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COVID-19: As a designated essential telecom solutions provider, EXFO remains fully operational with our employees' health and safety as our top priority.

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Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Splice Loss

The decrease in optical power, detected by an OTDR when a pulsed light passes through a misaligned splice. This results in a small amount of light loss that is measured in decibels (dB). Typical values are 0.15 dB or less.

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