磁场对物质折射特性影响研究与装置设计STUDY OF THE EFFECT OF MAGNETIC FIELD ON THE REFRACTIVE PROPERTIES OF SUBSTANCES AND DESIGN OF DEVICES
冉玉晶,陈笑,诸嘉雯,彭元莉,叶雯,陈森
摘要(Abstract):
基于光的全反射原理,设计了一种可研究磁场与物质折射率关系的测量装置。利用该装置,通过改变磁场强度大小以及磁化时间长短精准地测量了甘油、NaCl溶液以及不同浓度的KCl溶液折射率的变化。实验结果表明:磁场强度越大,折射率越大;折射率随磁化时间增大而增大,且磁场越大,折射率到达稳定所需时间越短。该装置囊括了物理原理、装置设计、智能化数据分析等多方面技术,体现了光学实验与数据采集实验的联动,操作方便、数据实时显示、测量效率及精度较高,在教学及磁场对液体折射率测量仪器的研制上具备实际推广意义和参考价值。
关键词(KeyWords): 磁场;折射率;液体浓度;全反射
基金项目(Foundation): 中央高校基本科研业务费(FRF-TP-22-144A1);; 北京科技大学课程思政特色示范课程建设项目(KC2022SZ28)
作者(Author): 冉玉晶,陈笑,诸嘉雯,彭元莉,叶雯,陈森
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