研究人员发现一种新型激光束，它不遵循长期以来的关于光如何折射和传播的原理。这一发现可能对光通信和激光技术产生巨大的影响。

New class of laser beam doesn't follow normal laws of refraction

https://www.sciencedaily.com/releases/2020/08/200806133511.htm

Basanta Bhaduri, Murat Yessenov, Ayman F. Abouraddy. Anomalous refraction of optical spacetime wave packets. Nature Photonics, 2020; 14 (7): 416 DOI: 10.1038/s41566-020-0645-6