diffraction grating interferometer

Grating Interferometer

Grating shearing interferometers

lamellar grating interferometer

laser grating shearing interferometry

spherical lamellar grating interferometer

Bates wave-front shearing interferometer

Cyclic radial shearing interferometer

Lateral Shearing Interferometer

Radial Shearing Interferometer

rotational shearing interferometer

Shearing Interferometer

wave-front shearing interferometer

(fiber) grating

2D grating

2-D grating

2-D grating structure

3D-profile measuring apparatus by phase-shifted projected grating

Abney mounting for concave grating