Flat Windows (Surface Flatness: lambda/20)

Optical Grade CaF2 Calcium Fluoride Window

Optical Grade CaF2 Calcium Fluoride Window

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Sold by: Henan UM Optics Ltd Ships from: China
Specifications
Substrate Material: CaF2, IR Grade CaF2
Diameter (or Largest Dimension): 25 mm
Thickness: 2 mm
Surface Quality (Scratch-Dig): 60-40
Surface Flatness: <= Lambda/10, <= Lambda/20, <= Lambda/8, <= Lambda/6, <= Lambda/4, <= Lambda/2, <= Lambda, <= Lambda/40
Germanium Optics

Germanium Optics

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Sold by: Sinoptix Ships from: Belgium
Specifications
Substrate Material: Ge, CaF2, IR Grade CaF2, MgF2, BaF2, Si
Diameter (or Largest Dimension): 350 mm
Thickness: 5 mm
Antireflection Coating: Coated, Uncoated
Surface Quality (Scratch-Dig): 10-5, 20-10, 40-20, 60-40, 80-50
N-BK7 Optical Windows with AR Coatings

N-BK7 Optical Windows with AR Coatings

Sold by: Photonchina Ships from: China
Specifications
Substrate Material: N-BK7, Fused Silica, UV Grade Fused Silica (UVFS)), IR Grade Fused Silica (IRFS), Sapphire, CaF2, MgF2
Diameter (or Largest Dimension): 1 mm
Thickness: 0.1 mm
Antireflection Coating: Coated, Uncoated
Surface Quality (Scratch-Dig): 10-5, 20-10, 40-20, 60-40
Sapphire Optics

Sapphire Optics

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Sold by: Sinoptix Ships from: Belgium
Specifications
Substrate Material: Sapphire
Diameter (or Largest Dimension): 350 mm
Thickness: 5 mm
Antireflection Coating: Coated, Uncoated
Surface Quality (Scratch-Dig): 10-5, 20-10, 40-20, 60-40, 80-50, Unspecified
VUV Grade CaF2

VUV Grade CaF2

Sold by: Glas Opticslens Co.,Ltd Ships from: China
Specifications
Substrate Material: CaF2
Diameter (or Largest Dimension): 45 mm
Thickness: 3 mm
Antireflection Coating: Coated, Uncoated
Surface Quality (Scratch-Dig): 20-10, 40-20, 60-40, 80-50
These flat laser windows are engineered for high-precision optical applications where minimal wavefront distortion is critical. They offer a range of surface qualities, including 10-5 scratch-dig, and are available with various antireflection coatings. Suppliers like Photonchina and Teledyne Acton Optics provide options in materials such as UV Grade Fused Silica and Sapphire. On FindLight, you can compare technical specifications, request pricing, and connect directly with manufacturers without the need for registration.