Download e-book for iPad: Advanced Holography - Metrology and Imaging by I. Naydenova

By I. Naydenova

ISBN-10: 9533077298

ISBN-13: 9789533077291

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1403-1405. I. J. (2002). Holographic Optical Elements Recorded in Silver Halide Sensitized Gelatin Emulsions. Part 2. 41, pp. , Marquet, P. & Depeursinge, C. (2007). 15, pp. L. (1985). 27, Springer Verlag Berlin Heidelberg, ISBN 0-387-15573-2 Merzkirch, W. (1965). 3, pp. 1974-1976 Merzkirch, W. (1974). , Mounier, D. (2003). 42, pp. 1947-1957. , Gautier, B. & Gillet, S. (2005). 13, pp. J. W. (2000). 29, pp. J. W. (2001). 30, pp. , Minchev, G. & Sainov, V. (2009). Basic Holographic Characteristics of a Panchromatic Light Sensitive Material for Reflective Autostereoscopic 3D Display, EURASIP Journal on Advances in Signal Processing, Vol.

The intensity of the hologram with a phase-shift value  at the pixel coordinates (X, Y) on the CCD plane is expressed as I(X, Y, ). The amplitude a0(X, Y), the phase 0(X, Y) and the complex amplitude g(X, Y) of the object wave are expressed at the pixel coordinates (X, Y) on the CCD plane as follows, respectively. Three-Dimensional Displacement and Strain Measurements by Windowed Phase-Shifting Digital Holographic Interferometry 2 ao ( X , Y )  1  3   2  I ( X , Y , )  I ( X , Y , )  I ( X , Y ,0)  I ( X , Y ,  ) 4  2 2  31 (1) 3  )  I(X ,Y , ) 2 2 tan  o  X , Y   I ( X , Y ,0)  I ( X , Y ,  ) (2) g( X , Y )  ao ( X , Y )exp i o ( X , Y ) (3) I(X ,Y , By calculating the Fresnel diffraction integral from the complex amplitudes g(X, Y) on the CCD plane, the complex amplitude u(x, y) of the reconstructed image at the position (x, y) on the reconstructed object surface being at the distance R from the CCD plane is expressed as follows.

When the number of windows becomes larger, that is, the window size becomes smaller, the speckle size becomes larger. It is considered that the spatial resolution would be worse when the speckle size becomes larger. Figure 10 shows some of the results. The displacement distributions along the centerline of the beam are shown in Figure 11. The theoretical displacement distribution for a cantilever is obtained by fitting a cubic curve with the minimum error by means of the least square method to each obtained distribution from the fixed point to the loading point.

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Advanced Holography - Metrology and Imaging by I. Naydenova


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