Wen Yu, Jiajie Zhu, Yan Xu, Xitao Tu, Yuanbiao Tong, Yu Xie, Pan Wang*, Limin Tong and Lei Zhang*,
{"title":"Optical Nanofiber-Enabled Self-Detection Picobalance","authors":"Wen Yu, Jiajie Zhu, Yan Xu, Xitao Tu, Yuanbiao Tong, Yu Xie, Pan Wang*, Limin Tong and Lei Zhang*, ","doi":"10.1021/acsphotonics.4c00216","DOIUrl":null,"url":null,"abstract":"<p >Highly sensitive and compact microforce sensors with piconewton-level resolution are essential in various fields. However, these sensors face the challenge of delicate fabrication, expensive instruments, and complicated signal processing. Here, we report an ultrasensitive microforce sensor with a nanonewton-scale working range and piconewton-level resolution (picobalance) using a 500 nm diameter U-shaped silica optical nanofiber (ONF) as the cantilever beam and a gold microflake as the sample tray. The ONF can detect its deflection upon microforce by monitoring the change of its transmittance, making it a self-detection picobalance with a linear response to microforce in the range of 0–11.2 nN based on theoretical calculation. Benefiting from the extremely low spring constant of the ONF (e.g., 0.15 mN/m), the picobalance achieves a force resolution of 3.3 pN in an experiment measuring the radiation pressure. As proof-of-concept demonstrations, measuring nanogram-level microparticles and radiation pressure are realized. We believe that this easy-to-use picobalance has great potential for biological sensing, biomechanical research, and environmental monitoring.</p>","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":null,"pages":null},"PeriodicalIF":6.5000,"publicationDate":"2024-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS Photonics","FirstCategoryId":"101","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acsphotonics.4c00216","RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Highly sensitive and compact microforce sensors with piconewton-level resolution are essential in various fields. However, these sensors face the challenge of delicate fabrication, expensive instruments, and complicated signal processing. Here, we report an ultrasensitive microforce sensor with a nanonewton-scale working range and piconewton-level resolution (picobalance) using a 500 nm diameter U-shaped silica optical nanofiber (ONF) as the cantilever beam and a gold microflake as the sample tray. The ONF can detect its deflection upon microforce by monitoring the change of its transmittance, making it a self-detection picobalance with a linear response to microforce in the range of 0–11.2 nN based on theoretical calculation. Benefiting from the extremely low spring constant of the ONF (e.g., 0.15 mN/m), the picobalance achieves a force resolution of 3.3 pN in an experiment measuring the radiation pressure. As proof-of-concept demonstrations, measuring nanogram-level microparticles and radiation pressure are realized. We believe that this easy-to-use picobalance has great potential for biological sensing, biomechanical research, and environmental monitoring.
期刊介绍:
Published as soon as accepted and summarized in monthly issues, ACS Photonics will publish Research Articles, Letters, Perspectives, and Reviews, to encompass the full scope of published research in this field.