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Wave Review - EXFO's Technical NewsletterEssential Expertise for Fiber-Optic Professionals
Up-to-date information about critical issues and the latest advances in optical test and measurement, network monitoring and manufacturing.
November 2002, Volume 8 Number 11
In this issue

Characterizing Polarization-Dependent Wavelength in AWGs and PLCs
The spectral features of wavelength-dependent passive optical components, such as PLCs, can significantly vary according to the input state of polarization (SOP). This dependence must be characterized so that compensation techniques can be evaluated and implemented.
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Multichannel Telecom Testing-The Gnubi Factor
With current market conditions, integrated test solutions are becoming increasingly advantageous for network service providers and system/component makers. Adding multichannel test systems to the EXFO catalog now provides customers with more options from a single vendor.
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LED Arrays: The Next Step in Curing Technology
Existing curing systems are designed either for small spot sizes (2 to 8 mm) or for very large areas. In January 2003, EXFO will launch a new curing system designed to help component manufacturers bridge the gap in UV-curing technology.
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Industry First: Entire Long-Haul Network Testing Through EDFAs
Until recently, no portable chromatic dispersion (CD) analyzer had ever successfully characterized an entire fiber link including amplifiers. In May 2002, test trials on a 500 km link belonging to Telus proved to be conclusive.
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DWDM Testing: Choosing an All-in-One-Box Solution
Deploying DWDM technology helps network service providers maximize the value of installed fiber. In turn, this increases the need to accurately characterize DWDM-system performance prior to deployment.
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2002 Review, 2003 Preview
The global telecommunications has gone through a major downturn in 2002. Over the past few months, EXFO has restructured its operations to reassert its long-term customer commitment, ensuring it is ready for current and future market challenges.
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Latest news
Hot tips
DOP polarization-OTDR (P-OTDR) measurements on legacy fibers: Older fiber networks can present major difficulties. PMD was not always measured at deployment, and high-PMD fiber segments now cause network nightmares.
Find out the benefits of P-OTDR measurements in this app note.

A single light source for different dispersion tests: With data rates reaching 10 Gb/s (OC-192, STM-64) and 40 Gb/s (OC-768, STM-256), save time, reduce manipulations and eliminate errors by testing both PMD and chromatic dispersion using a single source.
Find out more...