ZnSe Lens Manufacturer | Custom Infrared Lenses for CO2 Laser & LWIR
group nameZnSe Infrared Lens
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Min Order1 piece
brand nameFELIX GLASS optical glass Manufacturing base
modelFG-CPOC-IO01
payment methodL/C, D/A, D/P, Western Union, T/T
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update timeSat, 29 Aug 2026 03:00:20 GMT
Paramtents
Material CVD Zinc Selenide (ZnSe)
Product Type ZnSe Infrared Lens
Application CO2 Laser / Thermal Imaging / LWIR
Lens Type Plano-Convex, Bi-Convex, Meniscus
Coating IR AR Coating
Customization OEM Optical Lens Manufacturing
Packging & Delivery
Min Order1 piece
Briefing
Detailed
Custom ZnSe Infrared Lens for CO₂ Laser and LWIR Optical Systems
Felix Glass provides precision zinc selenide (ZnSe) lenses with custom dimensions, optical polishing and infrared AR coatings for CO₂ laser, thermal imaging and LWIR applications.
Custom Zinc Selenide (ZnSe) Lens Manufacturing
Zinc selenide (ZnSe) is widely used for infrared optical components because of its broad transmission range, low absorption characteristics and suitability for CO₂ laser and thermal imaging systems. As a professional ZnSe infrared lens supplier, Felix Glass delivers fully customized infrared lens solutions covering OEM dimensional customization, ultra‑precision surface polishing, professional infrared anti‑reflection coating, small‑batch prototype production and mass volume manufacturing. We strictly follow infrared optical design standards to ensure stable optical performance, low loss and long‑term reliability for industrial and scientific infrared systems, minimizing optical performance variation and surface defects through controlled manufacturing and inspection processes.
ZnSe Lens Technical Specifications
| Parameter | Capability |
|---|---|
| Material | CVD ZnSe |
| Transmission Range | Approx. 0.5–20 μm |
| Application Wavelength | CO₂ laser 10.6 μm / LWIR |
| Wavelength Range | Visible to LWIR depending on design |
| Lens Type | Plano‑convex, Bi‑convex, Meniscus, Custom |
| Radius of Curvature | Custom optical design |
| Diameter Range | Custom |
| Thickness | Custom |
| Surface Quality | 10/5, 20/10, 40/20 available |
| Surface Accuracy | λ/4, λ/10 available |
| AR Coating | 8‑12 μm, 10.6 μm optimized |
| Edge Treatment | Chamfer / Custom |
| Inspection | Interferometer, spectrometer, visual inspection |
Actual specifications depend on optical design requirements and production feasibility.
ZnSe Lens Optical Design Options
- Plano‑convex lens
- Bi‑convex lens
- Meniscus lens
- Custom curvature design
- Custom focal length
- Custom coating requirements for target infrared wavelength bands
Our engineering team supports co‑development for non‑standard optical geometries for your infrared system project.
ZnSe Optical Material Properties
Zinc selenide (ZnSe) is a high‑performance infrared optical material widely adopted for mid‑wave and long‑wave infrared optical systems. Compared with conventional optical glass, CVD‑grown ZnSe features ultra‑wide infrared transmission spectrum and extremely low optical absorption, making it one of the commonly selected materials for CO₂ laser transmission lenses and LWIR thermal imaging components.
Core Advantages: Broad IR transmission coverage, minimal laser absorption, stable optical performance at room temperature, excellent uniformity for precision optical processing, compatible with professional infrared AR coating solutions.
Material Limitations: ZnSe is softer than germanium and fused silica optical materials, requiring strict surface protection during processing, assembly and application. It is not suitable for high‑friction or harsh abrasive environments without protective coating treatment.
Learn more about material performance and selection criteria: ZnSe Optical Glass
ZnSe Lens Manufacturing Process
Felix Glass implements a standardized, full‑process manufacturing workflow for custom ZnSe lenses to maintaining consistent optical performance and dimensional accuracy for industrial and scientific infrared applications.
Material Inspection
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CNC Grinding
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Optical Polishing
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Cleaning
↓
AR Coating
↓
Optical Inspection
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Packaging
We support the full production cycle from prototype verification, small‑batch trial production to large‑scale OEM volume manufacturing. Every ZnSe lens is processed and inspected in strict accordance with customer optical design requirements and international optical component standards.
