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8 August 2003 Novel transparent electrodes for electro-optical near-field microscopy
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Proceedings Volume 5122, Advanced Organic and Inorganic Optical Materials; (2003) https://doi.org/10.1117/12.515797
Event: 2003 Chapter books, 2003, Bellingham, WA, United States
Abstract
We report the deposition, characterization, and application of novel optically transparent electrodes, namely ultrathin chromium films and amorphous carbon layers (a-C:H), suitable for replacing ITO and other common materials used so far in electro-optics. The ultrathin layers provide sufficient optical transmission of up to 95% for layer thicknesses of 2 nm and 5 nm for Cr and a-C:H, respectively, showing a flat spectral dependence between 400 and 800 nm. These features are maintained when using these coatings as electrodes on tapered optical fibers as used for scanning near-field optical microscopy (SNOM). We show the successful application of such coated optical tips for ferroelectric domain switching on the nanometer scale.
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T. Otto, S. Grafstroem, J. Seidel, and Lukas M. Eng "Novel transparent electrodes for electro-optical near-field microscopy", Proc. SPIE 5122, Advanced Organic and Inorganic Optical Materials, (8 August 2003); https://doi.org/10.1117/12.515797
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