H-ZLAF69 by CDGM
Preferred
Rare
Environmentally Friendly
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) | 1.816 |
|---|---|
| Abbe Number (Vd) | 46.5493 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.302 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.659415\,\lambda^2}{\lambda^2 - 0.025606} + \frac{1.55676\,\lambda^2}{\lambda^2 - 0.0072777} + \frac{1.25418\,\lambda^2}{\lambda^2 - 93.1177}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.4 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.8 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.12 \times 10^{-6} + 2(1.52 \times 10^{-8})\,\Delta T + 3(-3.71 \times 10^{-11})\,\Delta T^2 + \frac{6.39 \times 10^{-7} + 2(4.9 \times 10^{-10})\,\Delta T}{\lambda - 0.192}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 5.01 |
|---|---|
| Relative Cost | 21.7 |
Mechanical Properties
| Young's Modulus (GPa) | 124.69 |
|---|---|
| Poisson's Ratio | 0.298 |
| Knoop Hardness (kgf/mm²) | 721.0 |
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-ZLAF69A | CDGM | 1.816 | 46.556066 | |
| H-ZLAF50E | CDGM | 1.804 | 46.574487 | |
| H-ZLAF50D | CDGM | 1.804 | 46.575016 | |
| H-ZLAF2A | CDGM | 1.80279 | 46.761307 | |
| D-ZLAF50 | CDGM | 1.80337 | 45.491557 | |
| D-ZLAF50-25 | CDGM | 1.80225 | 45.452746 | |
| H-ZLAF1 | CDGM | 1.80166 | 44.263459 | |
| H-LAF10LA | CDGM | 1.788 | 47.491731 | |
| D-ZLAF61 | CDGM | 1.82241 | 42.714541 | |
| D-ZLAF61-25 | CDGM | 1.82131 | 42.674895 |