T1. Optical materials and thin films

T2. Optical Systems Technology

T3. Nonlinear Optics and Lasers Application

T4. Optical fibers and guided waves

T5. Optical design and engineering

T6. Biomedical Optics

T7. Nanophotonics and optoelectronics

T8. Adaptive optics

T9. Plasmonic and metamaterials

T10. Optical and photonics Diagnostics

T11. Optical metrology

T12. AI and Optics

T13. Other topics related to optical field