物理实验
物理實驗
물리실험
PHYSICS EXPERIMENTATION
2013年
10期
41-43,48
,共4页
光纤%光栅%温度应变传感
光纖%光柵%溫度應變傳感
광섬%광책%온도응변전감
optical fiber%optical grating%temperature and strain sensors
采用长周期光纤光栅边缘滤波方法，解调传感信号波长，避免原有仪器频繁调节波长扫描光栅导致的仪器坏损，提高了实验的便利性、数据获取的准确率和实验成功率；改用手工测量实验数据，完成数据整理、加工、计算及用图表展示实验结果，这些应用将有利于培养学生的学习能力和实践能力。
採用長週期光纖光柵邊緣濾波方法，解調傳感信號波長，避免原有儀器頻繁調節波長掃描光柵導緻的儀器壞損，提高瞭實驗的便利性、數據穫取的準確率和實驗成功率；改用手工測量實驗數據，完成數據整理、加工、計算及用圖錶展示實驗結果，這些應用將有利于培養學生的學習能力和實踐能力。
채용장주기광섬광책변연려파방법，해조전감신호파장，피면원유의기빈번조절파장소묘광책도치적의기배손，제고료실험적편리성、수거획취적준학솔화실험성공솔；개용수공측량실험수거，완성수거정리、가공、계산급용도표전시실험결과，저사응용장유리우배양학생적학습능력화실천능력。
A long-period optical fiber grating was applied to demodulate the signal wavelength based on edge filtering ,w hich avoided the potential damaged to the instrument caused by adjusting the scanning grating too frequently .The improved experimental setup effectively promoted the conven-ience of operation ,the accuracy of data acquiring and the success rate of the experiment .In addition , by manual operation in measuring ,data processing ,calculating and the experiment results displaying , the students could really cultivate their learning ability and practical ability .
