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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 35 — Dec. 10, 2010
  • pp: 6816–6823

Measurement of ion beam profiles in a superconducting linac with a laser wire

Yun Liu, Cary Long, Charles Peters, and Alexander Aleksandrov  »View Author Affiliations


Applied Optics, Vol. 49, Issue 35, pp. 6816-6823 (2010)
http://dx.doi.org/10.1364/AO.49.006816


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Abstract

A laser wire ion beam profile monitor system has been developed at the Spallation Neutron Source accelerator complex. The laser wire system uses a single laser source to measure the horizontal and vertical profiles of a pulsed hydrogen ion ( H ) beam along a 230 m long superconducting linac, which accelerates H from 200 MeV to 1 GeV . In this paper, we describe the laser optics requirement for the system, the performance of the profile measurement, and the effects of laser parameters on the measurement reliability. The result provides a practical guideline for the development of a large-scale, operational, laser-based diagnostics in accelerator facilities.

© 2010 Optical Society of America

OCIS Codes
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(260.5210) Physical optics : Photoionization

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: October 5, 2010
Manuscript Accepted: November 4, 2010
Published: December 9, 2010

Citation
Yun Liu, Cary Long, Charles Peters, and Alexander Aleksandrov, "Measurement of ion beam profiles in a superconducting linac with a laser wire," Appl. Opt. 49, 6816-6823 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-35-6816


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References

  1. R. C. Connolly, K. F. Johnson, D. P. Sandovai, and V. Yuan, “A transverse phase-space measurement technique for high-brightness H− beams,” Nucl. Instr. Meth. A 312, 415–419 (1992). [CrossRef]
  2. W. H. Kuan, T. F. Jiang, and K. T. Chung, “Photodetachment of H−,” Phys. Rev. A 60, 364–369 (1999). [CrossRef]
  3. C. Gabor, A. Jakob, O. Meusel, J. Pozimski, J. Schäfer, and U. Ratzinger, “Design of nondestructive emittance measurement device for H− beams,” Rev. Sci. Instrum. 73, 998–1000 (2002). [CrossRef]
  4. K. Chouffani, F. Harmon, D. Wells, J. Jones, and G. Lancaster, “Laser-Compton scattering as a tool for electron beam diagnostics,” Laser Part. Beams 24, 411–419 (2006). [CrossRef]
  5. I. Agapov, G. A. Blair, and M. Woodley, “Beam emittance measurement with laser wire scanners in the International Linear Collider beam delivery system,” Phys. Rev. ST Accel. Beams 10, 112801 (2007). [CrossRef]
  6. H. Sakai, Y. Honda, N. Sasao, S. Araki, Y. Higashi, T. Okugi, T. Taniguchi, J. Urakawa, and M. Takano, “Measurement of an electron beam size with a laser wire beam profile monitor,” Phys. Rev. ST Accel. Beams 4, 022801 (2001). [CrossRef]
  7. Y. Honda, N. Sasao, S. Araki, H. Hayano, Y. Higashi, K. Kubo, T. Okugi, T. Taniguchi, N. Terunuma, J. Urakawa, Y. Yamazaki, K. Hirano, M. Nomura, M. Takano, and H. Sakai, “Measurements of electron beam emittance in the Accelerator Test Facility damping ring operated in multibunch modes,” Phys. Rev. ST Accel. Beams 6, 092802 (2003). [CrossRef]
  8. Y. Liu, A. Aleksandrov, S. Assadi, W. Blokland, C. Deibele, W. Grice, C. Long, T. Pelaia, and A. Webster, “Laser wire beam profile monitor in the Spallation Neutron Source (SNS) superconducting linac,” Nucl. Instr. Meth. A 612, 241–253(2010). [CrossRef]
  9. S. Henderson, “Status of the Spallation Neutron Source: machine and science,” in Proceedings of the 2007 IEEE Particle Accelerator Conference (IEEE, 2007), Vols.  1–11, pp. 1252–1256.
  10. P. G. Strupp, A. L. Alstrin, R. V. Smilgys, and S. R. Leone, “Single-photon laser ionization time-of-flight mass spectroscopy detection in molecular-beam epitaxy: application to As4, As2, and Ga,” Appl. Opt. 32, 842–846 (1993). [CrossRef] [PubMed]
  11. S. L. Manzello, E. J. Lee, and G. W. Mulholland, “Use of laser-induced ionization to detect soot inception in premixed flames,” Appl. Opt. 44, 5105–5111 (2005). [CrossRef] [PubMed]
  12. Y. Liu, J. R. Beene, C. C. Havener, and J. F. Liang, “Isobar suppression by photodetachment in a gas-filled rf quadrupole ion guide,” Appl. Phys. Lett. 87, 113504 (2005). [CrossRef]
  13. G. D. Alton and Y. Zhang, “An experimental apparatus proposed for efficient removal of isobaric contaminants in negative ion beams,” Nucl. Instr. Meth. B 266, 4020–4026 (2008). [CrossRef]
  14. R. Hardin, Y. Liu, C. Long, A. Aleksandrov, and W. Blokland, “Active beam position stabilization of pulsed lasers for long-distance ion profile diagnostics at the Spallation Neutron Source (SNS),” submitted for publication.
  15. Y. Liu, C. Long, C. Peters, and A. Aleksandrov, “Parasitic profile measurement of 1 MW neutron production beam at SNS superconducting linac,” Proceedings of IPAC’10, Kyoto, Japan (IPAC’10 OC/ACFA, 2010), pp. 1221–1223.
  16. P. Tomassini, A. Giulietti, and D. Giulietti, “Thomson backscattering x-rays from ultra-relativistic electron bunches and temporally shaped laser pulses,” Appl. Phys. B 80, 419–436(2005). [CrossRef]
  17. S. Y. Chung, M. Yoon, and D. E. Kim, “Generation of attosecond x-ray and gamma-ray via Compton backscattering,” Opt. Express 17, 7853–7861 (2009). [CrossRef] [PubMed]

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