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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

12.7mm Dia., Uncoated, IR Ultrafast Thin Window

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Stock #11-752
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Qty 1-5
S$122.45
Qty 6+
S$106.95
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Abbe Number (vd):
67.8
Bevel:
Protective as needed
Clear Aperture (%):
90
Diameter (mm):
12.70 +0.00/-0.10
Thickness (mm):
1.00 ±0.10
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)
Density (g/cm3):
2.20
Edges:
Fine Ground
Index of Refraction nd:
1.458
Knoop Hardness (kg/mm2):
522
Parallelism (arcsec):
≤30
Poisson's Ratio:
0.16
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
20-10
Transmitted Wavefront, P-V:
≤λ/6
Type:
Ultrafast Window
Wavelength Range (nm):
200 - 3500
Young's Modulus (GPa):
73

Regulatory Compliance

RoHS:

Product Family Description

  • 1mm Thickness for Limited GDD
  • Low Loss Broadband IBS Anti-Reflection Coating
  • Designs for Wavelengths from 370nm to 2200nm
  • Coating GDD of ±30fs2
  • UV or IR Grade Fused Silica Substrates

TECHSPEC® Ultrafast Thin Windows are designed with a 1mm thickness to have limited group delay dispersion (GDD), making them ideal for ultrafast laser applications. These thin windows are available coated on both surfaces with an ion-beam sputtered (IBS) broadband antireflection coating optimized to provide low reflectance at wavelength ranges between 370nm to 2.2μm. The IBS coating process also provides these windows with lower absorption losses and scatter than conventionally coated anti-reflection windows. TECHSPEC Ultrafast Thin Windows can also be used in general optical applications that require high-performance optical windows with a small form factor. Uncoated Thin Window substrates (UV Fused Silica or IR Grade Fused Silica) are available to offer the flexibility of custom coatings to meet your application requirements, please contact us for more information.

IR grade fused silica differs from UV grade fused silica by its reduced amount of OH- ions, resulting in higher transmission throughout the NIR spectrum and reduction of transmission in the UV spectrum.

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