Measurement of absciss layer displacement with optical grating computation;

Design of printing system with needle-type grating head for OVD'S;

Conceptual Design and Key Technology of the Grating Duplicating Machine;

Design of raster data acquisition system for large diameter measurement with multiple rolling-wheel method;

The stroke/raster signal generation and test in ATS;

High-Speed Processing of Signals of Raster Displacement Sensor by PLC;

Computation and analysis of electric field distribution in one-dimensional gratings;

Fabrication of Binary Phase Gratings with Arbitrary geometry Coding scheme;

Photowritten waveguides and gratings inside the fused silica glasses by femtosecond laser pulses;

The concave diffraction grating on the film of PPTA is prepared by the double beam interference illumination.

This paper quantitatively compares the spectrum characteristics between Fabry-Perot interferometer with gain medium and diffraction grating spectrometer.