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How do you produce laser light with bespoke colours?

1:45

It’s a bit like kicking a football in a valley

International Year of Light 2015

2015 is the International Year of Light and Light-based Technologies (IYL 2015), as declared by the United Nations.

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Why do we need new types of optical fibres?

Next-generation optical fibres could boost medicine and industry

Why do we need new types of optical fibres?
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What is a frequency comb?

Paul Williams provides an accessible introduction to optical frequency combs

What is a frequency comb?
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How do you make the perfect lens?

Chris Phillips describes how physicists are overcoming the diffraction limit

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How can quantum techniques improve the efficiency of solar cells?

Chris Phillips describes a novel approach to capturing sunlight

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