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Loss and modal properties of Ag/AgI hollow glass waveguides

机译:Ag / AgI中空玻璃波导的损耗和模态特性

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Hollow glass waveguides, composed of Ag/AgI coatings, have been studied at 10.6 (mu)m. The losses for different bore sizes equal the theoretical loss, which for the 700 (mu)m bore guide was about 0.15 dB/m. The losses for the guides increase upon bending, varying linearly with increasing curvature. These hollow guides propagate a single mode when the bore size of the guide is approximately 30lambda. In addition, the best single-mode transmission is obtained when the thickness of the glass wall is large. These smaller bores, thick wall hollow guides, can also be used to filter higher order modes from poor quality input laser beams.
机译:已经研究了由Ag / AgI涂层组成的空心玻璃波导,其波长为10.6μm。不同孔尺寸的损耗等于理论损耗,对于700μm的孔导,该损耗约为0.15 dB / m。导向器的损耗在弯曲时会增加,随曲率的增加而线性变化。当导向器的孔径大约为30λ时,这些空心导向器会传播单一模式。另外,当玻璃壁的厚度较大时,可获得最佳的单模传输。这些较小的孔,厚壁的空心导向器也可用于从质量差的输入激光束中滤除高阶模。

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