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Humidity sensor based on a multimode-fiber taper coated with polyvinyl alcohol interacting with a fiber bragg grating

หน่วยงาน Nanyang Technological University, Singapore

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ชื่อเรื่อง : Humidity sensor based on a multimode-fiber taper coated with polyvinyl alcohol interacting with a fiber bragg grating
นักวิจัย : Li, Tao , Dong, Xinyong , Chan, Chi Chiu , Zhao, Chun-Liu , Zu, Peng
คำค้น : -
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2554
อ้างอิง : Li, T., Dong, X., Chan, C. C., Zhao, C.-L., Zu, P. (2011). Humidity sensor based on a multimode-fiber taper coated with polyvinyl alcohol interacting with a fiber bragg grating. IEEE Sensors Journal, 12(6), 2205-2208. , http://hdl.handle.net/10220/11256 , http://dx.doi.org/10.1109/JSEN.2011.2181358
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : IEEE sensors journal
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

An optical fiber relative humidity (RH) sensor is proposed and experimentally demonstrated with a multimode-fiber taper coated with a layer of polyvinyl alcohol cascading with a fiber Bragg grating. The operation is based on the interaction between the optical evanescent field and the coating along the taper waist. Humidity changes the refractive index of the extended coating, thus transmission loss of the light signal is introduced and humidity measurement is therefore realized. The measurement sensitivity is enhanced since the light passes through the taper twice. A maximum sensitivity of 1.994 μW/%RH is achieved within the measurement range of 30-95%RH with the taper waist diameter of 50.2 μm. The average response time is ~2 s and the measurement is nearly insensitive to temperature.

บรรณานุกรม :
Li, Tao , Dong, Xinyong , Chan, Chi Chiu , Zhao, Chun-Liu , Zu, Peng . (2554). Humidity sensor based on a multimode-fiber taper coated with polyvinyl alcohol interacting with a fiber bragg grating.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Li, Tao , Dong, Xinyong , Chan, Chi Chiu , Zhao, Chun-Liu , Zu, Peng . 2554. "Humidity sensor based on a multimode-fiber taper coated with polyvinyl alcohol interacting with a fiber bragg grating".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Li, Tao , Dong, Xinyong , Chan, Chi Chiu , Zhao, Chun-Liu , Zu, Peng . "Humidity sensor based on a multimode-fiber taper coated with polyvinyl alcohol interacting with a fiber bragg grating."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2554. Print.
Li, Tao , Dong, Xinyong , Chan, Chi Chiu , Zhao, Chun-Liu , Zu, Peng . Humidity sensor based on a multimode-fiber taper coated with polyvinyl alcohol interacting with a fiber bragg grating. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2554.