An analysis of printing conditions for wavefront overlapping printing

Y. Ichihashi; K. Yamamoto; K. Wakunami; R. Oi; M. Okui; T. Senoh

doi:10.1117/12.2251285

6 April 2017 An analysis of printing conditions for wavefront overlapping printing

Y. Ichihashi, K. Yamamoto, K. Wakunami, R. Oi, M. Okui, T. Senoh

Proceedings Volume 10127, Practical Holography XXXI: Materials and Applications; 101270L (2017) https://doi.org/10.1117/12.2251285
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Wavefront printing for a digitally-designed hologram has got attentions recently. In this printing, a spatial light modulator (SLM) is used for displaying a hologram data and the wavefront is reproduced by irradiating the hologram with a reference light the same way as electronic holography. However, a pixel count of current SLM devices is not enough to display an entire hologram data. To generate a practical digitally-designed hologram, the entire hologram data is divided into a set of sub-hologram data and wavefront reproduced by each sub-hologram is sequentially recorded in tiling manner by using X-Y motorized stage. Due to a lack of positioning an accuracy of X-Y motorized stage and the temporal incoherent recording, phase continuity of recorded/reproduced wavefront is lost between neighboring subholograms. In this paper, we generate the holograms that have different size of sub-holograms with an overlap or nonoverlap, and verify the size of sub-holograms effect on the reconstructed images. In the result, the reconstructed images degrade with decreasing the size of sub-holograms and there is little or no degradation of quality by the wavefront printing with the overlap.

Conference Presentation

Citation Download Citation

Y. Ichihashi, K. Yamamoto, K. Wakunami, R. Oi, M. Okui, and T. Senoh "An analysis of printing conditions for wavefront overlapping printing", Proc. SPIE 10127, Practical Holography XXXI: Materials and Applications, 101270L (6 April 2017); https://doi.org/10.1117/12.2251285

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