For the fabrication of bend insensitive Fiber Bragg Grating (FBG) arrays, we offer three, high Germania fibers, F-SM1500-4.2/125, F-SM1500-4.2/80 and F-SM1500-4.2/50. These fibers have cores with more than 5X the Germania content of a telecoms fiber, enabling FBGs to be written with or without Hydrogen loading.
More than 5X Germanium level of standard telecommunications fibers
Suitable for inscription of long arrays with or without hydrogen loading
Low attenuation around 1550 nm
Polyimide coating variants available for harsh environment applications
Additional drawings are not available for this product.
Features
High Numerical Aperture
The high Numerical Aperture (NA) of these fibers gives exceptional resistance to bend-induced loss. Optional low-profile 80 µm or 50 mm cladding diameters are available along with increased proof test levels make these fibers ideal for high reliability, coiled and tightly packaged applications, including fiber optic hydrophones and geophones.
Fiber Bragg Gratings
A Bragg Grating is a periodic modulation in the fiber’s index of refraction reflecting light with a wavelength of twice the grating period. The grating forms when the fiber is exposed to a periodic pattern of UV light, typically generated with a phase mask. Fiber lasers and DWDM add/drop filters utilize the ability of Bragg Gratings to reflect <99% of the light in a narrow wavelength band (~1 nm). Other uses of fiber gratings include laser diode frequency stabilization and fiber sensors that detect chemicals, mechanical strain, vibration, acceleration or temperature. Gratings may also be chirped to provide dispersion compensation or gain flattening.
Custom Patch Cables
Use Model Number F-PATCH-CUSTOM to configure a custom fiber-optic patch cord using these fibers. You can specify the fiber type, length, jacketing, and input and output connectors.
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