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4.5mm Diameter Float Glass Window

Stock #30-648 In Stock
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Diameter (mm):
Thickness (mm):
Fine Ground
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Float Glass
Surface Flatness (P-V):
4 - 6λ
Surface Quality:
Protective Window
Wavelength Range (nm):
350 - 2000

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 233:

Product Family Description

  • Transmits Visible and Near Infrared Wavelengths
  • Available Uncoated or with an Anti-Reflection Coating
  • Variety of Sizes Available

Float Glass Optical Windows are optical glass with polished faces that are relatively parallel and are typically used as a protective element between two environments. Float glass readily transmits visible and near-infrared wavelengths and can be used in a wide variety of applications. Float Glass Optical Windows are versatile products offered in circular and rectangular options. They are available uncoated or with BBAR (Broadband Anti-Reflective) 400-700nm coating.