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Atomic Force Microscopy

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Measurement of Maximum Isometric Force Generated by Permeabilized Skeletal Muscle Fibers

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Miniature all-fiber force sensor.

Simon Pevec, Denis Donlagic

|September 15, 2020

Summary

This summary is machine-generated.

This study introduces a miniature fiber optic sensor for precise force measurement. The novel silica-based Fabry-Perot sensor achieves micro-Newton resolution for applications like surface tension and biological sample analysis.

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Area of Science:

Materials Science
Optical Engineering
Biomedical Engineering

Background:

Miniaturized sensors are crucial for precise measurements in confined spaces.
Fiber optic sensors offer advantages in biocompatibility and electromagnetic immunity.
Fabry-Perot interferometry provides a robust platform for sensing applications.

Purpose of the Study:

To present a novel miniature all-fiber Fabry-Perot sensor for force measurement.
To demonstrate the sensor's capability for high-resolution force detection.
To explore its application in measuring surface tension and examining biological samples.

Main Methods:

Fabrication of a thin silica diaphragm at the fiber tip.
Integration of a silica pole and sensing probe for force application.
Experimental characterization of the sensor's force sensing resolution and range.

Main Results:

Demonstrated a force sensing resolution of approximately 0.6 µN.
Achieved an unambiguous sensor measurement range of approximately 0.6 mN.
Successfully applied the sensor for surface tension measurements and biological sample examination.

Conclusions:

The developed miniature all-fiber Fabry-Perot sensor is effective for precise force measurement.
Its high resolution and compact size make it suitable for delicate applications.
The sensor shows promise for advanced surface tension analysis and biomedical diagnostics.