基于光干涉法的光学玻璃应力测量方法研究  

Measurement method of optical glass stress based on optical interference

作　　者：郭长立[1] 杨曼[1] 郭朝霞[1] 王守全[1] 杨易[1] 

机构地区：[1]西安科技大学理学院,陕西西安710054

出　　处：《应用光学》2015年第6期923-930,共8页Journal of Applied Optics

基　　金：教育部2014年立项课题(DWJZW201417xb)

摘　　要：以平板理论为基础,利用牛顿环应力变形导致干涉图样的微小变化,提出一种基于光干涉法测量玻璃体应力的无损测量方法。理论推导出牛顿环曲率半径与应力之间的变换关系,利用自行设计的可安装在牛顿环仪上的施压装置,实验研究了施加应力与干涉图样的变换关系,通过理论分析与实验比较,证明了用牛顿环干涉法测量应力的可行性。利用该装置及方法对光学玻璃试样的应力进行测量,测量结果与实际施加的应力进行比较,误差最小为0.8%。Based on the plate theory,using the tiny changes of interference pattern under the stress deformation on Newton's rings,we put forward an nondestructive optical vitreous stress measurement method based on the optical interference theory.We theoretically deduced the analytic formula between the curvature radius of Newton's rings and the stress,by using a designed pressure applying device which could be reasonably installed on the Newton's ring device,experimentally studied the transformation relation between the applied stress and the interference pattern,eventually proved the feasibility of the stress measurement method based on interference technique with Newton's ring through theoretical analysis and experimental comparison.Using this system to measure the stress of the optical glass sample,the minimum error between the measurement results and the actual stress is 0.8%.

关 键 词：光干涉法 应力测量 平板理论 牛顿环 应力施加装置 

分 类 号：TQ171.734[化学工程—玻璃工业]