They can be used to reflect, filter or disperse light within an optical fiber. FBGs can be used in the fabrication of optical strain and temperature sensors, with quasi-distributed measurements possible using gratings written sequentially into a continuous length of fiber.
InfoGlas® PSP series - the industries only preform product that allows FBG imprinting during fiber drawing processes.
The PSP series of preforms was designed for a wide range of applications. Their ease of fabrication and use combined with their unique properties and great advantages make them ideal for a great number of applications in telecommunication, fiber sensors and lasers. It is a good choice for Type I gratings, due to its high germania content; the high NA reduces loss under tight bends; the PSP allows for low splice loss to other fiber with high NA, such as Raman amplifyer fiber.
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