Paper 5033 E, first received 24th November 1965 and in revised form 15th February 1966.)
Kindly provided by the IET. It remains Copyright of the Institution of Engineering & Technology.
This was preceded by an earlier press release from the parent company STC:
…a glass core about three or four microns in diameter, clad with a coaxial layer of another glass having a refractive index smaller than that of the core by about one per cent…
It should be noted that when these methods are perfected, it will be possible to transmit very large quantities of information (telephone, television, data, etc.) between say, the Americas and Europe, along a single undersea cable.