专题

2016.5.24 学术报告:Nanofabrication with optical super-resolution direct laser writing and new opportunities for optical innovations

副标题:

时间:2016-05-23  来源:文本大小:【 |  | 】  【打印

  报告题目:Nanofabrication with optical super-resolution direct laser writing and new opportunities for optical innovations 

    

  报告人:曹耀宇(Yaoyu Cao)教授 

  Nanophotonic Devices Group 

  Institute of Photonics Technology, Jinan University, Guangzhou 

    

  时间:2016524日星期二下午230 

  地点:1号楼瞬态室三楼会议室 

    

  报告摘要:Nanotechnology has underpinned cutting-edge researches with continued spreading scope from nano-photonics to nano-biology, which compels soaring demands on nanofabrication techniques. Compared with conventional EBL technology, direct laser writing (DLW), emerging as a powerful fabrication tool to realize three-dimensional micro/nanostructures,  has demonstrated its exceptional advantages in non-contact, mask-free, cost effective and flexibility in various materials. However, the DLW suffers from relatively low accuracy and resolution owing to the diffraction nature of light, while manipulates photon beams with a microscopy-based approach. This physical fundamental limit, also named as Ernst Abbe’s law, prevents fine resolution in the fabrication from the nano-scale.  

      In this report, an emerging direct laser writing technique inspired by optical super-resolution nanoscopy is demonstrated for realizing three dimensional nanostructures. A super-resolved feature in deep sub-wavelength scale can be achieved by employing a two-beam optical super-resolution approach. This could provide a great opportunity to develop disruptive optical techniques. 

    

    

  报告人简介: 

  Yaoyu Cao is professor of the Institute of Photonics technology at Jinan University, where he has joined since 2016. He received a B. S. from the University of Science and Technology of China in 2004. From 2007 to 2008, he studied as a visiting Ph. D. candidate in Nanophotonics lab at RIKEN in Japan. He received his Ph. D. from the Technical Institute of Physics and Chemistry, Chinese Academy of Sciences in 2009. From 2009 to 2016, he worked in Centre for Micro-Photonics at Swinburne University of Technology in Australia. He was the session chair of Optical Data Storage 2014 at SPIE. In 2016, he was awarded the “1000 Youth Talents” program. 

  As one of the research pioneers in 3D laser nanofabrication of functional materials, Yaoyu Cao has published over 15 internationally referred journal publications including Nature Communications, Small and light science&applications. He demonstrated the world’s smallest 3D metallic nanostructure based on ultra-fast direct laser writing as well as the world’s record nanofeatures with the size of 9 nm based on dual-beam optical super-resolution technique, and opened an entirely new land of optical super-resolution technique enabled applications in the nanolithography and the ultra-high density optical data storage.