is useful for many applications, such as nanoscale imaging, absorption enhancement in solar cells, surface enhanced Raman scattering, a near-field transducer for heat-assisted magnetic recording, plasmonic nanolithography, and hybrid electronic-plasmonic chips. Many of these applications are featured by their nanoscale spatial field distribution and strong light-matter interaction. Understanding their responses and discovering new physics are of great importance to maintain their functionality and stability of these plasmonic structures, and to create new applications. Here, we will give an overview of our recent progress in studies of plasmonic nanoscale focusing schemes to achieve high efficiencies and resolutions and their new uses in plasmonic optical nanolithography and plasmonic-enhanced electron nanolithography. This plasmonic nanomanufacturing scheme has the potential of orders of magnitude higher throughput than most of the current maskless techniques and opens a new cost-effective route towards the next generation nanomanufacturing. Besides patterning and material processing, this nearfield technique can also lead to niche applications such as data storage, nanoscale metrology and imaging, and alternative energy.


About the Speaker

Liang Pan is an Assistant Professor of Mechanical Engineering and Birck Nanotechnology Center at Purdue University, West Lafayette, IN, USA. He received his M.S. and Ph.D. in Mechanical Engineering from UC Berkeley in 2009 and 2010, and B.S. and M.E. from University of Science and Technology of China (USTC). Prior joining Purdue, he worked as a Postdoctoral Researcher in the NSF’s Nano-scale Science and Engineering Center (NSEC) for Scalable and Integrated Nanomanufacturing (SINAM). Dr. Pan studies light-matter interactions with an emphasis on developing novel micro- and nano-manufacturing processes, products, and systems for lithography, data storage, communication, and thermal and energy applications. Dr. Pan was a recipient of the 2016 NSF CAREER Award.


Hosts:  Professor Sam Tawfick

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