products : optics : windows diffusers : ultraviolet uv infrared ir windows : BOROFLOAT™ Borosilicate Windows
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Diameter (mm) | 15.00 |
Thickness (mm) | 1.75 |
Index of Refraction nd | 1.472 |
Design Wavelength DWL (nm) | 350 - 2000 |
Abbe Number (vd) | 65.65 |
Coating | Uncoated |
Transmission (%) | 90 |
Surface Accuracy (λ) | 4 - 6 per inch |
Coefficient of Thermal Expansion CTE (10-6/°C) | 3.25 |
Operating Temperature (°C) | 1 hour @ 500; >100 hours @ 450 |
Resistance to Temperature Difference (K) | 1 hour @ 110; 1-100 hours @ 90; >100 hours @ 80 |
Thermal Shock (K) | 175 |
Surface Quality | 80-50 |
Diameter Tolerance (mm) | ± 0.5 |
Thickness Tolerance (mm) | ± 0.2 |
Transformation Temperature (°C) | 530 |
Modulus of Elasticity (kN/mm2) | 63 |
Density (g/cm3) | 2.2 |
Poisson's Ratio | 0.2 |
Stress-Optical Coefficient (mm2/N) | 4 x 10-6 |
RoHS | Compliant |