溶胶-凝胶型TiO2-SiO2高折射率薄膜的制备与优化

2016 4th International Conference on Photonics, Optics and Laser Technology (PHOTOPTICS) Pub Date : 2016-11-28 DOI:10.5220/0005844103490355

P. Biswas, F. Chiavaioli, S. Jana, S. Bandyopadhyay, N. Basumallick, A. Giannetti, S. Tombelli, S. Bera, A. Mallick, F. Baldini, C. Trono

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引用次数: 0

摘要

报道了长周期光栅传感器高折射率覆盖层的制造工艺和优化。覆盖层由溶胶-凝胶基TiO2-SiO2薄膜组成。通过仔细调整覆盖层厚度和折射率，可以使LPG处于所谓的过渡模式工作区域，并优化和最大化LPG的传感性能。在这里，液化石油气被表征为光学折射计，并且在溶胶-凝胶涂层纤维表面经过适当的功能化后，作为执行IgG/抗IgG生物测定的生物传感器。

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Manufacturing and optimization of sol-gel-based TiO2-SiO2 thin Films as high refractive index overlays for long period grating-based biosensing

The manufacturing procedure and the optimization of high refractive index overlays for long period grating-based sensors are reported. The overlay consists of a sol-gel-based TiO2-SiO2 thin film. By carefully tuning the overlay thickness and refractive index, it is possible to bring the LPG in the so-called transition mode working region, and to optimize and maximize the LPG sensing performances. LPGs are here characterized as optical refractometers, and, after a suitable functionalization of the sol-gel coated fiber surface, as biosensors performing an IgG/anti-IgG bioassay.

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2016 4th International Conference on Photonics, Optics and Laser Technology (PHOTOPTICS)

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