Optical feedback height control system using laser diode sensor for near-field data storage applications

Jen Yu Fang; Chung-Hao Tien; Han-Ping Shieh; Philipp Herget; James A. Bain; T. E. Schlesinger

doi:10.1109/JLT.2007.909349

Optical feedback height control system using laser diode sensor for near-field data storage applications

Jen Yu Fang^*, Chung-Hao Tien, Han-Ping Shieh, Philipp Herget, James A. Bain, T. E. Schlesinger

^*Corresponding author for this work

Department of Photonics

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

4 Scopus citations

Abstract

We demonstrated a laser diode position sensor for a near-field height control system. The feedback signal of the laser diode sensor that resulted from self-mixing interferometry was characterized and modeled by a simplified method. Due to the fine spatial resolution of the laser sensor, an active height control system with nanoscale position precision was designed and realized under a spinning disk for near-field applications.

Original language	English
Pages (from-to)	3704-3709
Number of pages	6
Journal	Journal of Lightwave Technology
Volume	25
Issue number	12
DOIs	https://doi.org/10.1109/JLT.2007.909349
State	Published - 2007

Keywords

Data storage
Laser sensor
Nanoscale active control
Self-mixing interferometry

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10.1109/JLT.2007.909349

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title = "Optical feedback height control system using laser diode sensor for near-field data storage applications",

abstract = "We demonstrated a laser diode position sensor for a near-field height control system. The feedback signal of the laser diode sensor that resulted from self-mixing interferometry was characterized and modeled by a simplified method. Due to the fine spatial resolution of the laser sensor, an active height control system with nanoscale position precision was designed and realized under a spinning disk for near-field applications.",

keywords = "Data storage, Laser sensor, Nanoscale active control, Self-mixing interferometry",

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AU - Tien, Chung-Hao

AU - Shieh, Han-Ping

AU - Herget, Philipp

AU - Bain, James A.

AU - Schlesinger, T. E.

PY - 2007

Y1 - 2007

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AB - We demonstrated a laser diode position sensor for a near-field height control system. The feedback signal of the laser diode sensor that resulted from self-mixing interferometry was characterized and modeled by a simplified method. Due to the fine spatial resolution of the laser sensor, an active height control system with nanoscale position precision was designed and realized under a spinning disk for near-field applications.

KW - Data storage

KW - Laser sensor

KW - Nanoscale active control

KW - Self-mixing interferometry

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DO - 10.1109/JLT.2007.909349

M3 - Article

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Optical feedback height control system using laser diode sensor for near-field data storage applications

Abstract

Keywords

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