Real time servo control of the holographic data storage system with an additional servo beam

Junho Yang; Sang Hoon Kim; Jang Hyun Kim; Hyunseok Yang; Joo Youn Park; No Cheol Park; Young Pil Park

doi:10.1007/s00542-007-0378-1

Real time servo control of the holographic data storage system with an additional servo beam

Junho Yang, Sang Hoon Kim, Jang Hyun Kim, Hyunseok Yang, Joo Youn Park, No Cheol Park, Young Pil Park

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Holographic data storage is a next generation data storage device, which has high storage density, high data transfer rate and short access time. The device is very sensitive to disturbances due to its enormous storage density. In the disk type holographic data storage device deviation occurs successionally on the position of the data as the disk rotates. Therefore the spot where the probe beam is illuminated should directly be corrected in order to exactly retrieve the desired data. In this paper we suggest a method using an additional beam containing a servo pattern in order to detect the deviation of the media. We also propose a real time servo control method to compensate the affect of the unpredicted disturbance.

Original language	English
Pages (from-to)	1397-1402
Number of pages	6
Journal	Microsystem Technologies
Volume	13
Issue number	8-10
DOIs	https://doi.org/10.1007/s00542-007-0378-1
Publication status	Published - 2007 May

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Hardware and Architecture
Electrical and Electronic Engineering

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10.1007/s00542-007-0378-1

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title = "Real time servo control of the holographic data storage system with an additional servo beam",

abstract = "Holographic data storage is a next generation data storage device, which has high storage density, high data transfer rate and short access time. The device is very sensitive to disturbances due to its enormous storage density. In the disk type holographic data storage device deviation occurs successionally on the position of the data as the disk rotates. Therefore the spot where the probe beam is illuminated should directly be corrected in order to exactly retrieve the desired data. In this paper we suggest a method using an additional beam containing a servo pattern in order to detect the deviation of the media. We also propose a real time servo control method to compensate the affect of the unpredicted disturbance.",

author = "Junho Yang and Kim, {Sang Hoon} and Kim, {Jang Hyun} and Hyunseok Yang and Park, {Joo Youn} and Park, {No Cheol} and Park, {Young Pil}",

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AU - Yang, Junho

AU - Kim, Sang Hoon

AU - Kim, Jang Hyun

AU - Yang, Hyunseok

AU - Park, Joo Youn

AU - Park, No Cheol

AU - Park, Young Pil

PY - 2007/5

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N2 - Holographic data storage is a next generation data storage device, which has high storage density, high data transfer rate and short access time. The device is very sensitive to disturbances due to its enormous storage density. In the disk type holographic data storage device deviation occurs successionally on the position of the data as the disk rotates. Therefore the spot where the probe beam is illuminated should directly be corrected in order to exactly retrieve the desired data. In this paper we suggest a method using an additional beam containing a servo pattern in order to detect the deviation of the media. We also propose a real time servo control method to compensate the affect of the unpredicted disturbance.

AB - Holographic data storage is a next generation data storage device, which has high storage density, high data transfer rate and short access time. The device is very sensitive to disturbances due to its enormous storage density. In the disk type holographic data storage device deviation occurs successionally on the position of the data as the disk rotates. Therefore the spot where the probe beam is illuminated should directly be corrected in order to exactly retrieve the desired data. In this paper we suggest a method using an additional beam containing a servo pattern in order to detect the deviation of the media. We also propose a real time servo control method to compensate the affect of the unpredicted disturbance.

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Real time servo control of the holographic data storage system with an additional servo beam

Abstract

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