| 红外吸收光谱确定质子交换LiNbO3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LiNbO3波导的深度[J]. 光谱学与光谱分析, 2001, 21(1): 35-37 |
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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： | 1. 天津大学精仪学院,教育部
2. 南开大学物理科学学院, |
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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光波导浓度的一种新方法。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： | 钕酸锂 质子交换波导 红外吸收光谱 波导深度 |
| 修稿时间： | 1999-08-24 |
Measurement of Waveguide Depth in Proton-exchanged LiNbO3 by Infrared Absorption Spectroscopy |
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| Delong ZHANG,Caihe CHEN,Guilan DING,Xiaojun CHEN. Measurement of Waveguide Depth in Proton-exchanged LiNbO3 by Infrared Absorption Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2001, 21(1): 35-37 |
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| Authors: | Delong ZHANG Caihe CHEN Guilan DING Xiaojun CHEN |
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| Affiliation: | College of Precision Instrument and Lab. of Opto-electronic Information Science and Technology, Ministry of Education of China, 300072 Tianjin. |
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| Abstract: | A novel method for determining proton-exchanged LiNbO3 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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