All-fiber sensors for salinity and temperature simultaneous measurement

被引：17
|
作者：
Selokar, Tanushree [1 ]
Rocco Giraldi, Maria Thereza [2 ]
机构：
[1] Ctr Fed Educ Tecnol Celso Suckow Fonseca CEFET RJ, BR-27220110 Rio De Janeiro, RJ, Brazil
[2] Inst Militar Engn IME, Rio De Janeiro, RJ, Brazil
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2021年 / 53卷 / 01期
关键词：
Mach-Zehnder interferometer; Core diameter mismatch; Balloon shaped; Salinity; Temperature; MACH-ZEHNDER INTERFEROMETER; REFRACTIVE-INDEX; STRAIN; CONDUCTIVITY;
D O I：
10.1007/s11082-020-02678-x
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this work, simple all-fiber sensors are developed based on a balloon shaped single mode fiber (SMF) structure together with core diameter mismatch (CDM) structures to measure salinity and temperature. The balloon shaped SMF structure as well as the CDM structures are based on the Mach-Zehnder interferometer. Experimental results show that the maximum sensitivity of salinity is 168.35 pm/% of NaCl in saline solution in the range from 5 to 35% and the maximum sensitivity of temperature ranging from 21 to 42 degrees C is 735.6 pm/degrees C. The feasibility of simultaneously measuring temperature and salinity with the present sensors has been successfully demonstrated.
引用
收藏
页数：17
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