AL DAHIYAH – offers various services in the field of optical fiber, apart from supply of various types of cables, accessories like, patch panel, couplers, pigtails, patch cords, media converters to match various communication platforms. We provide complete services in regard to optical fiber such as Fiber Optic Splicing, OTDR Testing, Fiber Optic Troubleshooting, CD & PMD Testing, Power Meter testing etc.

Fiber Optic Troubleshooting

We provide troubleshooting solutions to our clients and help themsolve their problem. We also provide a customized training program for
“Troubleshooting in the field of Fiber Optics” in which we share real time issues and case studies on the issues faced during fiber optics installation and service.

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Fiber Optic Splicing

Fiber optic splicing is the act of joining two optical fibers end-to-end using heat. The goal is to fuse the two fibers together in such a way that light passing through the fibers is not scattered or reflected back by the splice, and so that the splice and the region surrounding it are almost as strong as the virgin fiber itself. The source of heat is usually laser.

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OTDR Testing

Optical Time-Domain Reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. An OTDR is the optical equivalent of an electronic time domain reflectometer. It injects a series of optical pulses into the fiber under test and extracts, from the same end of the fiber, light that is scattered (Rayleigh backscatter) or reflected back from points along the fiber.

The scattered or reflected light that is gathered back is used to characterize the optical fiber. This is equivalent to the way that an electronic time-domain reflectometer measures reflections caused by changes in the impedance of the cable under test. The strength of the return pulses is measured and integrated as a function of time, and plotted as a function of fiber length.

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CD & PMD Testing

PMD : PMD(Polarized Mode Dispersion) is a form of dispersion in an optical fiber where two different polarization states of light travel at different velocities. This occurs due to imperfections and symmetries in the optical fiber core; thus results in random spreading of optical light signals.

CD : CD(Chromatic Dispersion) is a variation in phase velocity of light according to the wavelength, which causes the laser signals travelling through the optical fiber to broaden(Spread/Disperse). This results in pulse overlapping and leads to bit errors.

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