Submillimeter-resolution radiography of shielded structures with laser-accelerated electron beams

Vidya Ramanathan; Sudeep Banerjee; Nathan Powers; Nathaniel Cunningham; Nathan A. Chandler-Smith; Kun Zhao; Kevin Brown; Donald Umstadter; Shaun Clarke; Sara Pozzi; James Beene; C. R. Vane; David Schultz

doi:10.1103/PhysRevSTAB.13.104701

Submillimeter-resolution radiography of shielded structures with laser-accelerated electron beams

Vidya Ramanathan, Sudeep Banerjee, Nathan Powers, Nathaniel Cunningham, Nathan A. Chandler-Smith, Kun Zhao, Kevin Brown, Donald Umstadter, Shaun Clarke, Sara Pozzi, James Beene, C. R. Vane, David Schultz

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

We investigate the use of energetic electron beams for high-resolution radiography of flaws embedded in thick solid objects. A bright, monoenergetic electron beam (with energy >100 MeV) was generated by the process of laser-wakefield acceleration through the interaction of 50-TW, 30-fs laser pulses with a supersonic helium jet. The high energy, low divergence, and small source size of these beams make them ideal for high-resolution radiographic studies of cracks or voids embedded in dense materials that are placed at a large distance from the source. We report radiographic imaging of steel with submillimeter resolution.

Original language	English (US)
Article number	104701
Journal	Physical Review Special Topics - Accelerators and Beams
Volume	13
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevSTAB.13.104701
State	Published - 2010
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)
Surfaces and Interfaces

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10.1103/PhysRevSTAB.13.104701

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Ramanathan, V., Banerjee, S., Powers, N., Cunningham, N., Chandler-Smith, N. A., Zhao, K., Brown, K., Umstadter, D., Clarke, S., Pozzi, S., Beene, J., Vane, C. R., & Schultz, D. (2010). Submillimeter-resolution radiography of shielded structures with laser-accelerated electron beams. Physical Review Special Topics - Accelerators and Beams, 13(10), Article 104701. https://doi.org/10.1103/PhysRevSTAB.13.104701

Ramanathan, V, Banerjee, S, Powers, N, Cunningham, N, Chandler-Smith, NA, Zhao, K, Brown, K, Umstadter, D, Clarke, S, Pozzi, S, Beene, J, Vane, CR & Schultz, D 2010, 'Submillimeter-resolution radiography of shielded structures with laser-accelerated electron beams', Physical Review Special Topics - Accelerators and Beams, vol. 13, no. 10, 104701. https://doi.org/10.1103/PhysRevSTAB.13.104701

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AU - Chandler-Smith, Nathan A.

AU - Zhao, Kun

AU - Brown, Kevin

AU - Umstadter, Donald

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AU - Beene, James

AU - Vane, C. R.

AU - Schultz, David

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Submillimeter-resolution radiography of shielded structures with laser-accelerated electron beams

Abstract

ASJC Scopus subject areas

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