Glass Windows are flat optical components manufactured from high-quality optical materials such as BK7, fused silica, or specialty glass types. They are designed to transmit light efficiently while maintaining environmental isolation between optical systems and external conditions. These windows are widely used in imaging devices, laser systems, sensors, and industrial inspection equipment. Their primary function is protective transparency, ensuring that optical paths remain unobstructed while shielding internal components from contamination, pressure changes, and mechanical damage. With high surface flatness and parallelism, Glass Windows minimize wavefront distortion and maintain optical clarity across visible and near-infrared wavelengths.