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Quick Details

  • Place of Origin: Jilin, China (Mainland)
  • Brand Name: SUNDAY
  • Model Number: SPL
  • Material: znse
  • Usage: co2 laser
  • Structure: plano
  • Shape: Plano
  • material: znse
  • diameter: 2mm to 300mm
  • surface quality: 40/20
  • flatness: 1/4lambda
  • tolerance: +/-0.1mm

Packaging & Delivery

Packaging Details carton case,firm and safe package for air transmission
Delivery Time 7-30days

Infrared znse window

 Zinc selenide  windows are widely used in CO2 laser process, including cutting, drilling, carving & other laser system. With the imported material, our products can withstand high power density; and the film is solid, with which the lens are resistant to wipe. Because of the double-side film, the filterability of the light (the wavelength is 10.6μm) can reach 99%.  


Material:Zinc Selenide
Design Wavelength:10.6μm
Focal Length Tolerance:±1%
Diameter Tolerance:+0.0/-0.1mm
Thickness Tolerance:±0.1mm
Surface Accuracy:λ/4at 632.8nm
Surface Quality:40-20
Clear Aperture:>90%
Coating:AR at 10.6um,BR AR at 8-14um




Our Payment



we accept bank transfer(TT),Paypal,Wester Union,Moneygram, aliexpress,and alibaba trade assurance ways, both on-line payment and off-line payment are for your choise.


 All new customer shoule be 100% in advance payment








 when customer get the package,please first check the situation and the quality, if there is any quality problems made by us, we would like to change new ones or return back the money, also we will responsible for freight for custom.

all things we put custom on the first consider way.







All the products will be package with firm box,customer can chose UPS,DHL,Fedex,SF,TNT,EMS,etc.we suggest:


UPS: America shipping is faster, 2-3 days

DHL: Europe,America,Asian,Oceania,Africa is 3-5 days.

Fedex: Europe,America,Asian,Oceania,Africa is 3-5 days


SF: only can be used for Asian countries,3-5 days










Company information



 Changchun Sunday Optoelectronics Co., Ltd. is a high technology enterprise producing optical lenses, prisms, windows, filters, mirrors and coatings. Optical glass, crystal, sapphire, fused silica, znse, caf2, gel materials are on request, Sunday has proven technology and high-tech testing devices, such as ZYGO interferometer, NIKON 6D, Nikon ruler and collimator set. 4 production lines can offer large demands for customers. Sunday also has laser products such as laser module, laser pointer, portable laser and laser diode.




Sunday has established business relationships with many customers in the world. We make designs and development, pursuing details and service. We welcome your inquiry and sample order!






Contact Us 










 Changchun Sunday Optoelectronics Co.,ltd








No9576 Donghuan Road, Changchun, 130033,China








TEL:+86-431-81323204   FAX: +86-431-81323204








Website: www.sunday-optics.com


Transaction History of the Supplier

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Trade Assurance
China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
3 Transactions 2,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $332,000
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