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Rapid Low-Noise Simulation of Ultra-bright 10 GeV Electron Bunches in Laser…

Award Information

Department of Energy
Award ID:
Program Year/Program:
2010 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
64 a
Solicitation Number:
Small Business Information
Tech-X Corporation
5621 Arapahoe Ave, Suite A Boulder, CO -
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2010
Title: Rapid Low-Noise Simulation of Ultra-bright 10 GeV Electron Bunches in Laser Plasma Accelerators
Agency: DOE
Contract: DE-FG02-10ER85812
Award Amount: $99,691.00


The BELLA project at LBNL seeks to develop ~10 GeV laser-plasma accelerator stages that will produce ultra-short, low-divergence ~1 nC electron bunches, total energy spread of ~1% and slice energy spread of ~0.1%. A beam of sufficient brightness for collider applications can be used to drive a free electron laser and so this is an experimental goal for 2012. Simulation support is required to reduce technical risk and increase the chances of experimental success. However, traditional particle-in-cell (PIC) simulations suffer from high-frequency particle noise, which artificially increases the emittance and energy spread of the simulated electron bunch. Fundamentally new techniques are required to adequately suppress numerical noise. Our Phase II objective is to develop software that will reduce technical risk and help to improve the performance of next-generation laser-plasma accelerator (LPA) experiments. In Phase I, we will determine the best approach to accurate low-noise simulation of high charge, ultra-bright relativistic electron beams. Such extreme beams must be simulated as part of production LPA modeling, so we consider only finite-difference time domain electromagnetic techniques. We will consider an approach analogous to what is done in many particle tracking codes, in which self-fields (aka space charge forces) are calculated in the beam frame by solving Poisson

Principal Investigator:

David Bruhwiler

Business Contact:

Laurence Nelson
Small Business Information at Submission:

Tech-x Corporation
5621 Arapahoe Ave Boulder, CO 80303

EIN/Tax ID: 841256533
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No