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Precision Aspheric Lens with AR Coating for Laser/Optical Systems - China Suppliers & Factory
Product Description
Core Functions
- Aberration Correction: Aspheric curvature eliminates spherical aberration, field curvature, distortion for diffraction-limited performance (wavefront error <λ/4 RMS).
- High Transmission: AR coatings reduce reflection loss (<0.25% per surface), optimized for broadband (400–1100nm) or laser lines (355nm, 1064nm).
- Compact Design: Single aspheric lens replaces multi-spherical assemblies, cutting size/weight >50%.
Technical Specifications
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Materials & Processes:
• Moulded Glass: Surface accuracy ±0.5μm for VIS-NIR;
• Diamond-Turned: IR materials (ZnSe, Ge) with roughness <10nm Ra;
• UV Fused Silica: High LIDT (>5J/cm² @355nm) for UV lasers. -
Precision:
• Surface figure <0.1μm PV, slope error <0.5μm/mm;
• Center thickness tolerance ±0.02mm, diameter ±0.05mm, clear aperture >90%;
• Surface quality 20-10 scratch/dig (optional 10-5 ultra-precision). -
Coatings:
• Broadband AR: Average reflectivity <0.5% (400–1100nm);
• High-LIDT AR: Compatible with >10kW/cm² CW or femtosecond lasers.
Applications
- Laser Processing: Focus lenses for fiber laser cutting heads, enhancing beam quality.
- Imaging Systems: Compact lens arrays in endoscopes/microscopes for aberration-free imaging.
- Optical Communication: Collimation lenses in FSO modules, minimizing coupling loss.
Customization
- Complex Profiles: Double aspheric, diffractive hybrid, or freeform surfaces.
- Pre-Aligned Modules: Integrated with collimators/isolators for plug-and-play assembly.
- Fast Turnaround: Standard orders in 7 days, special requests <4 weeks.
Differentiation Highlights
- Nanoscale Surface Control: Interferometer/profilometer dual QC ensures λ/10 wavefront accuracy for EUV lithography or telescopes.
- Multi-Process Versatility: Diamond-turned aspherics cover 3–20μm IR for thermal imaging or gas sensing.
Custom & OEM Process
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Frequently Asked Questions
Q1 Are you a factory?
Yes, we are a professional manufacturer of optical components, we have more than 20 years experience in optical cold working.
Q2 Can I custom the products based on my requirement?
Yes, we can custom the material, specifications and optical coating for your optical components as your requirement.
Q3 How can I get sample from you?
Just send us your requirements, then we will send samples accordingly.
Q4 How many days will samples be finished? How about mass products?
Generally, we need 1-2 days to finish the sample production. As for the mass products, it depends on your order quantity.
Q5 What's the delivery time?
(1) For inventory: the delivery time is 1-3 working days.
(2) For customized products: the delivery time is 7 to 25 working days According to the quantity.
(2) For customized products: the delivery time is 7 to 25 working days According to the quantity.
Q6 How do you control the quality?
More than four times quality inspect during production process, we can provide the Quality test report.