9 February 2012 Recording/readout system comprising reflection-type hologram memory that uses spherical reference light
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Abstract
The memory system described herein can record multiple holograms by a simple shift of the photopolymer film medium. The primary advantage of this method is that it enables the generation of make a single, large capacity hologram because the corresponding optical system is simpler than the transmission-type recording system, which has generally been studied to date. The experimental results confirm the possibility of multiple recording by medium shift. Furthermore, the results indicate that a large capacity memory system of over 1 Tb/in2 can be obtained if a thick medium (about 1 mm) is used.
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Akihito Nakajima, Shohei Ozawa, Kaito Okubo, Manabu Yamamoto, "Recording/readout system comprising reflection-type hologram memory that uses spherical reference light", Proc. SPIE 8281, Practical Holography XXVI: Materials and Applications, 82810V (9 February 2012); doi: 10.1117/12.906823; https://doi.org/10.1117/12.906823
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