强度调制型光纤传感器测量不同溶液浓度

doi:10.14139/j.cnki.cn22-1228.2025.03.002

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摘要

利用强度调制型光纤传感器测量酒精、食盐及蔗糖溶液的浓度。将不同浓度的溶液注入石英器皿中，单模稳定光源发射光束，单模石英光纤传导光束，光功率计显示光功率值，使用Origin软件分别拟合3种溶液光功率值与溶液浓度的函数表达式。将未知浓度溶液的光功率值代入拟合的表达式中即可求得其浓度。该实验操作简单、装置简易，适合多种溶液的测量，有利于基础教学与工程应用推广。

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	祁宁薇
	李思涵
	赵明月
	张　敏

关键词: 光纤传感器光功率透射光线性拟合

Abstract:

This study utilizes intensity-modulated fiber-optie sensors to measure the eoneentrations of aleoholsalt ,and sucrose solutions,Solutions of varying concentrations are injected into quartz vessels, A single-modestable light source emits a light beam , which is transmitted through an optical fiber and detected by a powermeter.Using Origin solware , the funetional relationships between the light power values and the coneentrationsof the three solutions are fitted.By substituting the light power values of unknown coneentration solutions intothe fitted expressions , their concentrations can be determined,This experiment is simple to operate , uses basicequipment,and is suitable for measuring various solutions, making it ideal for fundamental teachingapplications.

Key words: fiber-optic sensor light power transmitted light linear fitting

出版日期: 2025-06-25 发布日期: 2025-06-25 整期出版日期: 2025-06-25

ZTFLH:

Ｏ 4-33

基金资助:

国家自然科学基金（51101080）

引用本文:

祁宁薇, 李思涵, 赵明月, 张　敏. 强度调制型光纤传感器测量不同溶液浓度 [J]. 大学物理实验, 2025, 38(3): 7-11.
QI Ningwei , LI Sihan , ZHAO Mingyue , ZHANG Min. Intensity-modulated Fiber-optic Sensors for Measuring the Concentration of Different Solutions . Physical Experiment of College, 2025, 38(3): 7-11.

链接本文:

https://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2025.03.002 或 https://dawushiyan.jlict.edu.cn/CN/Y2025/V38/I3/7

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