Measurement of hygroscopic strain in deodar wood during convective drying using lensless Fourier transform digial holography

Manoj Kumar; Chandra Shakher

doi:10.1117/12.2227464

26 April 2016 Measurement of hygroscopic strain in deodar wood during convective drying using lensless Fourier transform digial holography

Manoj Kumar, Chandra Shakher

Author Affiliations +

Proceedings Volume 9890, Optical Micro- and Nanometrology VI; 989007 (2016) https://doi.org/10.1117/12.2227464
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

In this paper, moisture induced deformation and shrinkage behaviour of deodar wood during convective drying is experimentally investigated by using digital holographic interferometry. There induces dimensional changes in wood due to the moisture absorption and desorption. Lensless Fourier transform digital holographic interferometry (LLFTDH) is used to study the moisture induced deformation and strain distribution in deodar wood. The proposed technique having high sensitivity and enables the observation of deformation and strain distribution during the variations of moisture content in the deodar wood.

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Manoj Kumar and Chandra Shakher "Measurement of hygroscopic strain in deodar wood during convective drying using lensless Fourier transform digial holography", Proc. SPIE 9890, Optical Micro- and Nanometrology VI, 989007 (26 April 2016); https://doi.org/10.1117/12.2227464

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