| 远场光学探测与近场光学探测 |
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| 引用本文： | 金红涛,马万云.远场光学探测与近场光学探测[J].传感器与微系统,2001,20(8):10-12,15. |
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| 作者姓名： | 金红涛 马万云 |
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| 作者单位： | 清华大学应用物理系激光单原子中心, |
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| 摘 要： | 介绍了远场光和近场光的物理图景 ,根据它们的不同性质并结合应用 ,指出远场光学探测的空间分辨能力受光学衍射极限的约束 ,近场光学探测可以突破光学衍射极限。应用近场光学设计新的传感器和探测器 ,能够提高灵敏度和分辨力
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| 关 键 词： | 近场光 远场光 衰逝波 共焦显微镜 表面等离子共振 近场光学显微镜 |
| 文章编号： | 1000-9787(2001)08-0010-03 |
Far-field optics detection and near-field optics detection |
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| JIN Hong tao,MA Wan yun.Far-field optics detection and near-field optics detection[J].Transducer and Microsystem Technology,2001,20(8):10-12,15. |
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| Authors: | JIN Hong tao MA Wan yun |
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| Abstract: | Based on the principles of far field wave and near field wave,applications show that the space resolving power of far field optics detection is limited by optical diffraction but near field optics detection can break through the restriction.Near field optics can be used to develop some new optical detectors with the higher sensitivity and space resolving power. |
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| Keywords: | near field light far field light evanescent wave confocal microscope surface plasmon resonance(SPR) scanning near field optical microscope(SNOM) |
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