Birefringent, Chalcogen, Non-linear optics

• Ag-Ga-S
• B-Ba-O
• Li-Nb-O
• C-F-K-O-Sr
• K-Li-Nb-O
• second-harmonic generation
• non-linear optical properties
• chalcogen
• birefringent
• nonmetal
• non-disordered
• transitional
• tetragonal
• trigonal
• orthorhombic
• hexagonal
• cubic