The hydroxyl (OH−) ion can penetrate glass during or after product fabrication, resulting in significant attenuation of discrete optical wavelengths, e.g., centred at 1.383 μm, used for communications via optical fibres.
The hydroxyl (OH−) ion can penetrate glass during or after product fabrication, resulting in significant attenuatio.n of discrete optical wavelengths, e.g, centred at 1.383 μm, used for communications via optical fibres.