Skip to main content

Search results


Characterizing Advanced Modulation Formats Using an Optical Sampling Approach

This article presents instruments that can provide similar information and measurements as real-time electrical sampling solutions, and that can achieve very precise and accurate constellation diagram...

Resources
Planar Lightguide Circuits: An Emerging Market for Refractive Index Profile Analysis

This article discusses glass and silica-based devices, and how they are analyzed during the early stages of fabrication; it also provides an overview of emerging markets for IO devices.

Resources
Universal Test Set: The Benchmark of Outside Plant Fiber-Optic Testing

Overview of the UTS, a mainframe test set that can be customized to perform the specific tests required for each plant and system being used.

Resources
The Need for Testing Low PMD Values in DWDM Components

This article discusses the need to measure PMD values to the femtosecond range and how to achieve this by performing complete analysis of polarization states.

Resources
Optical Return Loss Testing—Ensuring High-Quality Transmission

This article reviews the role of ORL testing and demonstrate how leading service providers use ORL testing to their benefit.

Resources
The Bellcore OTDR Data Standard

This article discusses EXFO's implementation of the Bellcore OTDR format, which offers the advantage of being able to build a database with test results from different OTDR manufacturers.

Resources
WDM Thin Film Filter

This article provides an overview of TFF WDM technology that could be simplest means of performing wavelength division multiplexing.

Resources
DOP Testing Methods for Pump Modules in Raman Application

The key to successfully commissioning a Raman optical amplifier with low PDG is to pump the non-linear optical fiber media with sources thatare almost completely depolarized. This can be achieved by c...

Resources
Increase Revenue through Network Optimization and Proactive Performance Management

This articles discusses how to maximize network availability and efficiency, and improve customer QoS through centralized, integrated network performance and service-management processes.

Resources
High Power UV Light Sources—When More is Too Much

This articles presents the elements to take into consideration when choosing ultraviolet curing light sources.

Resources