Optical potential-well array for high-selectivity, massive trapping and sorting at nanoscale

• Main Authors: Shi, Yuzhi, Zhao, Haitao, Chin, Lip Ket, Zhang, Yi, Yap, Peng Huat, Ser, Wee, Qiu, Cheng-Wei, Liu, Ai Qun
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2021
• Subjects: Engineering::Electrical and electronic engineering; Optofluidics; Nanoparticle Separation
• Online Access: https://hdl.handle.net/10356/151473
• Institution: Nanyang Technological University

Optical tweezers are versatile tools capable of sorting microparticles, yet formidable challenges are present in the separation of nanoparticles smaller than 200 nm. The difficulties arise from the controversy on the requirement of a tightly focused light spot in order to create strong optical force...