Collinear technology for holographic versatile disc (HVD) system

Xiaodi Tan; Hideyoshi Horimai; Tsutomu Shimura; Shotaro Ichimura; Ryushi Fujimura; Kazuo Kuroda

doi:10.1117/12.707723

8 September 2006 Collinear technology for holographic versatile disc (HVD) system

Xiaodi Tan, Hideyoshi Horimai, Tsutomu Shimura, Shotaro Ichimura, Ryushi Fujimura, Kazuo Kuroda

Proceedings Volume 6343, Photonics North 2006; 63432W (2006) https://doi.org/10.1117/12.707723
Event: Photonics North 2006, 2006, Quebec City, Canada

Abstract

Holographic Versatile Disc (HVD^TM) using Collinear^TMTechnologies is proposed by OPTWARE Corporation, in which the information and reference beams are displayed co-axially by the same SLM. With this unique configuration the optical pickup can be designed as small as the DVD's, and can be placed on one side of the recording disc. In HVD^TM structure, the pre-formatted meta-data reflective layer is used for the focus/tracking servo and reading address information, and the dichroic mirror layer is used for detecting holographic recording information without interfering with the preformatted information. A 2-dimensional digital page data format is used and the shift-multiplexing method is employed to increased recording density of HVD^TM. Experimental and theoretical studies suggest that the holographic material is very effective to increased recording density of the system. As the servo technology is being introduced to control the objective lens to be maintained precisely to the disc in the recording and the reconstructing process, a vibration isolator is no longer necessary. HVD^TM will be compatible with existing disc storage systems, like CD and DVD, and enable us to expand its applications into other optical information storage systems.

Citation Download Citation

Xiaodi Tan, Hideyoshi Horimai, Tsutomu Shimura, Shotaro Ichimura, Ryushi Fujimura, and Kazuo Kuroda "Collinear technology for holographic versatile disc (HVD) system", Proc. SPIE 6343, Photonics North 2006, 63432W (8 September 2006); https://doi.org/10.1117/12.707723

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