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Custom ZnSe Zinc Selenide Infrared Optical Window For CO2 Laser & IR Thermal Imaging

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Categories	Infrared Optical Lenses
Brand	FELIX GLASS optical glass Manufacturing base
Model	FG-ZNSE-IR-WINDOW
Substrate Material	High purity zinc selenide (ZnSe) infrared crystal
Transmission Band	0.6~18μm, excellent transmittance at 10.6μm CO₂ laser wavelength
Customizable Spec	Custom round/square dimension, thickness, edge chamfer, IR AR coating
Core Application	CO₂ laser equipment, infrared thermometer, FTIR spectrometer, gas detection sensor
FOB port	SHENGZHEN SHANGHAI GUANGZHOU
Terms of Payment	L/C, D/A, D/P, Western Union, MoneyGram, T/T
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Custom ZnSe Zinc Selenide Infrared Optical Window For CO₂ Laser & Infrared Detection

Felix Glass ZnSe infrared window is made of high-purity zinc selenide crystal, featuring ultra-wide infrared transmission range from 0.6μm to 18μm, with extremely low absorption loss at 10.6μm CO₂ laser band, which is the core protective window material for industrial CO₂ laser equipment.

We provide round, square and rectangular ZnSe blanks with customizable size, thickness and edge chamfer. Double-sided anti-reflection AR coating for infrared band can be deposited to raise infrared transmittance above 95%. The material features stable thermal performance, low thermal expansion coefficient, not easy to deform under long-time laser irradiation.

Core Optical Specifications

- Raw Material: High purity zinc selenide single crystal

- Transmission Range: 0.6 ~ 18 μm

- Key Band Transmittance: ≥70% uncoated, ≥95% after IR AR coating

- Standard Shape: Round, square, rectangle, special irregular outline OEM

- Surface Quality: 60-40 scratch-dig industrial grade, 20-10 high precision optional

- Custom Process: Edge chamfer, single/double side infrared AR coating

Core Product Advantages

1. Excellent transmittance at 10.6μm CO₂ laser, low energy loss for laser cutting/marking machine

2. Wide infrared spectrum coverage, fit thermal imager, infrared temperature sensor and FTIR spectrometer

3. Stable thermal property, resistant to laser thermal radiation, long service life

4. Multiple shape & size customization, match different laser cavity and infrared sensor housing

5. Optional IR anti-reflection coating to reduce surface reflection and improve light efficiency

6. Small sample trial and mass industrial batch orders both acceptable, full spectral test report provided

Typical Application Scenarios

- CO₂ laser cutting, engraving, marking machine output protective window

- Non-contact infrared temperature measurement sensor optical substrate

- Laboratory FTIR Fourier transform infrared spectrometer optical window

- Industrial infrared gas absorption detection equipment

- Thermal imaging camera, infrared night vision optical components

- Medical infrared body temperature detection optical window

OEM Manufacturing Capability

We provide full one-stop ZnSe processing including crystal blank cutting, ultra-precision parallel polishing, vacuum infrared AR coating deposition, edge chamfer treatment, dust-free packaging. Custom size and coating parameters are supported, every ZnSe window passes transmittance and surface defect inspection before delivery.

Standard FAQ

1. Why choose ZnSe for CO₂ laser window?

ZnSe has ultra-low absorption at 10.6μm, high infrared transmittance, better thermal stability than other infrared crystals.

2. Can I customize anti-reflection coating for specific infrared wavelength?

Yes, we customize AR coating matched to 2~14μm infrared band according to customer working wavelength.

3. What shapes of ZnSe window can you produce?

Round, square, rectangular and special irregular shapes are all available for OEM customization.

4. What’s the difference between coated and uncoated ZnSe window?

Uncoated ZnSe has around 70% transmittance; IR AR coated one reaches over 95% transmittance, less energy loss.

5. Do you supply small quantity samples for laser equipment R&D test?

We accept 1 piece small sample order and provide complete spectral transmittance test certificate for each batch.

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What is your MOQ for custom optical glass and display glass parts?: Felix Glass offers highly flexible MOQ to support client projects, including prototype testing, small batch trial orders and large-volume mass production. All products can be fully customized according to your drawings, tolerances and application standards. Send us your specs to get an accurate price quote within 24 hours.

Can I get free glass samples for testing before bulk order?: Yes, our FELIX GLASS factory supports sample testing for a wide range of precision optical glass components and assemblies. The lead time for sample production is 3 to 7 working days. Please contact us today to arrange samples and obtain a customized solution that meets your needs.

What is the production lead time for custom optical glass components?: What is the production lead time for custom optical glass components?
Answer: The lead time for standard samples is 3–7 business days, while mass production takes 15–25 business days, depending on product complexity and order volume. We provide reliable, rapid delivery for orders serving the industrial, medical, automotive, and aerospace sectors. Please submit your project details to receive an accurate delivery schedule.

Are your optical glass products ISO, CE and RoHS certified?: All FELIX GLASS precision optical glass components comply with ISO quality system standards, as well as CE and RoHS requirements. We provide comprehensive test reports, material certificates, and inspection documentation for customer review. Please feel free to request full certification details and a formal quotation today.

Do you offer one-stop custom optical glass processing services?: Yes. We provide a full range of in-house processing services, including CNC machining, precision grinding, optical polishing, vacuum coating (AR, AF, AG, IR), tempering, and screen printing. Every step—from raw material to finished product—is carried out within our own facility. Please let us know your requirements, and we will provide you with the most cost-effective solution.