High-Precision Optical Lenses for Laser Cutting and Engraving Systems

Optical Mirrors presents a premium collection of high-precision optical lenses specifically engineered for laser cutting, engraving, and material processing applications. These lenses are designed to deliver exceptional beam quality, optimal focus control, and long-lasting performance in demanding industrial and workshop environments. Manufactured with advanced optical coatings and precision-ground surfaces, our lenses ensure maximum light transmission, minimal distortion, and reliable operation across various laser wavelengths and power levels.

Key Features

• High-Precision Optics: Precision-ground surfaces with tight tolerances for consistent beam focus

• Advanced Optical Coatings: Anti-reflection and protective coatings for maximum light transmission and durability

• Multi-Wavelength Compatibility: Designed for use with various laser types including CO₂, fiber, and diode lasers

• Thermal Stability: Engineered to withstand high-power laser operations without degradation

• Easy Installation: Standard mounting configurations for straightforward integration

• Durable Construction: Made from high-quality optical materials resistant to laser damage and environmental factors

Technical Specifications

Material Options:

• ZnSe (Zinc Selenide): Optimal for CO₂ lasers (10.6μm wavelength), high transmission rate

• GaAs (Gallium Arsenide): Suitable for high-power laser applications

• Fused Silica: Excellent for UV and visible wavelength lasers

• Germanium: Ideal for infrared laser systems

• Sapphire: Extreme durability for high-power and industrial applications

Standard Specifications:

• Diameter Options: 20mm, 25mm, 30mm, 50mm (custom sizes available)

• Focal Length Range: 25mm to 250mm (standard), custom focal lengths available

• Surface Quality: 10-5 scratch-dig or better

• Surface Flatness: λ/10 or better at 632.8nm

• Parallelism: < 3 arc minutes

• Coating Options:

  • Anti-reflection coating (AR) for specific wavelengths

  • Protected aluminum coating

  • Enhanced silver coating

  • Dielectric coating for high-power applications

• Damage Threshold: > 10 J/cm² for pulsed lasers, > 5 kW/cm² for continuous wave lasers

SKU Details

By Laser Type:

• SKU-LENS-CO2-25mm: 25mm diameter ZnSe lens for CO₂ lasers

• SKU-LENS-CO2-50mm: 50mm diameter ZnSe lens for CO₂ lasers

• SKU-LENS-FIBER-20mm: 20mm diameter fused silica lens for fiber lasers

• SKU-LENS-DIODE-25mm: 25mm diameter lens for diode laser systems

• SKU-LENS-YAG-30mm: 30mm diameter lens for Nd:YAG lasers

By Focal Length:

• SKU-FL-50mm: 50mm focal length standard lens

• SKU-FL-100mm: 100mm focal length for deeper material penetration

• SKU-FL-150mm: 150mm focal length for large-format applications

• SKU-FL-250mm: 250mm focal length for specialized applications

Custom Configurations:

• SKU-CUSTOM-DIAMETER: Custom diameter lenses (specify requirements)

• SKU-CUSTOM-FL: Custom focal length lenses (specify requirements)

• SKU-CUSTOM-COATING: Custom coating solutions (specify wavelength)

Applications

• Laser cutting systems for metals, plastics, wood, and composites

• Laser engraving and marking machines

• Medical laser systems

• Industrial material processing

• Research and laboratory laser setups

• 3D printing and additive manufacturing systems

• Laser shows and entertainment systems

• Optical instrumentation and measurement devices

Performance Characteristics

• Transmission Efficiency: > 99% at specified wavelengths with AR coating

• Thermal Lens Effect: Minimized through material selection and design

• Beam Quality Preservation: Maintains M² factor with minimal degradation

• Longevity: Designed for thousands of hours of continuous operation

• Cleanability: Surface treatments allow for safe cleaning and maintenance

Compatibility

• Compatible with most commercial laser cutting and engraving systems

• Standard threading and mounting configurations available

• Suitable for integration with existing optical assemblies

• Works with laser systems from 10W to multi-kilowatt power levels

Installation & Maintenance

• Mounting: Standard threaded mounts or custom mounting solutions available

• Alignment: Precision-ground edges for easy alignment in optical systems

• Cleaning: Recommended cleaning solutions and procedures provided

• Inspection: Regular inspection recommended for optimal performance

• Replacement: Easy replacement without extensive optical realignment

Quality Assurance

• Each lens undergoes individual inspection for surface quality and optical performance

• Certified materials with documented traceability

• Performance testing at specified wavelengths and power levels

• Compliance with international optical standards

Package Includes

• 1 × High-precision optical lens (specify SKU when ordering)

• Protective storage case

• Handling and cleaning instructions

• Material certification and performance data

Customization Services

• Custom diameters and thicknesses

• Special focal lengths

• Proprietary coating solutions

• Custom mounting configurations

• OEM and volume pricing available

For specific wavelength requirements, custom configurations, or technical consultation regarding lens selection for your laser system, please contact our optical engineering team. We provide comprehensive support for integration, performance optimization, and custom optical solutions.