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Updated: Mar 28, 2026

$Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing$

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing

Published on: March 13, 2013

Transient microcavity sensor.

Fang-Jie Shu, Chang-Ling Zou, Şahin Kaya Özdemir

|December 25, 2015

Summary

This summary is machine-generated.

This study introduces a high-sensitivity transient sensor using a high-quality (high-Q) microcavity. The sensor detects ultrafast environmental changes and nanoparticle characteristics with enhanced sensitivity.

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Area of Science:

Optics and Photonics
Nanotechnology
Sensor Technology

Background:

Microcavities offer high sensitivity for sensing applications.
Transient phenomena require advanced detection methods for ultrafast environmental variations.

Purpose of the Study:

To theoretically propose and investigate a transient, high-sensitivity sensor.
To explore the sensor's capability in detecting ultrafast environmental changes and nanoparticle dynamics.

Main Methods:

Theoretical modeling of a high-Q microcavity sensor.
Utilizing fast laser frequency scanning or fixed laser frequency monitoring.
Analyzing non-equilibrium response for enhanced sensitivity.

Main Results:

Demonstrated sensing of nanoparticles adhering to and passing by the microcavity.
Ability to detect coupling region, external linear variation, nanoparticle speed, and size.
Non-equilibrium response enhances sensitivity and reveals ultrafast variance.

Conclusions:

The proposed transient sensor achieves high sensitivity for dynamic sensing.
This research opens new avenues for fast dynamic sensing applications using microcavities.