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This article provides an overview of the inchworm motor technology and how it is used to assure precise positioning.

This articles explains the importance of PMD in high-speed digital and analog networks; it has to be measured not only after manufacturing but also after cabling and installation.

This article presents EXFO's approach for non-intrusive clip-on fiber monitoring, which allows to address the needs of low insertion-loss requirements of today’s high-speed, multi-wavelength or FTTH s...

This article demystifies how EXFO's optical calibration system can guide you through the calibration of power meters, covering issues such as traceability and technical characteristics of detectors.

This article provides an overview of EXFO's AXS-200/600 copper family testers, designed to deploy advanced, high-rate, triple-play services in a competitive and cost-constrained environment.

This technical note demonstrates why a small elevation sometimes appears on the graph after a strong reflective event when using some OTDR modules.

This article reviews the basics of light-emitting diodes (LEDs)—whether they are edge-emitting (EELED), surfaceemitting, or super-luminescent diodes (SLEDs)—in test and measurement applications.

This article introduces NQMS, designed to combine all of the traditional measurements such as noise, echo, and MOS voice quality with the new VoIP parameters, creating a complete QoS report card for a...

This article presents a principle that could be applied a new generation of “non-intrusive” clip-on instruments for signal monitoring or power measurement.

This article defines the terms VLAN and Q in Q; it describes their benefits and provides concrete examples of how Q in Q and VLANs are used.