Illustration of photon-photon scattering in the laboratory. (IMAGE)

University of Oxford

Illustration of photon-photon scattering in the laboratory.

Caption

Illustration of photon-photon scattering in the laboratory. Two green petawatt lasers beams collide at the focus with a third red beam to polarise the quantum vacuum. This allows a fourth blue laser beam to be generated, with a unique direction and colour, which conserves momentum and energy. Credit: Zixin (Lily) Zhang.

Credit

Zixin (Lily) Zhang.

Usage Restrictions

This image is for editorial purposes relating to this study ONLY and MUST be credited. It MUST NOT be sold on to third parties.

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.