A Method For Measuring Strain Directly By Laser Objective Speckles

Zhou Xingeng; Niu Lin

doi:10.1117/12.939077

15 January 1988 A Method For Measuring Strain Directly By Laser Objective Speckles

Zhou Xingeng, Niu Lin

Proceedings Volume 0673, Holography Applications; (1988) https://doi.org/10.1117/12.939077
Event: Holography Applications, 1986, Beijing, China

Abstract

A laser beam impings on a small region of object surface to be measured and objective speckles are recorded by a photoplate. Strains at measured point on object surface determined from a double-exposure specklegram. The equations were derived and two experiments were done.

Citation Download Citation

Zhou Xingeng and Niu Lin "A Method For Measuring Strain Directly By Laser Objective Speckles", Proc. SPIE 0673, Holography Applications, (15 January 1988); https://doi.org/10.1117/12.939077

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