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American Photonics

18mm ZnSe Focus Lens 2mm Edge Thickness For CO2 Laser 10.6um

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Focal Length

Care information

High care information about CO2 laser lenses, fiber laser protective windows, and
fiber laser lenses is essential to ensure the optimal performance and longevity
of these critical components in laser systems. Here are some key points to consider:

CO2 Laser Lenses:

Cleaning:
Regularly clean CO2 laser lenses to remove dust, debris, and residue. Use a
soft, lint-free cloth or lens cleaning tissue. Avoid using abrasive materials
that may scratch the lens.

Handling:
Always handle CO2 lenses with clean hands or lint-free gloves to avoid transferring oils or contaminants onto the lens surface.

Storage:
Store lenses in a clean, dry, and dust-free environment to prevent damage and
maintain their integrity.

Alignment:
Properly align CO2 lenses within the laser system to ensure efficient laser
beam delivery and focus.

Inspection:
Regularly inspect lenses for signs of damage, scratches, or deterioration.
Replace any damaged or worn lenses promptly.

Fiber
Laser Protective Windows:

Cleaning:
Clean fiber laser protective windows with care to avoid scratches. Use a gentle
cleaning solution and a soft, lint-free cloth.

Protection:
Keep protective windows in place when the laser system is not in use to prevent
contamination and damage.

Replacement:
If protective windows become damaged, replace them immediately to maintain
laser system safety and performance.

Fiber Laser Lenses:

Cleaning:
Clean fiber laser lenses carefully to prevent damage. Use a lens cleaning
solution and a soft, lint-free cloth or lens tissue.

Handling:
Handle fiber laser lenses with care to avoid fingerprints, oils, or scratches
on the lens surface.

Alignment:
Properly align fiber laser lenses to ensure accurate laser beam focusing and
efficient performance.

Inspection:
Regularly inspect fiber laser lenses for signs of wear, damage, or contamination. Replace any compromised lenses promptly.

Environmental Considerations: Be mindful of environmental factors such as temperature and
humidity, as extreme conditions may affect lens performance.

Overall,
maintaining high care and attention to detail when handling, cleaning, and
storing CO2 laser lenses, fiber laser protective windows, and fiber laser
lenses will enhance their longevity and contribute to the smooth and reliable
operation of your laser systems. Always follow the manufacturer's guidelines
and best practices for each specific component to ensure optimal results.

Delivery and Shipping

FOR ITEMS IN STOCK: 

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claims.”

Where Precision Meets Quality: Buy with Confidence.
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18mm ZnSe Focus Lens for CO₂ Laser – 2mm Edge Thickness – 10.6µm

Upgrade your CO₂ laser system with a premium 18mm ZnSe Focus Lens engineered for superior engraving precision, cleaner cuts, and reliable high-power performance. Manufactured in the USA by American Photonics, this laser-grade Zinc Selenide (ZnSe) lens is optimized for 10.6µm CO₂ laser systems and designed as a high-performance replacement lens for a wide range of popular laser machines.

Featuring an 18mm diameter (.708") and 2mm edge thickness, this lens delivers exceptional beam transmission, thermal stability, and optical clarity for professional engraving and cutting applications.


Why Choose This 18mm ZnSe Focus Lens?

  • Premium USA-made laser-grade ZnSe material
  • Dual-sided anti-reflective (AR) coating for maximum beam efficiency
  • Excellent engraving detail and cutting performance
  • Designed for CO₂ lasers up to 200W
  • Multiple focal length options available
  • High optical clarity and thermal durability
  • Ideal replacement for standard 18mm CO₂ laser lenses

Available Focal Length Options

Choose the focal length best suited for your application:

38.1mm (1.5") – Precision Engraving

Perfect for fine detail work, intricate graphics, and high-resolution engraving on wood, acrylic, leather, and coated materials.

50.8mm (2.0") – Versatile Everyday Performance

A balanced focal length ideal for both engraving and cutting across a wide variety of materials.

63.5mm (2.5") – Enhanced Depth & Flexibility

Provides an excellent balance between engraving precision and deeper cutting capability.

101.6mm (4.0") – Extended Focal Range

Designed for thicker materials, deeper engraving, and specialty laser applications.


Product Specifications

  • APC Part Number: LM-18-Z-50.8-ET2.0-DBAR
  • Lens Type: CO₂ Laser Focus Lens
  • Material: Premium ZnSe Laser Grade (Made in USA)
  • Wavelength: 10.6µm
  • Diameter (Dia): 18mm (.708")
  • Edge Thickness (ET): 2mm
  • Coating: Anti-Reflective (AR) Coated Both Sides
  • Power Handling: Up to 200W
  • Diameter Tolerance: +0 / -0.17mm
  • Center Thickness Tolerance: ±0.1mm
  • Clear Aperture: ≥90% of Diameter
  • Scratch/Dig: 40-20

Compatible CO₂ Laser Machines

Compatible with many popular CO₂ laser systems using 18mm optics, including:

AP Lazer
  • AP Lazer 1812
  • AP Lazer 2616
AEON
  • Mira Series
Monport
  • Onyx-R
OMTech
  • AF-2028 60W
  • AF-2435 80W
  • K40E 40W
  • MF-1220 50W
  • MF-1624 55W
  • MF-1630 70W
  • MF-2028 60W / 80W / 100W
Orion
  • Orion 100W

Compatibility list is provided as a reference and is not exhaustive.


Frequently Asked Questions

 

What does focal length mean for a CO₂ laser lens?

Focal length determines how tightly the laser beam is focused and affects engraving detail, cutting depth, and working distance.

Which focal length is best for engraving?

A 1.5" or 2.0" focal length is typically best for detailed engraving and fine artwork.

Which focal length is best for cutting thicker materials?

Longer focal lengths like 2.5" and 4.0" provide better depth of focus for thicker materials and deeper cuts.

Is this lens compatible with my laser machine?

This lens is designed for machines using standard 18mm CO₂ laser optics. Always verify your lens diameter and focal length requirements before ordering.


Need help understanding laser lens specifications like Focal Length (FL), Diameter (Dia), or Edge Thickness (ET)? Check out our Choosing the Right CO₂ Lens blog for quick and easy guidance on selecting the perfect lens for your laser applications.


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#AmericanPhotonics #CO2LaserLens #PrecisionEngraving #LaserEngraving #LaserCutting #LaserArtistry #MadeInUSA #HighQualityLens

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