Protective Windows For Laser Cutting Head

Protective lenses, also known as laser protective lenses or laser protective windows, are made from materials such as quartz glass, sapphire glass, and K9 optical glass. Their surfaces are coated with reflective layers tailored to specific wavelengths. The primary function of these lenses is to shield the focus lens from dust and molten splatter. While commonly used in laser cutting machines, they are also essential in other laser equipment like laser marking, welding, and engraving systems. By protecting critical components, they help reduce operating costs during the laser processing, making them widely used across various industries.

Specification

Double Coating Strong Durability
Anti-reflection flm with high damage threshold is coatedon both sides to reduce the loss caused by refection andprotect it from splash and other hazards

Reflectance (%)&Wavelength(nm) of 1064nm quartz protective windows

Laser Protective Lens Maintenance And Install

Laser Protective Windows Cleaning Method
Prepare Hands
Place protective finger cots on your left thumb and index finger. This will prevent direct contact with the lens surface.
Prepare Cleaning Swabs
Lightly spray ethanol onto polyester cotton swabs to moisten them.
Handle the Lens
Using your left thumb and index finger, carefully hold the edges of the lens. Ensure that the finger cots do not come into contact with the lens surface to avoid leaving any smudges or marks.
Clean the Lens
Hold the lens at eye level for better visibility. With the polyester cotton swabs in your right hand, gently clean the lens surface, moving from the bottom to the top. Repeat the process for both sides of the lens.
Final Check
After cleaning, inspect the lens carefully to ensure no residues such as detergent, dust, foreign particles, or impurities remain on the surface.

Advantages of Quartz Laser Protective Lenses
Double Coating for Enhanced Durability
The lenses feature a double-layer anti-reflection coating with a high damage threshold on both sides. This coating minimizes reflection losses while providing superior protection against splashes and other potential hazards, significantly increasing the lens's lifespan and performance.
High Temperature and Laser Resistance
Manufactured from premium optical substrates, these lenses offer outstanding thermal stability and optical clarity. Precision processes such as slicing, polishing, and grinding make them highly resistant to extreme temperatures and powerful laser exposure, ensuring consistent and reliable performance in demanding laser applications.
Superior Durability and Crack Resistance
Crafted from high-quality quartz crystal (Shi Ying), the lenses have a uniform structure with excellent mechanical strength. They are engineered to withstand high temperatures and pressure without cracking or chipping, making them extremely durable even under harsh conditions.
Safe and User-Friendly Design
Designed with user safety in mind, the lenses have smooth edges and a 45° protective full-angle design. This ergonomic feature prevents hand injuries and makes handling easier, while also improving cutting efficiency and speed, ensuring a smooth application process.

Apilication

Laser Cutting Machine

Laser Welding Machine

Laser Cleaning Machine