IRGN6 by Generic IR

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Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.4047–4.258 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.4047–4.258 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Optical Properties
Refractive Index (nd) 1.589096
Abbe Number (Vd) 56.33564
Dispersion Formula Herzberger
Wavelength Range 0.4047 — 4.258 µm
$$L = \frac{1}{\lambda^2 - 0.028} n(\lambda) = 1.57575 + 0.00468056\,L - 5.25502 \times 10^{-5}\,L^2 - 0.00254948\,\lambda^2 - 2.84832 \times 10^{-5}\,\lambda^4 + 8.10937 \times 10^{-8}\,\lambda^6$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.3
TCE 100/300°C (10-6/K)
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 2.81
Relative Cost
Mechanical Properties
Young's Modulus (GPa)
Poisson's Ratio
Knoop Hardness (kgf/mm²)
Chemical Resistance
Climatic Resistance
Stain Resistance
Acid Resistance
Alkali Resistance
Phosphate Resistance
Notes

source: Schott Spec Sheet

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Glass Manufacturer nd Vd
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