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Dynamic Phase-Mapping of Domain Nucleation in MgO:LiNbO3 Crystal by Digital Holographic Interferometry |
| QU Wei-Juan;LIU De-An;ZHI Ya-Nan;LUAN Zhu;LIU Li-Ren |
| Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 |
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| Cite this article: |
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QU Wei-Juan, LIU De-An, ZHI Ya-Nan et al 2007 Chin. Phys. Lett. 24 539-542 |
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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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Received: 06 September 2006
Published: 24 February 2007
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| PACS: |
75.70.Kw
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(Domain structure (including magnetic bubbles and vortices))
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42.40.Kw
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(Holographic interferometry; other holographic techniques)
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