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Modelling Analysis of Influence of Substrate Surface Defect on Optical Characteristics of Single-Layer Coating |
| SHEN Zi-Cai1,2;KONG Wei-Jin1,2;SHAO Jian-Da1;FAN Zheng-Xiu1 |
| 1Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
2Graduate School, Chinese Academy of Sciences, Beijing 100039 |
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| Cite this article: |
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SHEN Zi-Cai, KONG Wei-Jin, SHAO Jian-Da et al 2005 Chin. Phys. Lett. 22 224-226 |
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Abstract A simple and practical model is used to analyse the influence of substrate surface defect on the optical characteristics of a single-layer coating. A single-layer coating is prepared and its optical properties are fitted. Some explanations for the origin of the transition layer are presented. It is concluded that there is a transition layer forming between the substrate and coating, which is attributed to substrate surface defects, and its refractive index change is nearly of linearity.
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| Keywords:
78.20.Bh
78.20.-e
78.66.-w
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Published: 01 January 2005
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| PACS: |
78.20.Bh
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(Theory, models, and numerical simulation)
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78.20.-e
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(Optical properties of bulk materials and thin films)
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78.66.-w
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(Optical properties of specific thin films)
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