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0102030405

Precision Custom Cylindrical Lenses for Optics - China Suppliers and Factory with <λ/5 Surface Flatness

Discover ALHAZEN's custom cylindrical lenses, expertly crafted with a single-axis curvature design (plano-convex, plano-concave, toric) that achieves exceptional surface flatness of <λ/5 (@633nm) and a precise diameter tolerance of ±0.02mm. These high-performance lenses are compatible with wavelengths ranging from 200nm to 14μm, making them perfect for applications such as laser beam shaping, semiconductor inspection, and medical imaging. As a leading China supplier and factory for optical components, ALHAZEN is dedicated to providing top-quality solutions tailored to your needs.

Product Detail

Product Description

1. Core Functions

Single-Axis Focus/Divergence: Converts laser beams to line spots (1:100 aspect ratio) or corrects astigmatism;
Beam Shaping: Collimates elliptical beams to circular (<5% ellipticity) for uniform laser processing.
Broadband Compatibility: Materials include UV fused silica, N-BK7, ZnSe for DUV to LWIR.

2. Technical Specifications

Materials & Design:
- UV Fused Silica: >90% transmission @200–2500nm, high LIDT (>10J/cm² @355nm);
- IR Materials (Ge, ZnSe): Covers 3–14μm for CO₂ lasers (10.6μm).
Precision:
- Surface flatness <λ/5 (@633nm), radius tolerance ±0.5%;
- Diameter 5–300mm, thickness tolerance ±0.05mm, eccentricity ≤1 arcmin;
- Surface quality 40-20 scratch/dig (upgradable to 10-5).
Coatings:
- AR Coatings: <0.5% reflectivity per surface (e.g., 355nm, 1064nm);
- BBAR Coatings: 400–1200nm range with <0.8% average reflectivity;
- Metallic Coatings (Al, Au): For IR reflection or harsh environments.

3. Applications

Laser Processing: Line focusing in fiber laser cutting for metal processing;
Semiconductor Inspection: Beam homogenization in wafer defect detection (±1μm resolution);
Medical Imaging: Astigmatism correction in OCT systems (<5μm axial resolution).

4. Customization

Complex Profiles: Toric, aspheric cylindrical lenses, or doublet/triplet assemblies;
Custom Shapes: Rectangular/arc-cut designs with tailored edges or holes;
Fast Turnaround: Standard orders in 5 days, special requests <3 weeks.

Differentiation Highlights

Extended Depth of Focus

Toric lenses achieve ±50mm focal depth for large-DOF industrial inspection;

High-Temperature Resistance

ZnSe withstands >300°C for semiconductor thermal processes.

Custom & OEM Process

Materials capabilities

Coating capabilities

Advanced Equipment

Custom Sizes and Shapes

Quality Assurancetesting

Experienced Team

Company introduction

Q&A

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: What is the MOQ of your products?

No MOQ for customer if our product is in stock, or 1-10pcs.

Q3: 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.

Q4: How can I get sample from you?

Just send us your requirements, then we will send samples accordingly.

Q5: 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.

Q6: 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.