Project supported by the National Natural Science Foundation of China (Grant No.50175037)
A profilometer used for 3 dimension measurement of micro-surface topography is presented. The instrument is based on the vertical scanning microscopic interferometry (VSMI). A Linnik type interference microscope is ...
This project is supported by National Natural Sciences Foundation of China (No.50175037).
On the basis of existing techniques, a compact micro-displacement sensor of phase grating interference (PGI) is described, which adopts cylindrical hologram diffraction grating as the calibration standard. The optic...
Supported by the National Natural Science Foundation of China (50175037)
A 3D probe used for NC\|copying process is proposed in the paper. The construction of parallel springs is adopted in the probe. It has compact structure and little volume. By adjusting spring force and improving sensi...