These swirls of light, called optical vortices, could have implications for future laser devices, the physicists said.

这些光线的漩涡，称为光学旋涡，可能对未来的激光装置产生影响，物理学家说。

youdao

Relativistic electrons produce light that goes to the optical resonator with absolute vacuum inside.

相对论电子所产生的光线将进入完全真空的光学谐振器当中。

youdao

A sensor channels the light signal along an optical fibre.

传感器沿光导纤维输送光信号。

《牛津词典》

Driven by Lumus' patented Light-guide Optical Element, a micro-display pod, and the Optical Engine which projects light into the lens -- where it is reflected back to the user's eye via reflectors embedded in the lens -- the Lumus' DK-32 delivers a bright 720p 3D-capable display that only weighs 27 grams.

ENGADGET: blogger-avatar

The universe is pretty transparent to optical light--that's how we can see far away galaxies.

FORBES: How To Talk To Aliens

There are many older optical fibers, but low-light-loss ones are vital for telephone cable.

FORBES: The Trials Of Amory Houghton Jr.