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The paper discusses the uniformity of diamond‐like carbon (DLC) thin overlays deposited with radio frequency plasma‐enhanced chemical vapor deposition (RF PECVD) method on optical fibers with induced long‐period gratings (LPGs). When refractive index around the LPG increases, a spectral response of the LPG strongly depends on properties of the overlay. Using LPG suspended in the RF PECVD chamber,...
The paper discusses the properties of diamond‐like carbon (DLC) thin overlays deposited with radio frequency plasma‐enhanced chemical vapour deposition (RF PECVD) method on optical fibres with long‐period fibre gratings (LPFGs) induced by UV irradiation. In consequence of low deposition temperature, the UV‐induced LPFGs can be coated with DLC without damaging the thermally‐instable grating structure...
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