The operating principles for the in-air transfocator are the same as for the in-vacuum transfocator, but the short focal distance (1.2 – 1.7 m) means that it can be used to focus down to the micron level. It can be translated along the beam to accommodate any energy between 18 and 70 keV.

 

  • Vaughan, G. B. M., J. P. Wright, A. Bytchkov, M. Rossat, H. Gleyzolle, I. Snigireva, and A. Snigirev, 2011, X-ray transfocators: focusing devices based on compound refractive lenses: Journal of Synchrotron Radiation, v. 18, p. 125-133.