Metallic particle manipulation with adjustable trapping range through customized field

Zhidong Bai, Shuoshuo Zhang, Yudong Lyu, Rui Zhao, Xifu Yue, Xiaolu Ge, Shenggui Fu, Zhongsheng Man

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)


Since the invention of optical tweezers, optical manipulation has advanced significantly in many applications, including atomic physics, biochemistry and soft matter physics. Here, we propose a method to trap metallic particles with adjustable trapping range in the transverse plane with the help of customized field. By tailoring the polarization state of the incident field, the focal field with elongation in the direction perpendicular to optical axis can be turned in the 4π focusing system. As a result, optical trapping with tunable trapping range is possible when the metallic particle is interacted with such customized field.

Original languageEnglish
Article number126045
Number of pages7
JournalOptics Communications
Publication statusPublished - 2020


  • Nanoparticles
  • Optical trapping
  • Optical tweezers
  • Trapping range

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