دورية
In-line digital holographic interferometry
| العنوان: | In-line digital holographic interferometry |
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| المؤلفون: | Pedrini, Giancarlo, Fröning, Philipp, Fessler, Henrik, Tiziani, Hans J. |
| المصدر: | Applied Optics; September 1998, Vol. 37 Issue: 26 p6262-6269, 8p |
| مستخلص: | An optical system based on in-line digital holography for the evaluation of deformations is described. In-line holograms are recorded on a CCD chip. The problem of overlapping twin images typical for the in-line arrangement is solved by digital reconstruction and filtering of the unwanted wave fronts. Two separate interferograms of an object under test in its undeformed and deformed states are recorded each on a CCD chip. The phases of the two wave fronts are obtained from the complex amplitudes of the digital reconstructed wave fronts, and the deformation is calculated from the phase differences. Experimental results are presented. |
| قاعدة البيانات: | Supplemental Index |
| تدمد: | 1559128X 21553165 |
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