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Growth and characterization of pulsed laser deposited lead germanate glass optical waveguides

机译:脉冲激光沉积锗酸铅玻璃光波导的生长和特性

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Lead germanate thin films have been grown on BK_7 and silica substrates, using pulsed excimer laser deposition (PLD) at wavelengths of l93 and 248 nm, from a bulk lead germanate target under various partial pressures of oxygen. The films produced vary in colour from brown, through clear, to yellow, and a parametric study has been undertaken of the film properties as a function of the growth conditions. The measured losses of the lead germanate films grown on glass substrates varied from ~2.5 to 7 dB cm~-l depending on the oxygen partial pressure used.
机译:在脉冲的准分子激光沉积(PLD)的作用下,锗锗薄膜已经在BK_7和二氧化硅衬底上生长,波长为93和248 nm,是在不同的氧气分压下从块状锗锗靶材上生长的。所生产的薄膜的颜色从棕色到透明到黄色不等,并且已经根据生长条件对薄膜性能进行了参数研究。在玻璃基板上生长的锗酸铅薄膜的测量损耗取决于所使用的氧分压,从〜2.5到7 dB cm-1。

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