Self-positioning Microspheres for Direct-write Nanolithography using Bessel Beam Optical Traps

使用贝塞尔光束光阱进行直写纳米光刻的自定位微球

• 批准号: 0928803
• 负责人: Craig Arnold
• 金额: $ 31.66万
• 依托单位: Princeton University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-10-01 至 2012-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0928803&HistoricalAwards=false
• 关键词: Self; positioning; Microspheres; Direct; write

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). Optical trap-assisted nanolithography is a novel technique providing high resolution nanoscale rapid prototyping over different types of surfaces. Small plastic beads, used as near-field lenses for pulsed-laser processing, are placed in close proximity to a surface by means of an optical trap. The force from the light pushing down on the beads suspended in liquid is balanced by a repelling force pushing up from the surface allowing the beads to reach an equilibrium position near the surface and enabling one to move them with computer-controlled accuracy. Arrays of beads provide high-throughput parallel-processing for nanomanufacturing applications without the need for active feedback and monitoring of each bead. In this study, the fundamental interactions among the bead, surface, and solution are examined experimentally and theoretically in order to understand the underlying physics of the configuration, providing a direct path toward improved speed and scalability and expanding the applicability of this emerging technique to other new and exciting systems. The results of this project will have a significant impact on the field of direct-write nanomanufacturing as well as other important areas in which interactions between a bead and a surface under different environments appear, such as biology, energy, colloidal sciences, or even consumer foods and skin care products. Given the broad appeal, a number of important educational activities are planned including module development for community science museums and web based projects.

该奖项是根据2009年《美国复苏与再投资法》（公法111-5）资助的。 光学陷阱辅助纳米光刻是一种新型技术，可在不同类型的表面上提供高分辨率的纳米级快速原型。 用作脉冲激光处理的小型塑料珠被用作脉冲激光处理的近场镜头，通过光学陷阱靠近表面。 从液体悬浮在液体上的珠子上向下推的光线的力是通过从表面向上推动的排斥力来平衡的，从而使珠子可以在表面附近达到平衡位置，并使人们能够以计算机控制的精度移动它们。 珠子阵列为纳米制造应用提供了高通量并行处理，而无需主动反馈和监视每个珠子。 在这项研究中，在实验和理论上对珠子，表面和溶液之间的基本相互作用进行了研究，以了解配置的基本物理，从而为提高速度和可扩展性提供了直接的途径，并扩展了这种新兴技术对其他新的新型和令人兴奋的系统的适用性。 该项目的结果将对直接写入纳米制造的领域以及其他重要领域产生重大影响，在不同的环境下出现珠子和表面之间的相互作用，例如生物学，能源，能量，胶体科学，甚至消费者食品和皮肤护理产品。 鉴于广泛的吸引力，计划进行许多重要的教育活动，包括针对社区科学博物馆和基于Web的项目的模块开发。