Specification of Glass Yarns

Glass yarns provide strength to an optical fiber cable. Glass yarns are bundles of thin glass filaments grouped together for ease of processing and handling….

Specification of Plenum Grade PVC for Outer Sheath of Indoor Cable

PVC (Poly Vinyl Chloride) is generally used in copper wire telephone cables. However, some of the optical fiber cable designs demand use of PVC. PVC…

Operating Wavelengths in Fiber Optic Communication

Often called as operating windows, Fiber optic communication systems use different wavelength ranges for transmission of data. The selection of wavelength from the spectrum of…

Channel Multiplexing in Fiber Optic Communication

A digital voice channel operates at 64 kbps. Fiber optic communication allows transmission of data at rates more than 100 Gpbs in some of the…

Difference Between G.652.A and G.652.B Fibers

The first introduced single mode fibers belonged to G652.A category. G.652.B category is an improved version of G.652.A category. When introduced first, the G.652.A category…

What is an Abrasive Material?

A course grinding material used to figure, shape, or finish optical elements. According to Wikipedia, anĀ abrasiveĀ is a material, that is used to shape or finish…

Chromatic Dispersion in Single mode Fibers and Measurement Equipment

Dispersion limits the transmission distance in optical communications. In simple terms, broadening of pulse as it travels along the length of an optical fiber is…

Choice of Optical Fibers as Communication Channel

Researchers in telecommunication had been in search of a medium that will allow long distance transmission with low loss until they develop optical glass fibers….

Ceramic and Metallic Ferrule Connectors

Fiber optic connectors made of ferrules are known as Ferrule connectors. Ferrule connectors have two cylindrical plugs. Other parts of a ferrule connector include an…

Analog and Digital Signals

In modern day communication systems, transmission data is available in either analog or digital format. Transmission signal varies continuously along the time axis in the…