ZnSe Manufacturer | Custom ZnSe CO₂ Laser Protection Window
- Model
- FG‑LPW‑001
Item specifics
- Material
- CVD‑ZnSe (Zinc Selenide)
- Working Wavelength
- 0.6μm‑16μm, Optimized @10.6 μm CO₂ Laser
- Available Diameter
- 3mm‑300mm, Custom O.D.
- Thickness
- ±0.1 mm
- Surface Quality
- 40‑20 Scratch‑Dig
- Surface Flatness
- λ/2 @632.8nm
- Parallelism
- <3 arcmin
- Coating Option
- Uncoated / Double‑sided BBAR AR coating @8‑12μm
- Transmittance
- >98.5%@10.6μm (BBAR coated)
- Application
- CO₂ laser cutting, welding, infrared spectroscopy, thermal imaging
Review
Description
Felix Glass manufactures laser‑grade CVD ZnSe protection windows optimized for 10.6 μm industrial CO₂ laser cutting, engraving and welding equipment. Low absorption, premium AR coating, strict optical tolerance, custom dimensions supported.ZnSe CO₂ Laser Protection Window | High Damage Threshold CVD Infrared Optical Glass

Why Choose Felix Glass ZnSe CO₂ Laser Protection Window For Your Optical Glass System
Many industrial laser operators suffer frequent window burn‑out, low transmission, inconsistent coating quality and long lead times from generic optics suppliers. As a professional manufacturer of custom optical glass components, Felix Glass delivers CVD‑grade ZnSe laser protection windows built for real‑world industrial CO₂ laser environments, backed by decades of infrared optics engineering experience.
- Laser‑grade CVD ZnSe raw material, minimal internal impurity and low bulk absorption at 10.6 μm
- Precision double‑sided AR‑AR coating @10.6 μm for maximum infrared light transmission
- Strict surface quality and flatness control to reduce thermal hot‑spots under continuous high‑power laser load
- Standard & custom sizes, quick sampling, full documentation including inspection reports
- Direct factory supply of infrared optical glass, competitive cost for OEM & system integrator customers
Core Optical & Physical Parameters Of Felix Glass ZnSe Infrared Optical Glass
| Item | Typical Specification |
|---|---|
| Base Material | CVD Zinc Selenide (ZnSe) |
| Working Wavelength | 10.6 μm (CO₂ Laser) |
| Transmission Range | 0.6 μm‑16 μm |
| Absorption Coefficient @10.6 μm | <0.001 cm⁻¹ |
| Coating Option | AR‑AR 10.6 μm; Uncoated substrate |
| Reflectivity per surface | <0.5% @10.6 μm (AR coated) |
| Laser Damage Threshold(LDT) | Up to 5 J/cm² pulse, ≥15 kW/cm² CW @10.6 μm |
| Diameter Tolerance | +0 / ‑0.13 mm |
| Thickness Tolerance | ±0.25 mm |
| Surface Quality | 60‑40 / 40‑20 S‑D |
| Surface Flatness | λ/4 @632.8 nm |
| Parallelism | ≤3 arc‑min |
| Clear Aperture | >90% of effective diameter |
All parameters can be adjusted according to your optical glass system design requirements. Contact our engineering team for customized datasheet.
Key Material Advantages Of CVD‑Grade ZnSe Laser Protection Window
Ultra‑Low Infrared Absorption
CVD ZnSe exhibits extremely low absorption loss at 10.6 μm CO₂ laser wavelength, minimizing heat accumulation inside the optical glass window, avoiding thermal distortion and thermal runaway risk for high‑power laser machines.
Excellent Thermal Shock Resistance
Good thermal conductivity enables ZnSe protection window to withstand continuous‑wave high‑power laser working cycles, greatly reducing cracking or burn‑through failures compared with alternative infrared materials.
High‑Performance AR Anti‑Reflection Coating
Dual‑sided AR coating suppresses back‑reflection and ghost light interference, improves energy utilization efficiency and protects upstream laser resonator components inside your system.
Broad‑Spectrum Infrared Compatibility
Beyond CO₂ 10.6 μm, ZnSe optical glass supports wide infrared band transmission, adaptable for multi‑spectral infrared detection and optical measurement setups besides laser processing equipment.
