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Search results for: optical tweezing

Breakthrough in ‘self-healing’ light beams

CAPTION: Cross section along a reconstructing Bessel beam. The beam propagates from left to right. The beam is blocked at the marked position and is seen to reform a short distance later.

St Andrews science in national spotlight

Imagine a beam of light that can trap and manipulate microscopic objects like the tractor beam in Star Trek. Science fiction? No, science fact, thanks to the 'optical tweezers' used at the School of Physics and Astronomy at the University of St Andrews.