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QUESTION: Is this a true statement? The Outside Jacketing Process Engineer inspected the returned cable/buffer tubes and determined there was minor/normal slight binder indentation on the buffer tubes at the switchbacks from the stranding process. Minor binder...
QUESTION: Are there best practices for sticks & swabs?
ANSWER:
Best Practices for Sticks & Swabs:
Rotate stick at least 6X in a single direction
Limit force to about the same pressure you would use for a writing pen
Never...
QUESTION:
Can deposition temperature cause absorption in final fiber measurements?
ANSWER:
Low deposition temperature reduces OH diffusion to the core from the tube and burner, and prevents tube shrinkage. The lack of diameter control causes tube wall...
QUESTION: We are experiencing runout while rotating the lathe. How do you handle getting the runout under control?
ANSWER:
While rotating the lathe at approximately 40-50 RPM the rotary seal extension tube should have only a small amount of runout to...
QUESTION: Does initial tube straightening minimize runout? Do you have SOPs available on this?
ANSWER:
Initial deposition tube straightening is performed to minimize runout. Carefully using a hand burner at a low temperature will prevent vaporizing glass at...
QUESTION: How critical is calibration to reproducible design goals of optical fiber preforms?
ANSWER:
It’s absolutely essential that your process pyrometer is calibrated. Calibration is critical – a reproducible process depends on accurate...
QUESTION: Are there best practices for cleaning fluid?
ANSWER:
Best Practices for Cleaning Fluid:
Use hermetically sealed containers to avoid cross contamination
Less is more – Dispense just enough to clean a...
QUESTION: Where does dust based end face contamination come from?
ANSWER:
There are two basic sources of dust based contamination.
Wear Debris
The most common source is wear debris caused by the contact friction of inserting a connector into the...
QUESTION: What is the highest capacity fiber count an OCETS can handle?
ANSWER:
The practical limit to the size of an OCETS system is the cycle time, generally required to be less than 20 mins, with more than about 200 channels this might be...
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...
