Abstract
In-line digital holography is conventional but still attractive because of its simple optical setup. In general, phase-shifting technique is mandatory to remove twin-image which makes the reconstructed image quality low. However, phase-shifting technique requires multiple recording. Multiple recording means that it is not suitable for a dynamic phenomenon. In this paper, a single-shot in-line digital holography without twin-image using diffused illumination is proposed. Owing to the diffused illumination, since the twin-image is scattered over the reconstruction plane, its contribution is inconspicuous. Some experimental results are given to confirm the proposed method.
© 2017 Optical Society of Japan
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