| Dynamic Phase-Mapping of Domain Nucleation in MgO：LiNbO3 Crystal by Digital Holographic Interferometry |
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| 引用本文： | 曲伟娟 刘德安 职亚楠 栾竹 刘立人. Dynamic Phase-Mapping of Domain Nucleation in MgO：LiNbO3 Crystal by Digital Holographic Interferometry[J]. 中国物理快报, 2007, 24(2): 539-542 |
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| 作者姓名： | 曲伟娟 刘德安 职亚楠 栾竹 刘立人 |
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| 作者单位： | Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 |
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| 基金项目： | Supported by the Important Pre-research Project of the Ministry of Science and Technology of China under Grant No 2002CCA03500, and the National Natural Science Foundation of China under Grant No 60177016. |
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| 摘 要： | The quantitative phase-mapping of the domain nucleation in MgO：LiNbO3 crystals is presented by using the digital holographic interferometry. An unexpected peak phase at the beginning of the domain nucleation is observed and it is lowered as the spreading of the domain nucleus. The existence of the nucleus changes the moving speed of the domain wall by pinning it for 3 s. Such in-situ quantitative analysis of the domain nucleation process is a key to optimizing domain structure fabrication.
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| 关 键 词： | MgO：LiNbO3晶体 数字全息干涉测量法 动态相位映射 成核作用 |
| 收稿时间： | 2006-09-06 |
| 修稿时间： | 2006-09-06 |
Dynamic Phase-Mapping of Domain Nucleation in MgO:LiNbO3 Crystal by Digital Holographic Interferometry |
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| QU Wei-Juan,LIU De-An,ZHI Ya-Nan,LUAN Zhu,LIU Li-Ren. Dynamic Phase-Mapping of Domain Nucleation in MgO:LiNbO3 Crystal by Digital Holographic Interferometry[J]. Chinese Physics Letters, 2007, 24(2): 539-542 |
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| Authors: | QU Wei-Juan LIU De-An ZHI Ya-Nan LUAN Zhu LIU Li-Ren |
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| Affiliation: | Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 |
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| Abstract: | The quantitative phase-mapping of the domain nucleation in MgO:LiNbO3 crystals is presented by using the digital holographic interferometry. An unexpected peak phase at the beginning of the domain nucleation is observed and it is lowered as the spreading of the domain nucleus. The existence of the nucleus changes the moving speed of the domain wall by pinning it for 3s. Such in-situ quantitative analysis of the domain nucleation process is a key to optimizing domain structure fabrication. |
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| Keywords: | 75.70.Kw 42.40.Kw |
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