TY - CONF AU - Chu-Shik Kang AU - Ulf Griesmann AU - Johannes Soons C2 - Proceedings of the 12th International Conference of the European Society for Precision Engineering and Nanotechnology, Stockholm, SE DA - 2012-09-09 00:09:00 LA - en PB - Proceedings of the 12th International Conference of the European Society for Precision Engineering and Nanotechnology, Stockholm, SE PY - 2012 TI - Phase-shifting algorithms for the interferometric measurement of form error, diameter variation and refractive index inhomogeneity of fused silica spheres ER -