Nanofiber based displacement sensor

Chengjie Ding; Maxime Joos; Constanze Bach; Tom Bienaimé; Elisabeth Giacobino; E. Wu; Alberto Bramati; Quentin Glorieux

doi:10.1007/s00340-020-07452-1

Nanofiber based displacement sensor

Chengjie Ding
, Maxime Joos
, Constanze Bach
, Tom Bienaimé
, Elisabeth Giacobino
, E. Wu
, Alberto Bramati
, Quentin Glorieux^*

^*Corresponding author for this work

Institute for Advanced Study in Precision Spectroscopy

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

We report on the realization of a displacement sensor based on an optical nanofiber. A single gold nano-sphere is deposited on top of a nanofiber and the system is placed within a standing wave which serves as a position ruler. Scattered light collected within the guided mode of the fiber gives a direct measurement of the nanofiber displacement. We calibrated our device and found a sensitivity up to 1.2 nm/Hz. As an example of application, a mechanical model based on the Mie scattering theory is then used to evaluate the optically induced force on the nanofiber by an external laser and its displacement. With our sensing system, we demonstrate that an external force of 1 pN applied at the nanofiber waist can be detected.

Original language	English
Article number	103
Journal	Applied Physics B: Lasers and Optics
Volume	126
Issue number	6
DOIs	https://doi.org/10.1007/s00340-020-07452-1
State	Published - 1 Jun 2020

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title = "Nanofiber based displacement sensor",

abstract = "We report on the realization of a displacement sensor based on an optical nanofiber. A single gold nano-sphere is deposited on top of a nanofiber and the system is placed within a standing wave which serves as a position ruler. Scattered light collected within the guided mode of the fiber gives a direct measurement of the nanofiber displacement. We calibrated our device and found a sensitivity up to 1.2 nm/Hz. As an example of application, a mechanical model based on the Mie scattering theory is then used to evaluate the optically induced force on the nanofiber by an external laser and its displacement. With our sensing system, we demonstrate that an external force of 1 pN applied at the nanofiber waist can be detected.",

author = "Chengjie Ding and Maxime Joos and Constanze Bach and Tom Bienaim{\'e} and Elisabeth Giacobino and E. Wu and Alberto Bramati and Quentin Glorieux",

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T1 - Nanofiber based displacement sensor

AU - Ding, Chengjie

AU - Joos, Maxime

AU - Bach, Constanze

AU - Bienaimé, Tom

AU - Giacobino, Elisabeth

AU - Wu, E.

AU - Bramati, Alberto

AU - Glorieux, Quentin

PY - 2020/6/1

Y1 - 2020/6/1

N2 - We report on the realization of a displacement sensor based on an optical nanofiber. A single gold nano-sphere is deposited on top of a nanofiber and the system is placed within a standing wave which serves as a position ruler. Scattered light collected within the guided mode of the fiber gives a direct measurement of the nanofiber displacement. We calibrated our device and found a sensitivity up to 1.2 nm/Hz. As an example of application, a mechanical model based on the Mie scattering theory is then used to evaluate the optically induced force on the nanofiber by an external laser and its displacement. With our sensing system, we demonstrate that an external force of 1 pN applied at the nanofiber waist can be detected.

AB - We report on the realization of a displacement sensor based on an optical nanofiber. A single gold nano-sphere is deposited on top of a nanofiber and the system is placed within a standing wave which serves as a position ruler. Scattered light collected within the guided mode of the fiber gives a direct measurement of the nanofiber displacement. We calibrated our device and found a sensitivity up to 1.2 nm/Hz. As an example of application, a mechanical model based on the Mie scattering theory is then used to evaluate the optically induced force on the nanofiber by an external laser and its displacement. With our sensing system, we demonstrate that an external force of 1 pN applied at the nanofiber waist can be detected.

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JO - Applied Physics B: Lasers and Optics

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Nanofiber based displacement sensor

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