• Question: why do you fiddle with tiny mirrors ???

    Asked by 896urak27 to Duncan on 7 Nov 2017. This question was also asked by 426urak39.
    • Photo: Duncan McNicholl

      Duncan McNicholl answered on 7 Nov 2017:

      Because I want my laser light to go into my fibres. The fibres are about one two hundredth of a millimetre across, so I have to point the laser really accurately, and the best way to do that is to bounce it off of some mirrors and then tip them a tiny little bit at a time.

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