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LG Electronics Assigned Patent

Holographic storage

LG Electronics Inc., Seoul, Korea, has been assigned a patent (9,620,164) developed by Kim, Nakyeong, and Ahn, Byounggyo, Seoul, Korea, for a “holographic data storage system.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Provided is a holographic data storage system characterized by including: a first polarizing beam splitter, PBS, wherein at least either of a first lens module and a second lens module transmits P-polarized light and reflects S-polarized light, a relay lens collecting light passing through the first PBS, a mirror reflecting the light collected through the relay lens back to the relay lens, and a quarter wave plate located between a second PBS beam splitter and the relay lens, converting transmitted linearly polarized light into circularly polarized light, and converting the circularly polarized light into linearly polarized light. By reducing the volume of the relay lens, it is possible to decrease the size of the holographic data storage system, and by decreasing the number of lenses, it is possible to lower manufacturing costs.

The patent application was filed on August 12, 2014 (14/908,472).

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