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Technology

High Temperature Resistant Attachment Method for Optical Fiber Sensors

Invention Reference Number

202405775

A novel method that prevents detachment of an optical fiber from a metal/alloy tube and allows strain measurement up to higher temperatures, about 800 C  has been developed.  Standard commercial adhesives typically only survive up to about 400 C. But, they detach at >500 C at the higher operating temperatures. This problem has been solved by the novel technique, permitting operation up to 800 C, which are representative of extreme molten salt reactor temperatures at which measurements are to be made.

Contact

To learn more about this technology, email partnerships@ornl.gov or call 865-574-1051