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• Proceedings of the Korean Vacuum Society Conference
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• Proceedings of the Korean Magnestics Society Conference
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• 2003.12a
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• pp.322-322
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• 2003

• Proceedings of the Korean Magnestics Society Conference
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• 2008.12a
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• pp.60.1-60.1
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• 2008

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• Proceedings of the Korean Vacuum Society Conference
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• 2006.08a
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• 2006

• Proceedings of the Korean Magnestics Society Conference
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• 2008.12a
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• pp.147.1-147.1
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• 2008

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• 2003

• The Transactions of The Korean Institute of Electrical Engineers
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• 2015

The measurement and analysis of angular change have been studied in many fields. This study developed an angle measurement technique with optical fiber and photodiode. The position and attached angle of photodiode were investigated to find the proper combination of parameter. The results showed that the increased measuring range was achieved when the position of detector was away from the center of rotation. Inverse mathematical model was used to obtain angular changes with an optical fiber. The applications of this study include in optical sensor, joint angle measurement, and sport science.