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11月22日学术报告

来源: 发布时间:2012-11-20【字体:

报告题目:Enhancing light-matter interaction at the nanoscale with plasmonic nanostructures

报告人:Dr. Weihua Zhang

报告人单位:NanoStructure Laboratory, the Department of Electrical Engineering, Princeton University

时间:2012年11月22日(周四)下午1:30

地点: 溢智厅

报告摘要:

Abstract The intrinsically weak light-matter interactions are one of the major challenges in nano-optics. The large intensity and strong confinement of plasmon fields at nanostructured metal surfaces offer a great potential for addressing the challenge, promising many significant applications. This presentation discusses the design and fabrication of various plasmonic nanostructures, such as nano-tips, single optical antennas, and optical antenna arrays, with the emphasis on their applications in the following fields: (1) tip-enhanced Raman spectroscopy, (2) optical trapping and detection of nano-objects, and (3) ultrasensitive chem-/bio-sensing techniques.

报告人简历

Dr. Weihua Zhang is a post-doctoral research associate in the Nanostructure Laboratory at Princeton University. He received his B.S. degree (2001) and M.S. degree (2004) in Physics from Peking University, and Ph.D. degree in Chemistry from ETH Zurich, Switzerland (2007), followed by two postdoctoral appointments in Nanophotonics and Metrology Laboratory at EPFL Lausanne, Switzerland (2008-2010) and at Princeton University (2010-present).

Dr. Zhang’s research has been mainly focused on nano-optics and related areas, including near-field optical microscopy and spectroscopy, light-matter interactions in strongly confined optical fields, and plasmonics & metamatrials, with the aim at tackling today’s most important issues and challenges, such as point-of-care testing, food safety inspection, energy, and environmental crises. Since 2007, he published 24 peer reviewed journal papers (citation > 600, H-index 14), and 2 book chapters. Dr. Zhang also serves as a reviewer for Nature Photonics, Nano Lett, ACS Nano, J. Am. Chem. Soc., Nanoscale, Opt. Express, Opt. Lett., Langmuir, J. Chem. Phys., and Anal. Chem.


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