Overview
Discovery and Invention
Manufacturing
Forty Years of Fiber
Future of Fiber

Center for Fiber Optic Testing


COF_Cft.jpgAt the Center for Fiber Optic Testing (CFT), Corning product measurement engineers conduct the industry’s most rigorous specification tests to ensure Corning optical fiber works for the intended application from the time it is first installed through its expected product lifetime. To that end, Corning measures fiber attenuation, dispersion, bandwidth, environmental tolerances, performance, stripping and splicing attributes, strength, fatigue, and much more.

At CFT, fiber properties are measured against Corning’s demanding criteria and required industry standards that are set by the National Institute of Standards and Technology (NIST), the International Electrotechnical Commission (IEC), the Telecommunications Industry Association (TIA), the International Telecommunication Union (ITU) Telecommunication Standardization Sector (ITU-T), and many more. Additionally, CFT often conducts tests in response to customer requests, even when those requests are not required by the industry.

Corning’s leadership in optical fiber innovation is legendary; we were the first to develop a number of new fiber products that have moved the industry forward by enabling greater service capacity and capability. At times, Corning invents new fiber products so advanced that there are no existing industry standards that correlate. When that happens, CFT creates the testing standards and measurements.

The measurements developed at CFT are reproduced at Corning’s optical fiber manufacturing facilities. Corning has the ability to trace every strand of fiber produced, and can identify where and when it was manufactured, whether it is still on the spool or was sold 30 years ago. In fact, customers report to Corning that trial cables installed in the late 1970s and early 1980s are still in use. Additionally, there is considerable proof that optical cables recovered from the field years after installation still meet the specifications against which they were installed. This is a testament to the rigor and integrity of CFT’s testing processes.

Corning publishes specifications for every fiber we offer on detailed Product Information Sheets.