Total internal reflection ellipsometry: principles and applications
Total internal reflection ellipsometry: principles and applications
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DOI：
10.1364/ao.43.003028
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发表时间：
2004-05-20
期刊：
影响因子：
1.9
通讯作者：
Johansen, K
中科院分区：
文献类型：
--
作者：
Arwin, H;Poksinski, M;Johansen, K
本文提出了一种在全内反射条件下基于椭偏测量技术的概念。当与表面等离子体共振（SPR）效应相结合时，这种技术变得强大，用于监测和分析薄的非透明金属膜上的吸附和解吸，以及用于分析非透明膜本身。我们称这种技术为全内反射椭偏术（TIRE）。对几种简单的情况，讨论了全内反射与SPR相结合的椭偏理论。对于更先进的情况下，并证明的概念，模拟与菲涅尔形式主义。TIRE的使用通过在蛋白质吸附、腐蚀监测和从金属表面上的不透明液体的吸附中的应用来举例说明。模拟和实验表明，与普通椭偏法相比，该方法大大提高了薄膜的灵敏度。(C)2004年美国光学学会。
A concept for a measurement technique based on ellipsometry in conditions of total internal reflection is presented. When combined with surface plasmon resonance (SPR) effects, this technique becomes powerful for monitoring and analyzing adsorption and desorption on thin semitransparent metal films as well as for analyzing the semitransparent films themselves. We call this technique total internal reflection ellipsometry (TIRE). The theory of ellipsometry under total internal reflection combined with SPR is discussed for some simple cases. For more advanced cases and to prove the concept, simulations are performed with the Fresnel formalism. The use of TIRE is exemplified by applications in protein adsorption, corrosion monitoring, and adsorption from opaque liquids on metal surfaces. Simulations and experiments show greatly enhanced thin-film sensitivity compared with ordinary ellipsometry. (C) 2004 Optical Society of America.