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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 thickening. With a thicker tube wall, more burner heat must be applied to maintain consistent deposition temperature. The deposition tube and the burner are sources of water, which can diffuse through glass layers toward the core.

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.  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 October 12, 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