Near-Field GHz Rotation and Sensing with an Optically Levitated Nanodumbbell.
Casimir torque
levitated optomechanics
nanorotor
near-field interaction
non-Newtonian gravity
torque sensing
Journal
Nano letters
ISSN: 1530-6992
Titre abrégé: Nano Lett
Pays: United States
ID NLM: 101088070
Informations de publication
Date de publication:
22 Nov 2023
22 Nov 2023
Historique:
medline:
1
11
2023
pubmed:
1
11
2023
entrez:
1
11
2023
Statut:
ppublish
Résumé
A levitated nonspherical nanoparticle in a vacuum is ideal for studying quantum rotations and is an ultrasensitive torque detector for probing fundamental particle-surface interactions. Here, we optically levitate a silica nanodumbbell in a vacuum at 430 nm away from a sapphire surface and drive it to rotate at GHz frequencies. The relative linear speed between the tip of the nanodumbbell and the surface reaches 1.4 km s
Identifiants
pubmed: 37909774
doi: 10.1021/acs.nanolett.3c02442
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM