The Best 400 Watt Laser of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 400 Watt Laser of 2025. Check our ranking below.
2,151 Reviews Scanned
- Power: 400 Watt, Length: 1750mm. This co2 laser tube is a part of co2 laser cutter engraver and cutting engraving machine, especially good for cutting of plastic, cloth, paper, leather, steel, iron, alloy and other high-hardness thin metals
- 【SPECIAL COATING TECHNOLOGY and BIGGER DIAMETER】: This CO2 laser tube adopts inner discharge tube coated with nano gold catalyst, and the bigger diamter can be filled more CO2, make the power more stable, and service life longer, better choice for the people who has heavy workload and long working hours
- 【WATER COOLING】: Professional water cooling and hermetic CO2 glass laser tube, for there are 3 laser tubes inner the tube, 3 cooling water systems are needed.It is excellent in laser spot with TEM00 mode, and has strong laser energy.
- 【TECHNICAL SUPPORT】: As a professional seller, we have all kinds of accessories of laser machine, and we can provide installation support through video and lifetime technical support. The positive protective connector heads are given as a present.
- Lead Time: 7-10 Business Days. Each tube is checked for quality before it is sent out, with a test under different voltage and related output power. It is important to note that while you may achieve better performance at higher wattage, it can also shorten the life of the tube. We insure the tube when ship, if there is any broken in transport, we will send a new one free again depending on the broken photos and damage report from courier.
- Material: High class CVD ZnSe material (US II-VI). High-quality materials ensure more stable laser system; excellent High-Power density endurance.
- Diameter: 25mm/0.98"; Focal Length:63.5mm/2.5"; Thickness:3mm/0.12";Transmittance: ≥99.8%. Compatible power: 40W-500W.
- Exquisite Process: Superb Double-sided solid coating, not easy to fall off, increase service life, precision slicing, polishing and grinding process, Reduced laser loss, wiping resistant, high temperature resistance, excellent optical properties, high working efficiency.
- High efficiency: CVD ZnSe Laser Focus Lens has smaller focusing spot size, the energy is more concentrated, making the CO2 laser engraving, cutting machine more efficient.
- Usage: CO2 replacement laser lens are mainly used in CO2 laser engraving and cutting well.
- 1. Material: GaAs, Diam: 27.94mm/ 1.1", Focal length: 50.8mm/2", Thickness: approximate 2.5mm / 0.1", Usage: CO2 Laser Lens for higher power CO2 laser engraving, cutting machine
- 2. Compatible power: Dia.15mm/18mm/19.05mm/20mm, 40W-200W; Dia.25mm/25.4mm, 40W-400W; Dia.27.94mm/28mm, Up to 600W CO2 laser resistance;
- 3. High Transmittance: To obtain superior transmittance, GaAs crystals are grown by Chemical Vapor Deposition process. Please note: GaAs Focus lens appear in different colors under different light.
- 4. GaAs material is a chemically inert, non-hygroscopic and highly pure product that has high resistance to thermal shock and stability in virtually all environments, can work under higher temperature and with longer work life.
- 5. Double-sided Solid Coating, demonstrates superior CO2 laser transmittance and is employed as the transmission optical components used in CO2 laser processing.
- 【Parmeter】Diameter: 25mm (0.98inch), Focal Length: 50.8mm (2 inches), Thickness: 3mm (0.11 inch);Package includes: 1 x CO2 Laser Lens; Shape: Meniscus; Transmittance: ≥99.8%..
- 【High quality Material】High quality Laser Focal Lens use CVD ZnSe(US II-VI）cystal material, resistant to high temperature, excellent optical properties，up to 150W CO2 laser resistance.
- 【High Transmittance】Znse Focal Lens both sides strongly antireflective coating achieve a 99.9% Laser Transmittance rate, 10% Higher Work Efficiency.
- 【Lasting Durability】This laser focal lens with superb double-sided solid coating, wiping resistance, longer working life.
- 【Wide Compatibility】This 18mm laser focal lens can be used in your 80w-150w CO2 laser engraving and cutting machine , K40 Laser Mirror replacement for more accurate and efficient production.
- II-VI ZnSe coating 10600nm
- ET=2.3mm
- Diameter: 25mm,Focal length: 5" 127mm
- It's good for 40W,50W,60W ,80W,100W,130W,150W,180W,200W,max 400W CO2 laser 10600nm 10.6um.
- 🏆 40W Diode Laser Module - K40 is a true 40W+(40000mW ) output laser engraving and cutting module designed for powerful cutting. Built-in eight high-performance fast-axis compression diodes, which can provide up to 44000mW optical power to achieve fast and efficient cutting. LASER TREE laser cutter module can cut 30mm pinewood, 15mm acrylic, and 30mm plywood in one pass. A One-Stop Solution For All Your Machine Upgrades
- 🏆 Built-in Air Assist & Dual Fan Cooling Design - Built-in air assist improves cutting performance, and reduces air resistance, resulting in faster, deeper, and smoother cutting with fewer burn marks, cutting accuracy and cutting quality can also be optimized to a great extent. Dual fan cooling design, excellent heat dissipation improves laser head stability and service life.
- 🏆Wide Compatibility - In order to improve the compatibility with different laser engraver machines, K40 provides a solution by an adapter board for electric compatibility and a sliding bracket with multi holes for installation compatibility. Electric compatibility can be checked easily by 'power' and 'signal' LED indicators. This laser module is compatible with TTL/PWM-controlled DIY machine, laser engraver cutter machine, CNC laser machine, and 3D printer machines
- 🏆Detailed design - The bottom is equipped with a red cross positioning cursor (offset X: 0mm, Y: -21mm), which can quickly locate the starting point and ensure the accuracy of the secondary cutting operation. Integrated dovetail guide design ensures smooth movement and stability of the equipment. The focus slider structure has been upgraded to slide more smoothly, allowing users to achieve precise cutting quickly and easily
- 🏆 Technical Support & After Service - LASER TREE is a professional manufacturer of laser modules. We provide Amazon customers with the best quality laser modules and comprehensive pre-sales and after-sales services. We offer 12 month's warranty on our products. Laser Level: Class 4
- 1. Material: CVD Znse, Diam: 28mm/ 1.1", Focal length: 101.6mm /4", Thickness: approximate 3mm / 0.12", Tolerance ±0.2 mm, Usage: CO2 Laser Lens for CO2 laser engraving, cutting machine
- 2. Compatible power: Dia.12mm/15mm/18mm/19.05mm/20mm, 30W-150W; Dia.25mm, Up to 300W, Dia.27.94mm/28mm, Up to 400W CO2 laser resistance; Dia.38.1mm-T7, Up to 2kW CO2 laser resistance; Dia.38.1mm-T9, Up to 3kW CO2 laser resistance.
- 3. Superb coating process: Double-sided solid coating, Reduces laser loss, Laser transmittance up to 99.8%, Wiping Resistance, Long Working Life.
- 4. High Precision Process: Excellent Substrate, Precision Slicing, Polishing, Grinding Processes, Adapt to higher operating temperatures.
- 5. High Transmittance: High Quality Material and Exquisite Coating. Reduce the Loss of Laser, Higher Work Efficiency.
Last update on 2026-02-19 / Affiliate links / Images from Amazon Product Advertising API
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