Emerging from the 2000 degree C furnace, a fibre 'stack' guides light even while it is being pulled and elongated. (IMAGE)

University of Bath

Emerging from the 2000 degree C furnace, a fibre 'stack' guides light even while it is being pulled and elongated.

Caption

In this stage, the handmade stack (~20mm diameter) is heated and drawn down to ~3 mm diameter to form a preform. The preform is then pressurised, heated, drawn, and spun to produce the final twisted fibre.

Credit

Dr Nathan Roberts. At the time of taking the image: University of Bath. Currently: University of Ottawa

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