ZnSe Lens Manufacturer | Custom Infrared Lenses for CO2 Laser & LWIR
ZnSe Lens Manufacturer | Custom Infrared Lenses for CO2 Laser & LWIR
ZnSe Lens Manufacturer | Custom Infrared Lenses for CO2 Laser & LWIR
ZnSe Lens Manufacturer | Custom Infrared Lenses for CO2 Laser & LWIR
ZnSe Lens Manufacturer | Custom Infrared Lenses for CO2 Laser & LWIR
ZnSe Lens Manufacturer | Custom Infrared Lenses for CO2 Laser & LWIR
Model
FG-CPOC-IO01

Item specifics

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

Review

Description

ZnSe Infrared Lens | Custom Zinc Selenide Lenses for CO₂ Laser & LWIR Systems

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 ZnSe infrared lens manufactured by Felix Glass for CO2 laser optical system

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

CVD ZnSe raw material substrate for infrared lens production

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

CNC Grinding

Optical Polishing

Cleaning

AR Coating

Optical Inspection

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 polishing process at Felix Glass optical factory

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

CO2 laser optical system equipped with custom ZnSe infrared lens

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
ZnSe infrared lens optical inspection using interferometer at Felix Glass

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