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Demonstration of a high repetition rate capillary discharge waveguide

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/1.4940121· OSTI ID:1421059

A hydrogen-filled capillary discharge waveguide operating at kHz repetition rates is presented for parameters relevant to laser plasma acceleration (LPA). The discharge current pulse was optimized for erosion mitigation with laser guiding experiments and MHD simulation. Heat flow simulations and measurements showed modest temperature rise at the capillary wall due to the average heat load at kHz repetition rates with water-cooled capillaries, which is promising for applications of LPAs such as high average power radiation sources.

Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-05CH11231; SC0008421
OSTI ID:
1421059
Journal Information:
Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 3 Vol. 119; ISSN 0021-8979
Publisher:
American Institute of PhysicsCopyright Statement
Country of Publication:
United States
Language:
English

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