MGO by Generic IR

Standard Unknown Environmentally Friendly

MGO by Generic IR is a standard optical glass. It transmits from 0.36 to 5.40 µm with an nd of 1.737505 and a Vd of 53.505455. It has medium thermal expansion (CTE of 10.6×10⁻⁶/K).

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.36–5.4 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.36–5.4 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Transmission Calculator
Valid wavelength range: 0.360–5.400 µm
Optical Properties
Refractive Index (nd) 1.737505
Abbe Number (Vd) 53.505455
Dispersion Formula Sellmeier
Wavelength Range 0.36 — 5.4 µm
$$n(\lambda) = \sqrt{1 + \frac{1.11103\,\lambda^2}{\lambda^2 - 0.00507606} + \frac{0.846009\,\lambda^2}{\lambda^2 - 0.0189119} + \frac{7.80853\,\lambda^2}{\lambda^2 - 723.235}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 10.6
TCE 100/300°C (10-6/K) —
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.583
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: Handbook of Optics Vol. II

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Similar Glasses (Generic IR)
Glass Manufacturer nd Vd Compare
SPINEL Generic IR 1.716226 60.607355
ALON Generic IR 1.788917 58.204971
CALCITE Generic IR 1.658643 48.541403
IRG11 Generic IR 1.680932 44.434326
SAPPHIRE Generic IR 1.768234 72.237215
CSBR Generic IR 1.69706 34.108015
IRGN6 Generic IR 1.589096 56.33564
GEO2 Generic IR 1.608459 41.728763
PBF2 Generic IR 1.766591 28.390315
IRG7 Generic IR 1.564424 43.736647
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