Diamond Optical Windows Market Size, Share, Growth, and Industry Analysis, By Type (Diameter Below 6mm, Diameter 6mm-15mm, Diameter Above 15mm), By Application (Infrared Window/Fairing (Infrared Band), High Power Industrial Lasers (Infrared Band), Microwave Weapons, Nuclear Fusion Reactors (Microwave Band), Lithography System Components (Extreme Ultraviolet), Traveling Wave Tube (THz Band), Others), Regional Insights and Forecast From 2026 To 2035