Typical Industrial Applications For Felix Glass ZnSe CO₂ Optical Glass
- Industrial CO₂ laser cutting machines for acrylic, wood, fabric, rubber, plastic material processing
- CO₂ laser engraving and marking systems
- High‑power CO₂ laser welding equipment
- Laser head protective isolation windows inside laser optical path assemblies
- Medical infrared laser instrument optical components
- Infrared thermal imaging and mid‑IR optical test systems
- Scientific research lab infrared optical glass setups
Felix Glass supplies ZnSe laser protection optical glass for system integrators, laser equipment manufacturers, research institutes across North America, Europe and Southeast Asia.
Custom Manufacturing Capabilities For ZnSe Optical Window Components
Beyond standard off‑the‑shelf sizes of ZnSe CO₂ laser protection window, Felix Glass provides full‑service custom optical glass manufacturing for your special optical path requirements:
- Custom diameter, thickness, wedge angle dimension upon drawing or sample
- Special coating requirement: customized AR band, anti‑scratch enhancement coating options
- Circular, rectangular or special shape ZnSe infrared optical window
- Small‑batch prototype sampling and mass‑volume OEM production support
- Provide inspection report: dimension test, surface quality report, transmission spectrum test document
Send us your optical drawing or specification sheet, our optical engineers will review and feedback within 24 working hours.
Material Selection Guide For CO₂ Laser Protection Optical Glass
Selecting suitable ZnSe protection window directly determines uptime of your CO₂ laser equipment. Felix Glass optical engineers summarize key selection check‑points for buyers:
| Check‑Point | Selection Advice |
|---|---|
| Laser Power Level | Higher CW power requires low‑absorption CVD ZnSe grade; avoid low‑cost recrystallized material for high‑power machines |
| Coating Specification | Always confirm AR‑AR coating is tuned exactly for 10.6 μm CO₂ wavelength; wrong coating will cause fast burn‑out |
| Dimension & Clear Aperture | Ensure effective clear aperture covers full laser beam size; insufficient clear aperture causes beam clipping and local over‑heating |
| Working Environment | Heavy smoke & dust environment requires regular maintenance cycle for ZnSe optical glass surface |
Do not confuse flat ZnSe protection window with curved ZnSe focus lens: protection window is dual‑sided flat optical glass for isolation purpose; focus lens is curved for beam focusing function, they cannot substitute each other.
Installation, Handling & Maintenance For ZnSe Laser Optical Glass
ZnSe material is relatively soft and scratch‑sensitive; improper handling will damage the performance of ZnSe CO₂ laser protection window even with premium raw material and coating.
Handling Tips
- Only hold the edge area of ZnSe optical glass; never touch the optical working surface by bare fingers
- Use finger cots or lint‑free gloves during installation process
- Avoid mechanical impact, scratch contact with hard objects
Cleaning Procedure
- First blow loose dust with clean dry nitrogen or dust blower
- Use lint‑free cotton swab soaked with high‑purity isopropyl alcohol for gentle wiping; do not rub hard on coating surface
- Replace ZnSe protection window immediately if coating burns, scratches or stain cannot be removed
Installation Suggestion
Keep uniform mounting pressure; avoid uneven stress clamping which introduces surface distortion and degrades laser beam quality.
Felix Glass Manufacturing & Quality Assurance For Infrared Optical Components
Felix Optical Glass Co., Limited is a specialized manufacturer of infrared optical glass and precision optical components. Our quality‑control system covers full production workflow for ZnSe CO₂ laser protection window:
- Raw incoming inspection for CVD ZnSe blanks: check internal defects, absorption level
- Ultra‑precision grinding & polishing workshop for optical surface fabrication
- In‑house vacuum coating facility for AR anti‑reflection coating process
- Final metrology test: dimension measurement, surface quality inspection, transmission spectrum verification
- Clean‑room packaging for each ZnSe optical glass component to prevent contamination during transit
We support third‑party inspection for batch orders. Our engineering team provides long‑term technical support after product delivery.
Request Quote & Technical Support For Your ZnSe CO₂ Laser Protection Window
Please fill your requirement below: working laser power, required dimension, coating specification, quantity, application scenario or attach your engineering drawing. Our optical specialist will reply you quickly with quotation and technical suggestion.
Frequently Asked Questions
A: We support 1‑piece sample order and mass‑volume batch production for optical glass components.
A: Standard size: 7‑12 working days; custom non‑standard ZnSe window: 15‑25 working days according complexity.
A: Yes, inspection documents including dimension, surface quality and transmission test data are available upon request.
Felix Optical Glass Co., Limited — Felix Glass brand | Custom Precision Infrared Optical Glass & Components Supplier




