Optical Connections Magazine Autumn 2024

LIAM TAYLOR FIBRE CLEANING

FACE CLEANING MYTHS Maintaining pristine fibre optic end faces is critical for ensuring DEBUNKING SIX FIBRE OPTIC

optimal network performance and reliability. Fibre optic networks rely on the precise transmission of light signals, and any contamination or damage to the end faces of the connectors can significantly affect the quality of these signals. Despite the importance of this process, numerous myths and misconceptions persist, often leading to improper cleaning practices and degraded signal quality. In this article, Liam Taylor , European Business Manager, Fibre Optics at MicroCare UK Ltd and a member of IEC/SC 86B Working Group 4, debunks some of the most common fibre optic end face cleaning myths, and provides insights into best practices, to help you achieve the best possible results for your fibre optic connections.

MYTH 1: CLEANING IS ONLY NECESSARY IF THERE’S A VISIBLE PROBLEM Some technicians believe that fibre optic end faces only need cleaning if there’s an evident issue, such as a visible smudge or signal loss. Even microscopic contaminants can significantly impact performance. Routine cleaning of fibre optic end faces should be a standard practice, even if no immediate problems are apparent. Regular maintenance prevents the accumulation of contaminants that can degrade signal quality over time. Cleaning every fibre connection is a preventative measure that not only extends the lifespan of the fibre optic components but also reduces the likelihood of unexpected network disruptions, ultimately saving time and resources in the long run. MYTH 2: A SIMPLE WIPE WITH A CLOTH IS SUFFICIENT One of the most pervasive myths is the belief that a quick wipe with a cloth or tissue is enough to clean a fibre optic end face. This is a dangerous misconception. Common cloths and tissues can leave behind lint, dust, and other contaminants, worsening the

problem rather than resolving it. Using ordinary cloths or tissues can introduce new contaminants to the end face. These materials are often made from fibres that can shed and become lodged on the connector, creating additional barriers to effective signal transmission. Instead, use specialised lint-free wipes and cleaning solutions designed specifically for fibre optics to ensure thorough and effective cleaning. These tools are engineered to remove microscopic particles and residues that can disrupt signal transmission.

cleaning stick or click-to-clean end face cleaning tool with a suitable cleaning fluid first, then use the cleaning tool to remove any remaining fluid and contaminants. This dual approach ensures that static electricity is removed from the end face and all types of contaminants are effectively addressed.

MYTH 3: DRY CLEANING IS ALWAYS ENOUGH

While dry cleaning methods like using a dry wipe or fibre optic cleaning tool can be effective in removing loose dust and particles, they may not be sufficient for oils, residues, or more stubborn contaminants. Plus, dry wiping fibre end faces creates static electricity, which attracts dust and other contaminants to the end face, further complicating the cleaning process. This static attraction can result in more frequent cleanings and increased risk of signal degradation due to residual particles. A combination of wet and dry cleaning is often necessary to achieve the best results. Wet the wipe,

Wet-to-Dry Cleaning: A combination of wet and dry cleaning is often necessary to achieve the best results.

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| ISSUE 38 | Q3 2024

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