Fiber optic cable installers have always been trying to get the maximum number of fibers into a duct. For example, a fiber cable with diameter of 1 inch fills 64...Read more »
Archive for July, 2009
Cable Ducts – Fiber Optic Cable to Innerduct Filling Ratio
Fiber optic cable installers have always been trying to get the maximum number of fibers into a duct. For example, a fiber cable with diameter of 1 inch fills 64...Read more »
Fiber Optic Cable Test After Shipping and Handling
OK. Here is the point: fiber optic cables should be tested after shipping and handling. This is one of the most common mistakes made by fiber optic cable installers and contractors. Damage...Read more »
Fiber Cleaving Tool – How does it work and where to get it?
How to cleave optical fiber? Buy Fiber Optic Cleaving Tool (Fiber Cleaver) Here A fiber cleave is initiated by lightly scratching the surface of the fiber. When...Read more »
BPON vs GPON vs EPON – A Comparison of BPON GPON and EPON
Both BPON and GPON architectures were conceived by the FSAN group, which is driven by major incumbent telecommunications operators. Most of the operators are heavily invested in...
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Fiber Optic Cable Sheath and Water Barrier
Fiber optic cable is normally covered with a substantial outer plastic sheath in order to reduce abrasion and to provide the cable with extra protection against external mechanical effects such as crushing. The...
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Optical Modulators Tutorial – Electroabsorption Modulator (EAM) and Lithium Niobate Mach-Zehnder Modulator Modulator (MZ Modulator)
There are two commonly used types of optical modulators in fiber optic communication systems: the electroabsorption modulator (EAM) and the Mach-Zehnder modulator (MZM). Electroabsorption Modulator...Read more »
Corning Bend Insensitive Fiber – Corning ClearCurve Single Mode and Multimode Fibers – Wow!
In the last several years, FTTH installation, led by Verizon, has become really hot. But traditionally, there is one big issue where fiber lags behind copper...Read more »
All-Dielectric Armored Fiber Optic Cable – Introduced by Corning Cable Systems on 4/6/2009
As most fiber optic cable installers know, the labor and costs associated with accessing and grounding a traditional armored fiber optic cable is pretty high. Because...Read more »
VCSEL Laser – The Advantages of VCSEL
What is VCSEL? VCSEL stands for Vertical-Cavity Surface-Emitting Laser. It is a type of semiconductor laser diode with laser beam emission perpendicular from the top surface, contrary to conventional edge-emitting semiconductor lasers which...Read more »
EDFA – Fundamentals Explained in Details
EDFAs consist of erbium-doped fiber having a silica glass host core doped with active Er ions as the gain medium. Erbium-doped fiber is usually pumped by semiconductor lasers at 980nm or 1480nm. Basic...Read more »