SPINEL by Generic IR

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Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.35–5.5 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.35–5.5 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Optical Properties
Refractive Index (nd) 1.716226
Abbe Number (Vd) 60.607355
Dispersion Formula Sellmeier
Wavelength Range 0.35 — 5.5 µm
$$n(\lambda) = \sqrt{1 + \frac{1.8938\,\lambda^2}{\lambda^2 - 0.00989434} + \frac{3.0755\,\lambda^2}{\lambda^2 - 250.462} + \frac{0\,\lambda^2}{\lambda^2 - 0}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.97
TCE 100/300°C (10-6/K) —
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.33176 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.577
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 —
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
K-LaFK58 Sumita 1.6956 59.0
K-LaFK58(M) Sumita 1.69097 58.4
LAK31 Schott 1.696732 56.420174
C97-56 Corning 1.697 56.222926
H-LAK12 CDGM 1.6968 56.175305
LAC15 Hoya 1.6968 56.114704
LAFK55 Sumita 1.694 56.3
K-LaFK55 Sumita 1.694 56.3
K-LaK14 Sumita 1.6968 55.6
LAK14 Sumita 1.6968 55.6
Similar Glasses (Generic IR)
Glass Manufacturer nd Vd
MGO Generic IR 1.737505 53.505455
ALON Generic IR 1.788917 58.204971
SAPPHIRE Generic IR 1.768234 72.237215
CALCITE Generic IR 1.658643 48.541403
IRG11 Generic IR 1.680932 44.434326
IRGN6 Generic IR 1.589096 56.33564
GEO2 Generic IR 1.608459 41.728763
IRG15 Generic IR 1.534275 55.700357
CSBR Generic IR 1.69706 34.108015
IRG7 Generic IR 1.564424 43.736647
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