在线监测纸质文物表面杂色曲霉的光纤传感器  

Optical Fiber Sensor for Online Monitoring of Aspergillus versicolor on Surfaces of Paper Cultural Relics

作　　者：余秋会 解泉华 王建旭 钟年丙 曾檀[1] 唐欢 汤斌[1,2] 赵明富 Yu Qiuhui;Xie Quanhua;Wang Jianxu;Zhong Nianbing;Zeng Tan;Tang Huan;Tang Bin;Zhao Mingfu(Key Scientific Research Base of State Administration of Cultural Heritage for Pest Control of Cultural Relics,Chongqing China Three Gorges Museum,Chongqing 400013,China;Chongqing Key Laboratory of Optical Fiber Sensor and Photoelectric Detection,Chongqing Engineering Research Center of Intelligent Optical Fiber Sensing Technology,Chongqing University of Technology,Chongqing 400054,China)

机构地区：[1]重庆中国三峡博物馆馆藏文物有害生物控制研究国家文物局重点科研基地,重庆400013 [2]重庆理工大学光纤传感与光电检测重庆市重点实验室、智能光纤感知技术重庆市高校工程研究中心,重庆400054

出　　处：《激光与光电子学进展》2023年第23期88-93,共6页Laser & Optoelectronics Progress

基　　金：重庆市科委技术创新与应用发展专项(cstc2020jscx-msxmX0097);重庆市教委科学技术研究重大项目(KJZDM202201101);重庆市高校创新研究群体项目(CXQT21035);国家重点研发计划资助项目(2020YFC1522500);重庆理工大学研究生创新项目(gzlcx20222021,gzlcx20222023)。

摘　　要：为了实现对纸质文物表面杂色曲霉生长过程的在线无损监测,研制了一种反射式光纤光谱传感器,该传感器由1根锥形入射光纤和6根接收光纤构成。首先建立了传感器测量纸质文物表面霉菌微生物的理论模型,接着表征了纸质样品表面杂色曲霉的形貌特征,最后利用传感器对纸质样品表面杂色曲霉的生长过程进行了在线监测。研究表明,该传感器能准确获得杂色曲霉的特征吸收峰(295 nm和390 nm),当杂色曲霉高度在101.1~596.0μm范围时,传感器输出信号与杂色曲霉生长高度间具有线性关系,检测下限达到10μm。A reflective fiber-optic spectral sensor is developed to realize online nondestructive monitoring of the growth process of Aspergillus versicolor on the surfaces of paper cultural relics.The sensor consists of one tapered input and six receiving fibers.First,the principle of sensor measurement of mold microorganisms on the surfaces of paper cultural relics is established.Then,the morphological characteristics of Aspergillus versicolor on the surfaces of paper samples are derived.Finally,the growth process of Aspergillus versicolor on the surfaces of paper samples is monitored online by the sensor.The results indicate that the sensor can accurately obtain the characteristic absorption peaks(295 nm and 390 nm)of Aspergillus versicolor.When the height of Aspergillus versicolor is in the range of 101.1‒596.0μm,the output signal of the sensor has a linear relationship with the growth height of Aspergillus versicolor,and the detection limit reaches 10μm.

关 键 词：光纤光学 纸质文物 杂色曲霉 在线无损监测 光纤光谱 反射式传感器 灵敏度 

分 类 号：TN253[电子电信—物理电子学]