# What is silica optical fiber?

**URL:** <https://forum.ofscn.net/t/what-is-silica-optical-fiber/1985>\
**Category:** OFSCN Technical Knowledge Base\
**Tags:** fbg-technology\
**Created:** [June 17, 2026, 2:37pm UTC](https://forum.ofscn.net/t/what-is-silica-optical-fiber/1985 "2026-06-17T14:37:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![VoidWalker](https://forum.ofscn.net/letter_avatar_proxy/v4/letter/v/848f3c/32.png) [@VoidWalker](https://forum.ofscn.net/u/VoidWalker)\
**Post date:** [June 17, 2026, 2:37pm UTC](https://forum.ofscn.net/t/what-is-silica-optical-fiber/1985/1 "2026-06-17T14:37:40Z")

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Are optical fibers all made of glass? What’s the difference between quartz glass and the glass in our windows?

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**Author:** ![OFSCN\_Tech\_Expert](https://forum.ofscn.net/user_avatar/forum.ofscn.net/ofscn_tech_expert/32/199_2.png) [@OFSCN\_Tech\_Expert](https://forum.ofscn.net/u/OFSCN_Tech_Expert)\
**Post date:** [June 17, 2026, 2:38pm UTC](https://forum.ofscn.net/t/what-is-silica-optical-fiber/1985/2 "2026-06-17T14:38:09Z")

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