| 红外吸收光谱确定质子交换LiNbO_3波导的深度 |
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| 引用本文： | 张德龙,陈才和,丁桂兰,陈晓军.红外吸收光谱确定质子交换LiNbO_3波导的深度[J].光谱学与光谱分析,2001(1). |
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| 作者姓名： | 张德龙 陈才和 丁桂兰 陈晓军 |
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| 作者单位： | 天津大学精仪学院!教育部光电信息技术科学开放实验室，300072天津，天津大学精仪学院!教育部光电信息技术科学开放实验室，300072天津，天津大学精仪学院!教育部光电信息技术科学开放实验室，300072天津，南开大学物理科学学院!300071天津 |
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| 摘 要： | 本文报道了利用红外光谱技术测量质子交换LiNbO3 光波导深度的一种新方法。该方法克服了传统的棱镜耦合技术 +IWKB方法只适用于多模波导不适用于单模波导缺点。实验结果表明该方法具有较好的准确性。
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| 关 键 词： | LiNbO3质子交换波导 红外吸收光谱 波导深度 |
Measurement of Waveguide Depth in Proton-exchanged LiNbO_3 by Infrared Absorption Spectroscopy |
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| Delong ZHANG,Caihe CHEN,Guilan DING and Xiaojun CHEN College of Precision Instrument and Lab.of Opto-electronic Information Science and Technology,Ministry of Education of China, Tianjin College of Physics Science,Nankai University, T.Measurement of Waveguide Depth in Proton-exchanged LiNbO_3 by Infrared Absorption Spectroscopy[J].Spectroscopy and Spectral Analysis,2001(1). |
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| Authors: | Delong ZHANG Caihe CHEN Guilan DING and Xiaojun CHEN College of Precision Instrument and Labof Opto-electronic Information Science and Technology Ministry of Education of China Tianjin College of Physics Science Nankai University T |
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| Institution: | Delong ZHANG,Caihe CHEN,Guilan DING and Xiaojun CHEN1 College of Precision Instrument and Lab.of Opto-electronic Information Science and Technology,Ministry of Education of China,300072 Tianjin 1College of Physics Science,Nankai University,300071 T |
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| Abstract: | A novel method for determining proton-exchanged LiNbO 3 waveguide depth by Infrared absorption spectroscopy was proposed.The method overcomes the shortcoming that the conventional prism-coupling+IWKB technique is only applicable to the multimode waveguides.For the commonly used single-mode waveguides,however,it is helpless.The experimental results indicated that this method has good accuracy. |
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| Keywords: | Proton-exchanged LiNbO 3 waveguide Infrared absorption spectra Waveguide depth |
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