Beam shaping device: Scanning electron microscopy image of the micro-optical element that’s 3D laser printed directly on the end of an optical fibre, showing the helical axicon (top) and the parabolic ...
We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results