H-ZLAF69A by CDGM
Preferred
Common
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) | 46.556066 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.365 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{1.3927\,\lambda^2}{\lambda^2 - 0.00593335} + \frac{0.823697\,\lambda^2}{\lambda^2 - 0.0240981} + \frac{1.29547\,\lambda^2}{\lambda^2 - 95.3763}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.4 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.8 |
| Thermal Conductivity (W/mK) | 0.654 |
| Heat Capacity (J/gK) | 0.396 |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.27 \times 10^{-6} + 2(1.3 \times 10^{-8})\,\Delta T + 3(-2.95 \times 10^{-11})\,\Delta T^2 + \frac{6.42 \times 10^{-7} + 2(8.08 \times 10^{-10})\,\Delta T}{\lambda - 0.182}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 5.06 |
|---|---|
| Relative Cost | 19.4 |
Mechanical Properties
| Young's Modulus (GPa) | 125.38 |
|---|---|
| Poisson's Ratio | 0.298 |
| Knoop Hardness (kgf/mm²) | 710.0 |
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-ZLAF69 | CDGM | 1.816 | 46.5493 | |
| 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 |