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首页> 外文期刊>Journal of Macromolecular Science. Pure and Applied Chemistry >A Study on Liquid Hybrid Material for Waveguides—Synthesis and Property of PSQ-Ls for Waveguides
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A Study on Liquid Hybrid Material for Waveguides—Synthesis and Property of PSQ-Ls for Waveguides

机译：波导液体混合材料的研究—波导PSQ-Ls的合成与性能

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摘要

Silicate-based inorganic-organic hybrid polymer systems have many unique properties including thermal stability and photo-stability,chemical resistance with the combination of tunable optical properties. Two kinds of new UV-pattemable hybrid materials PSQ-Lswere synthesized by a sol-gel process at room temperature, which can be used for low cost fabrication of optical waveguides. Thickfilms (up to 8.31 p.m) can be coated by a single spin-coating process without any cracking and the average surface roughness (Ra),detected by atomic force microscopy (AFM), is below 0.5 nm. The optical properties (refractive index, birefringence, and optical loss at1310 nm and 1550 nm, respectively) of the PSQ-Ls films are investigated by a prism coupler. The refractive index of PSQ-Ls can beexactly tuned from 1.4483 to 1.5212 by blending PSQ-LH (nTE = 1.5212 @ 1310 nm) and PSQ-LL (nTE = 1.4483 @ 1310 nm). Themaximum refractive index contrast is about 4.8%. After post-baking, birefringences of the films are below 0.0005 and optical losses areabout 0.2 dB cm-1 at 1310 nm, 0.7 dB - cm-1 at 1550 nm, respectively. Furthermore, the PSQ-Ls films also show outstanding thermalstability in air atmospheres.
机译：硅酸盐基无机-有机杂化聚合物体系具有许多独特的性能，包括热稳定性和光稳定性，耐化学性以及可调节的光学性能。在室温下通过溶胶-凝胶法合成了两种新型的可UV图案化的杂化材料PSQ-Ls，可用于低成本制造光波导。可以通过一次旋涂工艺涂布厚膜（最高8.31 p.m），而没有任何裂纹，并且通过原子力显微镜（AFM）检测到的平均表面粗糙度（Ra）低于0.5 nm。通过棱镜耦合器研究了PSQ-Ls薄膜的光学特性（分别在1310 nm和1550 nm处的折射率，双折射和光学损耗）。通过混合PSQ-LH（nTE = 1.5212 @ 1310 nm）和PSQ-LL（nTE = 1.4483 @ 1310 nm），可以将PSQ-Ls的折射率从1.4483精确地调节到1.5212。最大折射率对比度约为4.8％。后烘烤后，薄膜的双折射低于0.0005，在1310 nm处的光学损耗分别约为0.2 dB cm-1，在1550 nm处的光学损耗分别约为0.7 dB-cm-1。此外，PSQ-Ls膜在空气中也表现出出色的热稳定性。

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