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发明名称
光弹性测定方法及其装置
摘要
将以水晶赋予既定之转角的偏光照射于测定对象物,并以光弹性调变器对所反射回来的反射光施加调变,再以BDP(Beam Displacing Prism)分离成属起始光之第1偏光和包含有弹性信号的第2偏光。以绕射光栅将此第2偏光分光,并以一维的第1线感测器检测。从所检测之光谱信号仅抽出交流成分,并求得双折射之变化量,再由其分布求得主应力之差与其方向及该主应力之差系压缩或拉伸。
申请公布号
TW200914790
申请公布日期
2009.04.01
申请号
TW097127882
申请日期
2008.07.23
申请人
学校法人庆应义塾;东丽工程股份有限公司
发明人
三井隆久;工藤重树;金泽昌广;村田浩之
分类号
G01B11/24(2006.01)
主分类号
G01B11/24(2006.01)
代理机构
代理人
何金涂;何秋远
主权项
地址
日本
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