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高灵敏度云纹干涉法
High sensitivity moire interferometry
【摘要】 将折射率介质应用于云纹干涉法,大大提高了测量灵敏度。当试件栅频率为600线/mm时,虚栅频率可达到6000线/mm,利用其±5级衍射光进行干涉,灵敏度为0.16μm。
【Abstract】 Refractive index medium has been introduced in moire interferometry.The method significantly increased the sensitivity of conventional moire interferometry.This whole-field in-plane displacement measurement method was developed for micromechanics studies.
【关键词】 云纹干涉法;
折射率介质;
灵敏度;
细观实验力学;
【Key words】 moire interferometry; index medium; sensitivity; micro-experimental mechanics;
【Key words】 moire interferometry; index medium; sensitivity; micro-experimental mechanics;
- 【文献出处】 清华大学学报(自然科学版) , 编辑部邮箱 ,1994年02期
- 【分类号】O348.12
- 【被引频次】4
- 【下载频次】78