Shearography is a full-field speckle interferometric technique used to determine surface
displacement derivatives. For an interferometric technique, shearography is particularly …

This paper presents the activities in the field of shearography in chronological order and
highlights the great potential of this holographic measurement technology. After a brief …

A direct phase estimation (DPE) via Riesz transform from a speckle pattern (images) for
visualizing barely visible impact damage (BVID) occurring in layered composites is …

Monitoring of extreme dynamic loadings on composite materials with high temporal and
spatial resolution provides an important insight into the understanding of the material …

We developed a pulsed digital shearography system that utilizes the spatial phase-shifting
technique. The system employs a commercial micropolarizer camera and a double pulse …

A non-contact, full-field vision-based non-destructive inspection (V-NDI) system was
developed with multiple damages detection capabilities in composite structures under …

This work presents the design and preliminary results of a high-speed shearography
instrument in development for surface strain components measurements during an impact …

Laser interferometry is one of the most applicable methods of calculating the surface
displacement derivatives that can visualize very small displacement gradients, in µm/m …

تداخل سنجی لیزری، یکی از روش‌های نوین در اندازه‌گیری مشتقات جابجایی است که قادر است
گرادیان جابجایی‌های بسیار کوچک در ابعاد میکرومتر را اندازه‌گیری و محدوده‌ی گسترده‌ای از سطح …‎

As técnicas de inspeção não destrutiva são atualmente ferramentas essenciais à
engenharia. Nos mais diversos setores da indústria, quer seja na mecânica, eletrónica …