1. Scanning white light interference microscope Prosurf of the Fraunhofer Institute of Applied Optics and Precision Mechanics, Schillerstr. 1, 07745 Jena, Germany
2. Coherence radar of Prof. Haeusler, Institute of Optics, University of Erlangen/Nuernberg, Staudtstr. 7/B2, 91058 Erlangen, Germany
3. Fringe projection instrument MacroPLAN of the Omeca Messtechnik GmbH, Warthestr. 21, 14513 Teltow, Germany
4. A kind of confocal microscope the Micro VIEW of the Omeca Messtechnik GmbH, Warthestr. 21, 14513 Teltow, Germany
5. Scanning white light interference microscope New View of the Zygo Corp., Laurel Brook Road, P.O. Box 448, Middlefield, CT 06455-0448, USA