Fiber-optic airflow sensor for air quantity estimation in air conduit

Peng Zhang; Shuang Wang; Junfeng Jiang; Zhiyuan Li; Haokun Yang; Tiegen Liu

doi:10.1117/12.2601209

9 October 2021 Fiber-optic airflow sensor for air quantity estimation in air conduit

Peng Zhang, Shuang Wang, Junfeng Jiang, Zhiyuan Li, Haokun Yang, Tiegen Liu

Proceedings Volume 11901, Advanced Sensor Systems and Applications XI; 119010B (2021) https://doi.org/10.1117/12.2601209
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Abstract

A metal diaphragm-based airflow sensor based on fiber-optic Fabry-Perot (F-P) interference has been proposed and experimentally demonstrated. The sensor is composed of glass sleeving, ceramic ferrule and metal diaphragm. Through data calibration, a practical airflow sensor has been fabricated. As a result of the stainless steel diaphragm and open F-P cavity, the durability of the sensor is ensured, and it can be used in poor air quality environments. Experimental results in the airflow field show that the sensor has the potential to estimate the air quantity of high-speed airflow in various air conduit

Conference Presentation

Citation Download Citation

Peng Zhang, Shuang Wang, Junfeng Jiang, Zhiyuan Li, Haokun Yang, and Tiegen Liu "Fiber-optic airflow sensor for air quantity estimation in air conduit", Proc. SPIE 11901, Advanced Sensor Systems and Applications XI, 119010B (9 October 2021); https://doi.org/10.1117/12.2601209

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