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0102030405

Precision Aspheric Lenses from China Suppliers - High-Performance Optical Systems Factory with AR Coating

Discover the precision of ALHAZEN's aspheric lenses, expertly designed to eliminate spherical and astigmatic aberrations through an innovative asymmetric curvature design. With a surface accuracy of ±0.1μm and over 99.5% AR coating transmission, these lenses are compatible with wavelengths from 250 to 1600nm. Perfect for applications in laser focusing, high-resolution imaging, and compact optoelectronics, ALHAZEN stands out as a leading supplier in China, with a dedicated factory ensuring top-notch quality and performance.

Product Detail

Product Description

Core Functions

Aberration Correction: Aspheric curvature eliminates spherical aberration, field curvature, distortion for diffraction-limited performance (wavefront error <λ/4 RMS)1.
High Transmission: AR coatings reduce reflection loss (<0.25% per surface), optimized for broadband (400–1100nm) or laser lines (355nm, 1064nm)12.
Compact Design: Single aspheric lens replaces multi-spherical assemblies, cutting size/weight >50%1.

Technical Specifications

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 lasers12.
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)12.
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

Materials capabilities

Coating capabilities

Advanced Equipment

Custom Sizes and Shapes

Quality Assurancetesting

Experienced Team

Company introduction

Q&A

Are you a factory?

Yes, we are a professional manufacturer of optical components, we have more than 20 years experience in optical cold working.

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.

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.

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.

How do you control the quality?

More than four times quality inspect during production process, we can provide the Quality test report.

What is your payment term?

T/T or L/C, if you want any other way, please contact us.