ZnSe Lens Applications
CO₂ Laser Systems
ZnSe lenses are the core transmission components for industrial CO₂ laser equipment, widely used in laser cutting, laser engraving, laser marking and laser welding systems. The low‑absorption property ensures minimal laser energy loss and stable long‑term operation. View CO2 Laser ZnSe Optical Solution
Thermal Imaging Systems
As a classic LWIR optical material, ZnSe lenses support clear thermal imaging within the 8–12 μm atmospheric window, applied to industrial temperature measurement, outdoor monitoring and passive infrared detection equipment.
Infrared Cameras
Custom ZnSe optical lenses deliver uniform infrared transmission for infrared camera optical assemblies, ensuring stable imaging quality in low‑light and night‑vision environments.
Gas Detection Equipment
ZnSe optical components adapt to infrared spectrum gas analysis systems, supporting precise spectral detection for industrial gas monitoring and environmental inspection devices.
ZnSe Lens Quality Inspection
Felix Glass establishes a full‑link quality inspection system for all custom ZnSe lenses to eliminate unqualified products before delivery, ensuring compliance with customer optical design and industrial application standards.
- Surface Inspection: Detect scratches, digs, stains and coating defects to meet specified surface quality grades
- Dimension Inspection: Verify diameter, thickness, curvature and edge tolerance to guarantee assembly accuracy
- Transmission Testing: Spectrometer testing to confirm infrared transmittance and low‑absorption performance
- Coating Inspection: Check coating uniformity, wavelength adaptability and anti‑reflection performance
Example Engineering Application
Application Example: ZnSe Lens Solution for CO₂ Laser Processing Equipment
Custom CVD ZnSe infrared lenses configured with 10.6 μm anti‑reflection coating for industrial CO₂ laser processing equipment. Optimized for low absorption and stable long‑time operation. Suitable for prototype validation and serial production orders.
Request ZnSe Lens Quotation
To receive precise engineering evaluation and formal quotation, please prepare the following specifications or upload your optical drawing:
- Lens type
- Diameter
- Center thickness / edge thickness
- Radius of curvature
- Surface quality
- Working wavelength
- Coating requirements
- Order quantity (prototype / small batch / volume)
- Optical design drawing (preferred)
FAQ
What is ZnSe lens used for?
ZnSe (Zinc Selenide) lenses are core infrared optical components mainly used for CO₂ laser systems, LWIR thermal imaging devices, infrared cameras and high‑precision gas detection optical equipment, delivering low‑loss infrared transmission and stable optical performance.
Why is ZnSe commonly used for CO₂ laser optics?
ZnSe material features extremely low absorption at the 10.6 μm CO₂ laser wavelength, which minimizes laser energy loss and thermal deformation. It provides excellent optical uniformity and high transmittance, making it one of the most commonly selected materials for industrial CO₂ laser optics.
Can Felix Glass manufacture custom ZnSe lenses?
Yes. Felix Glass provides full‑custom ZnSe lens services, including customized lens type, dimension, surface accuracy, surface quality and infrared AR coating. We support prototype samples, small‑batch customization and large‑scale OEM production for industrial and commercial infrared optical projects.
What AR coating is available for ZnSe lenses?
We provide professional infrared anti‑reflection coatings optimized for mainstream application bands, including 8–12 μm LWIR broadband AR coating and 10.6 μm CO₂ laser specific AR coating. All coatings feature high transmittance, low reflection and strong environmental adaptability.
What is the difference between ZnSe and Germanium lenses?
ZnSe lenses excel at low‑absorption CO₂ laser transmission and wide‑spectrum infrared transmission, suitable for laser emission and high‑transmittance optical paths. Germanium lenses have higher refractive index and are more suitable for thermal imaging focusing and infrared detection systems. Learn more: ZnSe vs Germanium IR Optics
What information is required for ZnSe lens quotation?
To provide accurate quotation and optical solution design, we need core parameters including lens type, dimension tolerance, surface quality, surface accuracy, working wavelength, coating requirements and order quantity. You can directly upload design drawings for one‑stop engineering evaluation and quotation.
Related Products
For infrared material comparison tool: IR Material Selection Guide
Compare material performance: ZnSe vs ZnS Optical Comparison
Get Custom ZnSe Infrared Lens Optical Solution
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