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Updated: Jun 24, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

Simultaneous Optical and Mechanical Sensing Based on Optomechanical Resonators.

Elena Sentre-Arribas¹, Alicia Aparicio-Millán¹, Aristide Lemaître²

¹OptoMechanicalSensors Lab, Instituto de Micro y Nanotecnología, IMN-CNM (CSIC), Isaac Newton 8 (PTM), E-28760 Tres Cantos, Madrid Spain.

|December 29, 2023

Summary

This summary is machine-generated.

This study integrates optical and mechanical resonators in nanoscale devices for enhanced environmental sensing. Combining both resonance types significantly improves sensor performance and resolution for temperature and humidity detection.

Keywords:

biological and chemical sensing environmental monitoring multiparametric sensing optical and mechanical sensors optomechanical resonators

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Last Updated: Jun 24, 2026

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Area of Science:

Physics
Materials Science
Nanotechnology

Background:

Optical and mechanical resonators are widely used in sensing but developed separately.
Nanoscale optomechanical disk resonators offer high-quality optical and mechanical modes in small volumes.

Purpose of the Study:

To investigate the synergistic benefits of combining optical and mechanical resonances in a single sensing device.
To determine the performance improvements for environmental sensing applications.

Main Methods:

Utilizing nanoscale optomechanical disk resonators supporting simultaneous optical and mechanical modes.
Characterizing optical and mechanical responsivities to temperature and relative humidity.
Analyzing frequency stabilities to determine limits of detection.

Main Results:

Mechanical modes show higher sensitivity to relative humidity (0.05% resolution).
Optical modes show higher sensitivity to temperature (0.6 mK resolution).
Simultaneous monitoring achieves 0.1% humidity and 1 mK temperature resolution.

Conclusions:

Integrating optical and mechanical resonators significantly enhances sensor performance.
Simultaneous monitoring allows for disentangling environmental parameters.
Active optical mode tracking is crucial for optimal optomechanical sensor operation.