Focusing properties of microspheres containing multiconcentric metallic rings

Chin Kai Chang; Chau Shioung Yeh; Chih Kung Lee; Ming Wei Lai; Ji Tian Yeh; Jung Ming Liu

doi:10.1063/1.3200243

Focusing properties of microspheres containing multiconcentric metallic rings

Chin Kai Chang, Chau Shioung Yeh, Chih Kung Lee, Ming Wei Lai, Ji Tian Yeh, Jung Ming Liu

Department of Mechanical Engineering

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

We fabricated multiconcentric metallic rings on a polystyrene microbead by using a focused ion beam. We found this type of structure possesses good focusing properties unlike planar multiconcentric metallic rings, which require varying the width of each ring. In addition, we found that we can change the shape of the bead by heating it, after which we then fabricated multiconcentric metallic rings around it. Our results showed that the focal distance of the structure as well as the size of the focal spot increased as the heating time increased. These kinds of structures have good potential for application to optical imaging and photolithography.

Original language	English
Article number	053112
Journal	Applied Physics Letters
Volume	95
Issue number	5
DOIs	https://doi.org/10.1063/1.3200243
Publication status	Published - 2009 Aug 14

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3200243

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Chang, C. K., Yeh, C. S., Lee, C. K., Lai, M. W., Yeh, J. T., & Liu, J. M. (2009). Focusing properties of microspheres containing multiconcentric metallic rings. Applied Physics Letters, 95(5), [053112]. https://doi.org/10.1063/1.3200243

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abstract = "We fabricated multiconcentric metallic rings on a polystyrene microbead by using a focused ion beam. We found this type of structure possesses good focusing properties unlike planar multiconcentric metallic rings, which require varying the width of each ring. In addition, we found that we can change the shape of the bead by heating it, after which we then fabricated multiconcentric metallic rings around it. Our results showed that the focal distance of the structure as well as the size of the focal spot increased as the heating time increased. These kinds of structures have good potential for application to optical imaging and photolithography.",

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AU - Yeh, Chau Shioung

AU - Lee, Chih Kung

AU - Lai, Ming Wei

AU - Yeh, Ji Tian

AU - Liu, Jung Ming

PY - 2009/8/14

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