A ring lens for focusing ion beams to uniform densities
Journal Article
·
· Nucl. Instrum. Methods, v. 127, no. 2, pp. 163-171
An electrostatic lens was designed and built to focus a beam of positive ions into uniform density on a target. The lens has two concentric field regions with a grid separating the inner zero field from the outer radial field. For proper operation, the incident ions must emanate with axial symmetry and Gaussian or similar divergence from a small source. An appendix is included on the symmetrization of elliptical beams by a quadrupole singlet lens. (NL)
- Research Organization:
- Oak Ridge National Lab., Tenn. (USA)
- NSA Number:
- NSA-33-009970
- OSTI ID:
- 4124009
- Journal Information:
- Nucl. Instrum. Methods, v. 127, no. 2, pp. 163-171, Journal Name: Nucl. Instrum. Methods, v. 127, no. 2, pp. 163-171; ISSN NUIMA
- Country of Publication:
- Netherlands
- Language:
- English
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