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A tiny hole in the centre of an optical fibre, approximately 45 nanometres in diameter. The smallest hole created so far at the Institute for Photonics & Advanced Sensing is 25 nanometres in diameter.
Photo courtesy of Dr Yinlan Ruan.

A tiny hole in the centre of an optical fibre, approximately 45 nanometres in diameter.  The smallest hole created so far at the Institute for Photonics & Advanced Sensing is 25 nanometres in diameter.
Photo courtesy of Dr Yinlan Ruan.


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