(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

Absolute Zero Grating Bar

acoustic diffraction grating

acoustic grating

active phase-shifted fiber grating

Adjustable grating constant

Arrayed waveguide grating

bar grating

Bicolor Composite Grating

BRAGG grating

cast-iron grating

Chirped Fiber Grating

circular grating

civil work grating

concave grating