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UV lasers, including Coherent's FreD and Sabre FreD ion lasers, and the LPXpro, COMPexPro and BraggStar series excimer laser are critical tools in the manufacture of high-performance fiber bragg gratings (FBG) for the Dense Wavelength Division Multiplexing (DWDM) marketplace. FBGs are used to perform a number of tasks in optical networks, including signal conditioning and routing. Ultraviolet (UV) lasers are used to imprint the gratings in the fiber.
The Innova FreD product line is a complete family of intracavity frequency-doubled argon lasers that produce high-power output in the deep-UV. The Innova FreD's 244 nm wavelength is used to create periodic changes in the core refractive index of optical fiber. The resulting fiber gratings are used in DWDM technology, laser mirrors in fiber lasers, dispersion compensators, and gain-flattening amplifiers.
The FreD and Sabre FreD lasers are used to produce a significant portion of high-performance FBGs.