Testing Optical Loss or Attenuation of Optical Fibers by OTDR

The fiber optic test method for measuring the attenuation or optical loss of an deployed optical fiber using an OTDR (Optical Time Domain Reflectometer) is…

Use of Optical Time-Domain Reflectometer in Fiber Optics

Fiber optic network deployment staff and optical fiber and cable production/testing personnel are end users of Optical Time-Domain Reflectomtery in the fiber optic industry. The…

Historical Events in Fiber Optic Technology

When we talk about the history of fiber opitcs, we need to at least start from the year 1880. In fact, the use of light…

The Current Trends in Fiber Optic Communication Systems

The current phase of fiber optic communication system is considered to be the fifth generation system. In the current development phase is marked by multiple…

What are the Factors that affect Polarization Mode Dispersion?

Polarization Mode Dispersion or PMD is the broadening of pulse due to the difference in velocities of two orthogonally polarized optical signals. Difference in speed…

Commonly Used Fiber Optic Connectors

ST: Developed by AT&T, this is a metal bayonet coupled connector, with a 2.5 mm ferrule, developed. The ferrule moves when a force is applied…

Wafer Level

In opto-electronic device manufacturing, wafer level refers to the stage of fabrication of Integrated Circuits where the individual devices are still bound together on a…

Optical Receiver Characteristics

Optical receivers are used in optical communication link to receive the optical signal and convert it to electrical signal for further processing. A receiver essentially…

Fiber Optic Transmitters

A fiber optic transmitter is a hybrid opto-electronic device used in optical communication. Fiber optic transmitter converts electrical signals to optical signals and launches the…

Unguided Lightwave Systems

As the name indicates, in guided lightwave systems, there is no contained medium or channel. The channel used is open, that is the space itself….