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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.

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Case Study: PMD Measurement on Aerial Fiber under Wind-Induced Oscillations and Vibrations

This article presents interaction mechanisms between aerial cables and wind; it gives an overview of the two embodiments of the SOP SSA method, and presents polarimetric measurement results and compar...

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PMD or Multipath Interference Dispersion Which is of More Practical Importance?

This paper demonstrates how measuring the total multiplath interference dispersion (MPID) is in many ways a significant advantage over pure PMD-measuring methods, particularly for testing components s...

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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.

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The Importance of IP Header and UDP Checksum

This article focuses on checksums validation analysis, which is the type of analysis performed by service providers as they must analyze higher-layer protocols to ensure proper data integrity at the c...

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The EXFO Radiometer

This article introduces the EXFO Radiometer, which drastically reduces the measurement inaccuracies caused by filter transmission limitations and the effects of measurement geometry found in other rad...

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Transport and Datacom Testing Requirements for the Dynamic-Cable MSO Business Model

This application note explores the types of traffic that can traverse an MSO network and the various reasons for testing to a set of requirements to ensure that SLAs are being met.

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Out-of-Band Testing for Carrier-Class Ethernet: A Cost-Effective Solution for Increasing QoS

This application note compares a traditional and complex test method that uses transmission wavelengths to an innovative and simple test solution that uses a filtered out-of-band wavelength.

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Multimode Fiber Certification: Light Source Launch Conditions and Encircled Flux Standard

This application note explains how a multimode light source with controlled launch conditions ensures accuracy, reproducibility and consistent loss readings.

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Implementing Service Assurance Across Multiple Carrier Ethernet Networks

This application note examines a case in point in which the CENX and EXFO partnership has created an end-to-end, service-assurance solution that provides visibility to the end user over multiple netwo...

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