Physicists discover 'smoke rings' made of laser light

Sunday, September 11, 2016 - 05:01 in Physics & Chemistry

Physicists have discovered that self-focused laser pulses generate violent swirls of optical energy that resemble smoke rings. In these light structures, known as 'spatiotemporal optical vortices,' light energy flows through the inside of the ring and loops back around the outside. The vortices travel with the laser pulse and control energy flow around it.

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