[Academic] seminar Thursday 5th March

[Mark Wiggins]

Dear all,

 

Dr Nicholas Matlis of LBNL is giving a seminar this Thursday at 3.30pm in
JA506. Abstract below & all welcome.

 

Title:

"Micromanaging laser-plasma interactions for fast accelerator science"

 

Abstract:

Laser plasma accelerators (LPAs) hold great promise as ultra-compact
electron sources because of their high acceleration gradients (~GeV/cm) and
flexible format, but have yet to gain wide-spread acceptance due to
limitations in their tunability and stability. These limitations, caused by
the fluid nature of the accelerator formation, have required the development
of sophisticated new techniques tailored to manage the microscopic dynamics
of the laser-plasma interaction. This talk will highlight recent work aimed
at addressing the unique control challenges of this accelerator format,
including the use of multiple-pulse collisions to trigger electron
injection, the use of tomography to see through walls, the use of
spectroscopic imaging to track gas-plume and laser evolution and the use of
chirped-pulse interferometry to resolve wake-induced Raman shifts. These
methods provide a tremendous wealth of in-situ, shot-by-shot information
from within the accelerator, enabling control of and shining new light on
what has previously been a black box accessible primarily by simulation.

 

Cheers,

 

Mark

 

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