CLEANING: Ask FOC

How Residue Based Contamination Cause Signal Loss Between a Mated Connector Pair?

QUESTION: How residue based contamination cause signal loss between a mated connector pair?   ANSWER: Residues that enter the signal path are changing the transmission medium the light signal travels through. The residue will have different refractive index...
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What Happens if There Are Dust Particles on One of the Connector End Faces During the Connector Mating Process?

QUESTION: What happens if there are dust particles on one of the connector end faces during the connector mating process?   ANSWER: Mating connectors with dust will embed the debris into the ferrule end face causing permanent scratches and pits. The way to...
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How Dust Based Contamination Cause Signal Loss Between a Mated Connector Pair?

QUESTION: How dust based contamination cause signal loss between a mated connector pair?   ANSWER: Dust particles that are not removed will interfere with the signal’s path as the light passes between the two mated fibers. The light from the outgoing...
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How Does an Electrostatic Charge Get Onto a Fiber Optic Ferrule and How Does That Create Contamination Issues?

QUESTION: How does an electrostatic charge get onto a fiber optic ferrule and how does that create contamination issues?   ANSWER: The electrostatic charge that gets onto a ferrule is usually caused by contract friction also known as triboelectric charging....
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Why Do I Need to Clean My Fiber Optic Connectors Before Mating?

QUESTION: Why do I need to clean my fiber optic connectors before mating?   ANSWER: It is critical to clean both end of the connector pair to prevent damage during the mating process and get the optimal optical performance. Contamination that is not removed...
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Dipping the Cleaning Tip of a Mechanical Click Cleaner Directly Into the Cleaning Fluid When Doing a Wet to Dry Cleaning Process

QUESTION: Why is it a bad idea to dip the cleaning tip of a mechanical click cleaner directly into the cleaning fluid when doing a wet to dry cleaning process?   ANSWER: All of the mechanical click cleaners currently on the market use a synthetic woven fabric...
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In Need of Information on Cleaning and Repairing TOSA/ROSA Devices

QUESTION: I need information on cleaning and repairing TOSA/ROSA devices.  Is this something you can help them with?   ANSWER: We have done design work on the TE transceivers in the past.  Depending on the internals you are able to clean (more or...
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Wet to Dry Cleaning Process Using a Mechanical Click Cleaner and Cleaning Fluid

QUESTION: What is the best way for doing a wet to dry cleaning process using a mechanical click cleaner and cleaning fluid?  We purchased Stickler MicroCare from you.   ANSWER: The best way to do a wet to dry cleaning is to use a minimal amount of the...
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How Does Dust Contamination Negatively Impact a Mated Connector Pair and Where Does It Come From?

QUESTION:  How does dust contamination negatively impact a mated connector pair and where does it come from?   ANSWER: Dust is the most common contaminate that negatively impacts optical connectors.  The dust particulates that are in the contact of...
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What Is OCETS Plus?

QUESTION: What is OCETS Plus?   ANSWER: OCETS Plus is an Environmental Test System.  An integrated automated test facilities for testing long-term reliability of optical components while subjected to environmental stress conditions in a...
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