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A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
Published on: January 7, 2019
Packaged silica microsphere-taper coupling system for robust thermal sensing application.
Ying-Zhan Yan1, Chang-Ling Zou, Shu-Bin Yan
1Key Laboratory of Instrumentation Science and Dynamic Measurement (North University of China), Ministry of Education, Taiyuan, China.
Optics Express
|April 1, 2011
Summary
We developed a novel packaged microsphere-taper coupling structure (PMTCS) for high-performance fiber-integrated sensors. This robust device achieves a high quality factor (Q) and excellent temperature resolution, showing great potential for advanced laser applications.
Area of Science:
- Optics and Photonics
- Materials Science
- Sensor Technology
Background:
- Microsphere-taper coupling structures are crucial for integrated photonics.
- Achieving high quality factors (Q) and practical sensing capabilities remains a challenge.
Purpose of the Study:
- To develop a novel packaged microsphere-taper coupling structure (PMTCS).
- To enhance the quality factor (Q) and assess its performance in thermal sensing applications.
Main Methods:
- Utilized low refractive index (RI) ultraviolet (UV) glue for coating.
- Analyzed optical loss theoretically and experimentally.
- Conducted thermal sensing experiments to evaluate performance.
Main Results:
- Achieved a high quality factor (Q) up to 5×10^6.
- Identified glue absorption and radiation loss as key Q-limiting factors.
- Demonstrated a high temperature resolution of 1.1×10^-3 °C in thermal sensing.
Conclusions:
- The PMTCS offers excellent convenience, anti-jamming ability, robustness, mobility, and isolation.
- The developed structure maintains high Q over extended periods.
- The PMTCS shows significant potential for fiber-integrated sensors and lasers.
