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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Sałbut, Leszek
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Publications (5/5 displayed)
- 2015Simple optical method for recognizing physical parameters of graphene nanoplatelets materials
- 2014Optical measurements of selected properties of nanocomposite layers with graphene and carbon nanotubes fillerscitations
- 2007The grating interferometry and the strain gauge sensors in the magnetostriction strain measurements
- 2007The studies of the illumination/detection module in Integrated Microinterferometric Extensometer
- 2001Long base optical extensometer for tensile testing machines
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document
The studies of the illumination/detection module in Integrated Microinterferometric Extensometer
Abstract
In this paper the novel, miniaturized full-field optical extensometer for full-field in-plane displacement measurement is presented. It consists of two modules: illumination/detection module (IDM) and Measurement Head (MH) based on grating interferometry. In the paper we study the performance of IDM, which provides the object illumination beam and captures the output interferogram. The characterization of VCSEL comprises determination of polarization state, intensity distribution, coherence path length and shape of the wavefront after being collimated by beam forming optics. The detector matrix has been tested mainly in respect of the signal to noise ratio at various exposure times and its spatial uniformity of sensitivity.