ZF3 by CDGM
Obsolete
Rare
Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Optical Properties
| Refractive Index (nd) | 1.717365 |
|---|---|
| Abbe Number (Vd) | 29.510385 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.365 — 1.014 µm |
$$n(\lambda) = \sqrt{2.84759 - 0.0105088\,\lambda^2 + 0.0309451\,\lambda^{-2} + 0.00213696\,\lambda^{-4} - 0.00013104\,\lambda^{-6} + 1.42429 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 8.3 |
|---|---|
| TCE 100/300°C (10-6/K) | 9.5 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.61 \times 10^{-6} + 2(2.44 \times 10^{-8})\,\Delta T + 3(-3.11 \times 10^{-10})\,\Delta T^2 + \frac{1.38 \times 10^{-6} + 2(1.2 \times 10^{-9})\,\Delta T}{\lambda - 0.261}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 4.46 |
|---|---|
| Relative Cost | 2.2 |
Mechanical Properties
| Young's Modulus (GPa) | 54.6 |
|---|---|
| Poisson's Ratio | 0.235 |
| Knoop Hardness (kgf/mm²) | 390.0 |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
Similar Glasses (CDGM)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-ZF3 | CDGM | 1.71736 | 29.49911 | |
| ZF4 | CDGM | 1.728251 | 28.3239 | |
| H-ZF4A | CDGM | 1.72825 | 28.318797 | |
| H-ZF4AGT | CDGM | 1.72825 | 28.318797 | |
| H-ZF11 | CDGM | 1.69894 | 30.05045 | |
| ZF11 | CDGM | 1.698949 | 30.065686 | |
| H-ZF5 | CDGM | 1.74 | 28.295649 | |
| ZF5 | CDGM | 1.739999 | 28.245048 | |
| ZF50 | CDGM | 1.74077 | 27.76788 | |
| H-ZF50 | CDGM | 1.74077 | 27.760063 |