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Our deposition tube diameter varies from run to run.  Do you have information on how to control that?



When you deposit barrier and core layers, your goal is consistent thickness every time. However, as you’re well aware, the burner flame pressure causes deposition tube shrinkage. Without diameter control, this shrinkage reduces the inside surface area. With constant vapor flows, the deposited layer thickness will decrease.

If the deposition tube diameter varies from run to run, or within a run, layer thickness will not reproduce. It’s absolutely critical to carefully control the diameter of the tube. When it comes to depositions, consistency is key.

We cover more in our blog, Critical Design Goals to Manufacture Optical Fiber Preforms: https://focenter.com/critical-design-goals-to-manufacture-optical-fiber-preforms/



   Answered by AskFOC Technical Team November 22, 2017



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Kathleen Skelton

About Kathleen Skelton

Kathleen Skelton, Director of Strategic Marketing's experience includes management positions at Lightwave, KMI Research, PennWell Publishing, Beacon Communications, and Security Innovations, Inc. As a strategic marketing director, she utilizes her expertise in business development, online strategy, marketing planning, digital best practices, standard operating procedures development, and database design, management and training. Kathleen has global business and marketing experience. Outside of FOC, Kathleen is passionate about her volunteer work for several organizations and works with youth groups teaching business strategy for various community projects. In her volunteer work, Kathleen is committed to developing tomorrow's leaders through exciting, strategy-focused business education. This mission guides all of her work outside of the corporate office. Kathleen graduated from Curry College with a BA in Communications and Education and minors in English and Psychology. Kathleen resides outside of Boston, MA with her husband and four children. Follow @KATHLEENSKELTON