Speckleless reconstructed image display using convergent light in CGH

Tatsuya Oshinomi; Masaya Mitobe; Yuji Sakamoto

doi:10.1117/12.2590763

13 March 2021 Speckleless reconstructed image display using convergent light in CGH

Tatsuya Oshinomi, Masaya Mitobe, Yuji Sakamoto

Proceedings Volume 11766, International Workshop on Advanced Imaging Technology (IWAIT) 2021; 117662P (2021) https://doi.org/10.1117/12.2590763
Event: International Workshop on Advanced Imaging Technology 2021 (IWAIT 2021), 2021, Online Only

Abstract

In Computer-Generated Hologram (CGH), random phases are often added to diffuse the object light. However, due to this effect, speckle noise, which is a deterioration in image quality, occurs. In this study, we generated a hologram that suppresses the influence of speckle by calculation so that the light wave converges to the viewpoint. The viewing zone is limited by this method, it can be applied to Head-Mounted Display (HMD) type CGH or Eye tracking type electronic holography. The effectiveness of the proposed method was confirmed by simulation and actual optical reproduction.

Citation Download Citation

Tatsuya Oshinomi, Masaya Mitobe, and Yuji Sakamoto "Speckleless reconstructed image display using convergent light in CGH", Proc. SPIE 11766, International Workshop on Advanced Imaging Technology (IWAIT) 2021, 117662P (13 March 2021); https://doi.org/10.1117/12.2590763

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