| 磁流体光子晶体微腔的磁场响应特性 |
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| 引用本文： | 英宇,赵勇,吕日清,吴迪.磁流体光子晶体微腔的磁场响应特性[J].东北大学学报(自然科学版),2015,36(8):1080-1083. |
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| 作者姓名： | 英宇 赵勇 吕日清 吴迪 |
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| 作者单位： | (1. 东北大学 信息科学与工程学院， 辽宁 沈阳110819； 2. 东北大学 流程工业综合自动化国家重点实验室， 辽宁 沈阳110819) |
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| 基金项目： | 国家自然科学基金资助项目(61273059，61203206)； 流程工业综合自动化国家重点实验室基础科研业务费资助项目(2013ZCX02-05). |
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| 摘 要： | 提出了基于磁流体光子晶体的微腔,并对其形成过程进行了理论解释,进而研究了该微腔的传感特性,计算了其光透射特性.分析了薄膜厚度分别为6μm和0.94μm时磁流体光子晶体微腔的磁场响应特性.研究结果表明,随着外加磁场增加,这两种结构的光子晶体谐振峰中心波长分别蓝移了4.130μm和0.076μm;磁场响应的最大灵敏度分别为243 nm/m T和3.8 nm/m T.这种基于微腔的传感系统具有易调谐、制备简单,且灵敏度高等优点,为胶体光子晶体在传感领域的应用提供了新的思路.
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| 关 键 词： | 微腔 透射特性 磁响应 谐振峰 传感器 |
Magnetic Response Property of Magnetic Fluid Photonic Crystal Microcavity |
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| YING Yu,ZHAO Yong,LYU Ri-qing,WU Di.Magnetic Response Property of Magnetic Fluid Photonic Crystal Microcavity[J].Journal of Northeastern University(Natural Science),2015,36(8):1080-1083. |
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| Authors: | YING Yu ZHAO Yong LYU Ri-qing WU Di |
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| Institution: | 1. School of Information Science & Engineering， Northeastern University， Shenyang 110819， China; 2. State Key Laboratory of Synthetical Automation for Process Industries， Shenyang 110819， China. |
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| Abstract: | A kind of microcavity using magnetic fluid photonic crystal was presented， and its forming process was explained theoretically. Then the sensing property was studied， and the transmission characteristic was computed. The magnetic response properties of the proposed structure with the thickness of 6μm and 0.94μm were analyzed respectively. It was found that the central wavelength of resonance peak would be blue-shifted about 4.130μm and 0.076μm. The maximum sensitivity was 243nm/mT and 3.8nm/mT respectively. The sensor system exhibited the advantages of easy tuning， simple formation and high sensitivity， which would provide a new idea for optical sensor. |
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| Keywords: | microcavity transmission characteristic magnetic response resonance peak sensor |
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