Laser Protective Lens
LECI supplies a full range of Laser Protective Lenses for both laser welding and fiber laser cutting machines, covering all standard sizes compatible with major brands on the market. Products are always available in stock, ensuring fast replacement and stable operation.
What Is a Laser Protective Lens?
A Laser Protective Lens is a critical component in laser welding and laser cutting systems. Its primary function is to shield internal optics and the laser emitter from metal spatter, dust, smoke, and reflected laser radiation during processing. As the first line of defense, the lens helps maintain optical cleanliness, ensures stable laser transmission, and preserves consistent processing quality.
These lenses are manufactured from high-grade optical materials offering excellent transmission, high thermal resistance, and scratch protection. Multi-layer anti-reflection (AR) coatings minimize reflective loss, reduce contamination, and enhance overall cutting and welding performance—resulting in cleaner welds and sharper cutting edges.
Advantages of LECI Laser Protective Lenses
High optical transmission, minimizing laser power loss
Multi-layer AR coating for anti-reflection and anti-contamination
Excellent heat resistance and scratch-resistant surface
Reduced slag adhesion and minimized burn marks
Extended lifespan for collimator and focusing lenses
Available Sizes
LECI provides a wide selection of protective lens diameters and thicknesses for laser welding and fiber laser cutting systems. Common sizes include:
- Laser Protective Lens: D18T2, D18T3, D20T2, D20T3, D20T4, D21.5T2, D22.35T4
- Laser Protective Lens: D24.9T1.5, D25T2, D25.4T4, D26T3, D28T2, D27T2, D27.9T4.1
- Laser Protective Lens: D30T2, D30T4, D30T5, D34T1.5, D34T3, D34T5
- Laser Protective Lens: D37T1.6, D37T7, D38.1T1.6, D40T1.5, D40T2, D40T2.5
- Laser Protective Lens" D40T5, D40T7, D50×T2, D50T4, D50T5
- Laser Protective Lens: D55T1.5, D60T3, D78T3, D96T3, D143T3, …
OEM Customization Service
In addition to standard dimensions, LECI offers OEM Laser Protective Lens manufacturing, ensuring precise customization of:
Dimensions
Materials
Coating specifications
to meet the unique welding or cutting application requirements of each customer.
LECI – Over 13 Years of Experience in Laser Technology
LECI is a specialist in laser cutting machines and laser welding systems, providing comprehensive solutions including equipment, consumables, and technical services. Our experienced engineering team supports customers in selecting the appropriate equipment, optimizing processing performance, and improving production efficiency.
We also provide professional maintenance and repair services, quickly addressing optical issues, electrical-control faults, shielding gas problems, and motion system errors. LECI is committed to delivering reliable, efficient technical solutions that minimize downtime and ensure stable machine operation for your production needs.
Contact infomation:
LECI Co., Ltd
Room 1901, Saigon Trade Center, No. 37 Ton Duc Thang Street, Saigon Ward, Ho Chi Minh City, Vietnam
Long Bien, Ha Noi, VN.
Phone: (+84) 901442689 (WhatsApp)
Hotline: 02822202988
Website: lecilaser.com
