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25mm Dia., 3mm Thick, Uncoated, Suprasil Window

Suprasil® Windows

Suprasil® Windows

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Stock #15-471
S$167.40
Qty 1-10
S$167.40
Qty 11+
S$151.13
Volume Pricing
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Abbe Number (vd):
67.8
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
22.50
Diameter (mm):
25.00 +0.00/-0.10
Thickness (mm):
3.00 ±0.10
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
0.51 (0 to +100°C)
0.58 (0 to +200°C)
Density (g/cm3):
2.20
Edges:
Fine Ground
Index of Refraction nd:
1.459
Knoop Hardness (kg/mm2):
591
Parallelism (arcsec):
<5
Poisson's Ratio:
0.17
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Suprasil® 300
Surface Quality:
10-5
Transmitted Wavefront, P-V:
λ/10
Type:
Protective Window
Wavelength Range (nm):
200 - 3500
Young's Modulus (GPa):
70

Regulatory Compliance

RoHS:

Product Family Description

  • High Transmission from 200 to 3500nm
  • <1 ppm OH Content for Minimal Absorption Losses
  • 10-5 Surface Quality and up to λ/10 TWD

Suprasil® Windows are constructed from high purity synthetic fused silica and provide high, flat transmission from 200 to 3500nm. Suprasil has similar mechanical properties to fused silica with the added benefit of having no absorption bands in the visible or infrared spectra, resulting in no transmission loss between 1400 - 2700nm. Compared to Infrasil®, Suprasil has lower absorption with a <1 ppm OH content, causing negligible increase in temperature from bulk absorption when used with high powered lasers. Suprasil Windows are ideal for laser material processing, medical laser applications, or applications using Nd:doped or 2 micron lasers. 

Transmission of Suprasil 300 compared to Corning 7980
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