M. Testorf, J. Jahns, "Imaging
properties of planar-integrated micro-optics". J. Opt.
Soc. Am. A 16 (1999) 1175 - 1183.
Ch. Gimkiewicz, D. Hagedorn, J. Jahns, E.-B. Kley, F. Thoma,
"Fabrication
of microprisms for planar-optical interconnections using analog
gray-scale lithography with high energy beam sensitive glass"
Appl. Opt. 38 (1999) 2986 - 2990.