Correction method of wavefront aberration on signal quality in holographic memory

Eri Kimura; Akihito Nakajima; Kensuke Akieda; Tomohiro Ohori; Kiyoto Katakura; Yo Kondo; Manabu Yamamoto

doi:10.1117/12.873695

7 February 2011 Correction method of wavefront aberration on signal quality in holographic memory

Eri Kimura, Akihito Nakajima, Kensuke Akieda, Tomohiro Ohori, Kiyoto Katakura, Yo Kondo, Manabu Yamamoto

Proceedings Volume 7957, Practical Holography XXV: Materials and Applications; 79570Y (2011) https://doi.org/10.1117/12.873695
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

One of the problems that affects the practical use of holographic memory is deterioration of the reproduced images due to aberration in the optical system. The medium must be interchangeable, and hence it is necessary to clarify the influence of aberration in the optical system on the signal quality and perform aberration correction for drive compatibility. In this study, aberration is introduced in the reference light beam during image reproduction, and the deterioration of the reproduced image signal is examined. In addition, for a basic study of aberration correction, the correction technique using a two-dimensional signal processing is studied.

Citation Download Citation

Eri Kimura, Akihito Nakajima, Kensuke Akieda, Tomohiro Ohori, Kiyoto Katakura, Yo Kondo, and Manabu Yamamoto "Correction method of wavefront aberration on signal quality in holographic memory", Proc. SPIE 7957, Practical Holography XXV: Materials and Applications, 79570Y (7 February 2011); https://doi.org/10.1117/12.873695

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