Which connector has the longest history?
The first connector to be accepted as a widely used standard in the early days of the fiber optic industry, in the late 1970s, was designed by Amphenol in CT as a variation of their coaxial electrical connect known as subminiature assembly, or SMA. In those days, fiber was multimode and the clad diameters were 125 um and up, to 230 and 1000 um. For the smallest sizes, Amphenol developed a unique and patented design that used four tightly machined metal rods in a larger hole in the connector ferrule. The rods were uniformly round enough to place the fiber in the center of the connector and allow for acceptable insertion losses of 1.25 - 2 dB per km at 850 nm.
READ THE FULL BLOG ARTICLE HERE: What is an SMA connector and why do we care?
ADDITIONAL CONTENT & RESOURCES:
- Category Resource: FOC Interconnect Page
- Find More Information in this Blog: The 101 on Connector Types
Answered by AskFOC Technical Team July 13, 2018
Have a technical question for Fiber Optic Center?
Please email your question to AskFOC@focenter.com and we will respond ASAP.
In addition to replying, we will post your question and our answer here on focenter.com. Everyone remains anonymous when we post so feel comfortable asking. You can also search your question and others in our content search.
- Considerations regarding freezing epoxy – THAWING - November 13, 2019
- Crystallization in Epoxies: How to Identify and Reverse it - October 23, 2019
- Measuring Insertion Loss and Return Loss Recommendations to Achieve the Best and Most Accurate Test Measurement - October 23, 2019
- Cross-Sectioning Fiber Optic Connectors: An Effective Diagnostic Method to Identify Defects and Resolve Process Issues - October 23, 2019
- The “Ideal” Fiber Height for a Fiber Optic Connector – and How to Achieve It - October 23, 2019
- Considerations regarding freezing epoxy – recommended length of time - October 23, 2019
- Techniques when using stripping tools - October 18, 2019
- Considerations regarding freezing epoxy – implementing process controls - September 18, 2019
- Aramid yarns and Good stripping techniques - September 11, 2019
- When the “back-side” connector end-face is contaminated, it is difficult to have access to remove the connector for cleaning - September 8, 2019