Whether it's adjusting a telescope or focusing a laser beam to a small spot, wavefront sensing can help. Xavier Levecq explains the technique and the options available. Measuring the wavefront ...

A new device designed by optics professor Chunlei Guo and PhD student Billy Lam is a 'revolutionary step forward' for characterizing the properties of laser beams in a much more reliable and powerful ...

A super compact interferometer will give scientists an unprecedented ability to fine tune even the quickest pulses of light for a host of applications, and could render traditional instruments for ...