SF63 by Schott

Obsolete Unknown Environmentally Dangerous

SF63 by Schott is an obsolete optical glass. It transmits from 0.37 to 0.85 µm with an nd of 1.7484 and a Vd of 27.713565. It has medium thermal expansion (CTE of 8.2×10⁻⁶/K) and dangerous environmental properties.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.334–2.325 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.334–2.325 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.370–0.850 µm
Optical Properties
Refractive Index (nd) 1.7484
Abbe Number (Vd) 27.713565
Dispersion Formula Sellmeier
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{1 + \frac{1.62174\,\lambda^2}{\lambda^2 - 0.0126014} + \frac{0.315966\,\lambda^2}{\lambda^2 - 0.0557276} + \frac{1.03249\,\lambda^2}{\lambda^2 - 116.478}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 8.2
TCE 100/300°C (10-6/K) 9.0
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[4.65 \times 10^{-6} + 2(1.76 \times 10^{-8})\,\Delta T + 3(1.62 \times 10^{-12})\,\Delta T^2 + \frac{1.37 \times 10^{-6} + 2(1.21 \times 10^{-9})\,\Delta T}{\lambda - 0.276}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 4.62
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

old

Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
SFN4 Sumita 1.7506 27.8
FD41 Hoya 1.750839 27.686615
D56-27 Corning 1.755203 27.591377
ZF6 CDGM 1.755205 27.546239
FD4 Hoya 1.755199 27.530242
H-ZF6 CDGM 1.7552 27.530047
E-FD4L Hoya 1.7552 27.53
E-FD4 Hoya 1.7552 27.53
PBH4 Ohara 1.755199 27.512146
PBH4W Ohara 1.755199 27.512146
Similar Glasses (Schott)
Glass Manufacturer nd Vd Compare
SF4 Schott 1.7552 27.58
N-SF4 Schott 1.75513 27.38
SF13 Schott 1.740771 27.59998
SFL4 Schott 1.7552 27.206054
SF54 Schott 1.7408 28.090813
SF3 Schott 1.74 28.2
SF55 Schott 1.7618 26.950177
N-SF14 Schott 1.76182 26.53
SF14 Schott 1.76182 26.53
SF10 Schott 1.72825 28.41
Compare Glasses
    Compare Selected