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Hydrophobic Windows

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  • Oil and Water Repellent Coating
  • Ideal for Industrial and Harsh Environments
  • AR Coated for <0.5% Reflection in the Visible Spectrum

Hydrophobic Windows are designed to repel oil (oleophobic) and other liquids (hydrophobic), facilitating cleaning and ensuring maximum transmission of incident light. Hydrophobic treated surfaces cause liquids to form droplets on contact rather than be absorbed or spread across the surface of the optic. Hydrophobic Windows feature anti-reflection coatings to provide less than 0.5% reflection per surface from 425 – 675nm. These windows are ideal for harsh environments, portable handheld devices, or biometric measurement devices. 

Indoor Hydrophobic Windows are ideal for applications where cleaning or abrasion is expected while Outdoor Hydrophobic Windows provide better performance both at elevated temperatures and under direct UV light exposure.

Common Specifications

Bevel:
Protective as needed
Thickness (mm):
1.10 ±0.1
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
480
Poisson's Ratio:
0.2
Young's Modulus (GPa):
64
Abbe Number (vd):
65.41
Coating:
Hydrophobic (425-675nm)
Index of Refraction (nd):
1.472
Substrate:
Surface Quality:
80-50
Wavelength Range (nm):
425 - 675
Coefficient of Thermal Expansion CTE (10-6/°C):
3.25
Density (g/cm3):
2.23

Products

Dia. (mm)  Thickness (mm)   Coating   Note   Compare   Stock Number   Price  Buy
5.00 1.10 Hydrophobic (425-675nm) Outdoor
5.00 1.10 Hydrophobic (425-675nm) Indoor
10.00 1.10 Hydrophobic (425-675nm) Outdoor
10.00 1.10 Hydrophobic (425-675nm) Indoor
12.50 1.10 Hydrophobic (425-675nm) Outdoor
12.50 1.10 Hydrophobic (425-675nm) Indoor
15.00 1.10 Hydrophobic (425-675nm) Outdoor
15.00 1.10 Hydrophobic (425-675nm) Indoor
25.00 1.10 Hydrophobic (425-675nm) Outdoor
25.00 1.10 Hydrophobic (425-675nm) Indoor
50.00 1.10 Hydrophobic (425-675nm) Outdoor
50.00 1.10 Hydrophobic (425-675nm) Indoor
75.00 1.10 Hydrophobic (425-675nm) Outdoor
75.00 1.10 Hydrophobic (425-675nm) Indoor
5.00 1.10 Hydrophobic (425-675nm) -

Technical Information

Hydrophobic Window Reflectivity Curve
Hydrophobic Window Reflectivity Curve
Hydrophobic Window Transmission Curve
Hydrophobic Window Transmission Curve

Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.

 
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