Colloquium Speaker, Michael Downer-August 27th

[McClung, Shirley]

Doug Schumacher would like you to meet with Michael Downer from University of Texas on Tuesday, August 27th if you are available.

Title: "Laser-plasma accelerators: there's plenty of room at the bottom.
Abstract:  Over the past few years, compact plasma-based particle accelerators have advanced sufficiently that it is no longer a pipe dream to imagine a tabletop x-ray free-electron laser in every major university in the world [1], or proton cancer therapy on a scale that many hospitals could afford.  I will survey recent experimental highlights in the field that make these hopes more realistic than even a few years ago, including a milestone achieved recently using the Texas Petawatt Laser:  nearly mono-energetic acceleration of plasma electrons to 2 GeV with unprecedented sub-milliradian beam divergence [2].  Finally I will describe new holographic techniques that enable experimenters to visualize the electron density waves that lie at the heart of plasma-based accelerators [3].  Such 4D visualization, previously available only from intensive computer simulations, helps physicists understand how plasma-based particle accelerators work, and how to make them work better.

Let me know what times you are available.

Thank You,

Shirley



[The Ohio State University]
Shirley McClung
M-Thur 7:30-6:00
McClung.18 at osu.edu<mailto:McClung.18 at osu.edu>
Office 614-292-3782
Room # 3188, 3rd Floor- PRB
Mailing address
1040 Physics Research Building
191 W Woodruff Ave, Columbus OH 43210

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