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12.7mm Dia., 1mm Thick, Uncoated, ISP Optics IR Fused Silica Window | QI-W-12-1

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Product Details

Type:
Protective Window
Model Number:
QI-W-12-1

Physical & Mechanical Properties

Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
10.79
Diameter (mm):
12.70 +0.00/-0.13
Thickness (mm):
1.00 ±0.13
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
522
Parallelism (arcmin):
<3
Poisson's Ratio:
0.16
Young's Modulus (GPa):
73

Optical Properties

Abbe Number (vd):
67.8
Coating:
Uncoated
Index of Refraction nd:
1.458
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica
Surface Flatness (P-V):
Surface Quality:
40-20
Wavelength Range (nm):
200 - 3500

Material Properties

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

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 240:

Product Family Description

  • Excellent Thermal Stability
  • Low Auto-Fluorescence
  • IR Grade Fused Silica

ISP Optics Fused Silica Windows feature high transmission across the Ultraviolet (UV), Visible (VIS), and Infrared (IR) spectrum with IR Grade substrates extending up to 3500nm with no absorption bands. Fused Silica is a commonly used material for precision optics due to its consistent and repeatable optical performance. In addition, fused silica features a low coefficient of thermal expansion that provides high thermal stability and resistance to thermal shock. ISP Optics Fused Silica Windows provide extremely low fluorescence, making them ideal for a wide range of UV and IR laser applications.

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