Keeping your deposition temperature as low as possible prevents tube shrinkage AND prevents water from moving toward the core, which will cause absorptions in the final fiber measurements. Adding dopants such as phosphorous and fluorine reduce the required deposition temperature.

Additional resources from the FOC team include:

Have questions about this FOC Tip?

Contact FOC with questions at: (800) 473-4237 / 508-992-6464 or email: FiberOpticCenter@focenter.com and we will respond ASAP.

FiberOpticCenter@focenter.com 

Additional articles from our preform fabrication consultant include: