1. Optical Glasses, Crystals and Ceramics
2. Laser and LED Gain Media
3. Nonlinear Optical Materials
4. Organic and Polymeric Optical Materials
5. Metamaterials and Metasurfaces
6. Plasmonics
7. Biomimetic and Biocompatible Optical Materials
8. Nanomaterials
9. Two-dimensional materials
10. Phase-change materials
11. Advanced Optical Thin Films
12. Materials for Solar Energy Applications
13. Materials for Flexible Displays
14. Refractory optical materials for extreme environments