Direct and Clean Loading of Nanoparticles into Optical Traps at Millibar Pressures

Maryam Nikkhou, Yanhui Hu, James Sabin, James Millen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Nanoparticles levitated by optical fields under vacuum conditions have applications in quantum science, the study of nanothermodynamics and precision sensing. The existing techniques for loading optical traps require ambient conditions and often involve dispersion in liquids, which can contaminate delicate optics and lead to enhanced optical absorption and heating. Here, we present a clean, dry and generic mechanism for directly loading optical traps at pressures down to 1 mbar, exploiting Laser Induced Acoustic Desorption and allowing for the rapid and efficient trapping of nanoparticles.
Original languageEnglish
Article number458
Pages (from-to)458
JournalPhotonics
Volume8
Issue number11
Early online date20 Oct 2021
DOIs
Publication statusPublished - Nov 2021

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