This paper reports on a technology for realization of an optical planar waveguide layer on duroid substrate and on FR4 fiber reinforced board material printed circuit boards. Waveguide core material was EpoCore polymer and for claddings we used EpoClad polymer. Design of the presented planar waveguides was realized on the bases of modified dispersion equation and was schemed for 633 nm, 964 nm, 1310 nm and 1550 nm wavelength. Waveguiding properties were measured by dark mode spectroscopy while propagation optical loss measurement was done by the fiber probe technique at wavelegnth 633 nm (He-Ne laser). The samples had optical losses lower than 0.5 dB/cm. The best sample has optical losses around 0.25 dB/cm.
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机译：本文报道了在双曲面衬底和FR4纤维增强板材料印刷电路板上实现光学平面波导层的技术。波导芯材料是EpoCore聚合物，对于包层，我们使用EpoClad聚合物。在改进的色散方程的基础上实现了所提出的平面波导的设计，并针对633 nm，964 nm，1310 nm和1550 nm波长进行了设计。通过暗模式光谱法测量波导特性，同时通过光纤探针技术在波长为633 nm的波长（He-Ne激光）下测量传播光损耗。样品的光损耗低于0.5 dB / cm。最好的样品的光损耗约为0.25 dB / cm。
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