Animation
The side-to-side motion of electrons in a beam can be circular, elliptical, or linear, depending on the position of the Delta undulator's magnet rows...
![A graphic of the Delta undulator showing circular, elliptical and linear polarization of light.](/sites/default/files/images/delta_polarization_rev01.gif)
![SLAC linear accelerator building at sunset](/sites/default/files/styles/card/public/images/00b-15820186506_80c4806e66_o.jpg?h=6f8e8448&itok=brFzr3yp)
![](/sites/default/files/styles/card/public/images/WatchFace_Symmetrical_Bright_small.jpg?h=d292f9c0&itok=O_OqAEJZ)
Video
This movie introduces LCLS-II, a future light source at SLAC. It will generate over 8,000 times more light pulses per second than today’s most...
![LCLS-II: The Next Leap for X-ray Science](/sites/default/files/styles/card/public/2022-09/t7jUZwhZdd0_max.jpg?h=c673cd1c&itok=guDcWe2Z)
![LCLS-II layout](/sites/default/files/styles/card/public/lclsII_stylized_layout_whitebckgrnd_forpress.jpg?h=f3bfbb6d&itok=TlFXJLIo)