Ecvv Trade
Paradise Photonics Inc.

China Manufacturer with main products: Waveplates, Crystal, Optics Windwos, Prisms, Lenses, Coating, Filter, Mirror

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CaF2 Windows

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe


Windows are applied to isolate different physical environments while allowing light to passing through. We offer a range of optical quality windows including BK7 windows,Fused Silica windows,CaF2 Windows,sapphire windows,etc.
Note for CaF2 Window:

  • Custom-made CaF2 windows at any size are available.
  • Besides round, CaF2 windows at shape of quadrate, triangular, or other polygonal are available.
  • Typical thickness is 2mm, 3mm, 4mm, other thickness from 1.0mm to 20.0 mm is available.. Better bevel is available upon request.
  • CaF2 Windows with Anti-Reflective(AR), High-Reflective(HR), Partial-Reflective(PR) coating are available.
Diameter Tolerance:
Thickness Tolerance:
Clear Aperture:
>Central 80%
Wavefront Distortion :
l per 25mm
Surface Quality:
60/40 scratch and dig

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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