National Changhua University of Education Institutional Repository : Item 987654321/18220
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题名: The Validity of Weak-Coupling Approach for a Transmission Phase Hologram
作者: Liu, Jung-Ping;Su, Wei-Chia;Chen, Jing-Heng
贡献者: 光電科技研究所
关键词: Coupled-wave theory;Volume hologram;Weak-coupling method
日期: 2012-03
上传时间: 2014-04-01T03:57:00Z
出版者: Elsevier GmbH
摘要: Weak-coupling methods are convenient tools to analyze the diffraction properties of volume holograms for low diffraction cases, such as holographic data storage. Although the range of "low diffraction" is very important in practice, it is never defined because the parameter of modulation depth is excluded in the weak-coupling methods. In the paper we propose a simple method to estimate the validity of weak-coupling methods. Based on the weak-coupling solution from the coupled wave theory, we can quantitatively calculate the selectivity error of weak-coupling methods. The acceptable range of diffraction efficiency for weak-coupling methods can be determined accordingly.
關聯: Optik - International Journal for Light and Electron Optics, 123(6): 498-501
显示于类别:[光電科技研究所] 期刊論文

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