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Theoretical and experimental demonstrations of a microfiber-based flexural disc accelerometer.

G Y Chen1, X L Zhang, G Brambilla

  • 1Optoelectronics Research Centre, University of Southampton, Southampton, UK. gyc1g09@orc.soton.ac.uk

Optics Letters
|September 21, 2011
PubMed
Summary

A new microfiber accelerometer offers high compactness and responsivity due to its small size and bending radii. This flexural disc accelerometer achieved ~2.2 rad/g performance, with longer microfibers promising even greater responsivity.

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Area of Science:

  • Micro-electro-mechanical systems (MEMS)
  • Sensor technology
  • Materials science

Background:

  • Traditional accelerometers face limitations in size and sensitivity.
  • Microfiber technology offers potential for miniaturized and highly responsive sensors.

Purpose of the Study:

  • To demonstrate a proof-of-concept for a microfiber-based flexural disc accelerometer.
  • To investigate the impact of microfiber size and bending radii on device performance.
  • To establish a baseline performance metric for microfiber accelerometers.

Main Methods:

  • Fabrication of a flexural disc accelerometer using a microfiber.
  • Characterization of the accelerometer's performance, including responsivity.
  • Analysis of the relationship between microfiber dimensions and device output.

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Last Updated: May 29, 2026

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Main Results:

  • Successful demonstration of a microfiber-based flexural disc accelerometer.
  • Achieved a responsivity of approximately 2.2 rad/g for a 10 mm long microfiber.
  • Observed high device compactness and responsivity attributed to reduced microfiber size and bending radii.

Conclusions:

  • Microfiber-based flexural disc accelerometers are feasible and offer significant advantages in compactness and responsivity.
  • Device performance, particularly responsivity, is expected to scale with microfiber length.
  • This technology holds promise for advanced inertial sensing applications.