H-LAF10LA by CDGM
Preferred
Very 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) | 1.788 |
|---|---|
| Abbe Number (Vd) | 47.491731 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.302 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{1.93178\,\lambda^2}{\lambda^2 - 0.00997341} + \frac{0.189897\,\lambda^2}{\lambda^2 - 0.0368891} + \frac{1.09737\,\lambda^2}{\lambda^2 - 77.2777}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.1 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.7 |
| Thermal Conductivity (W/mK) | 0.683 |
| Heat Capacity (J/gK) | 0.459 |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.87 \times 10^{-6} + 2(1.68 \times 10^{-8})\,\Delta T + 3(-3.95 \times 10^{-11})\,\Delta T^2 + \frac{5.95 \times 10^{-7} + 2(4.28 \times 10^{-10})\,\Delta T}{\lambda - 0.194}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 4.3 |
|---|---|
| Relative Cost | 4.5 |
Mechanical Properties
| Young's Modulus (GPa) | 123.98 |
|---|---|
| Poisson's Ratio | 0.295 |
| Knoop Hardness (kgf/mm²) | 652.0 |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| TAF4 | Hoya | 1.788 | 47.49 | |
| N-LAF21 | Schott | 1.788 | 47.49 | |
| LAFN21 | Schott | 1.788309 | 47.470398 | |
| D88-47 | Corning | 1.788001 | 47.412327 | |
| K-LaSFn16 | Sumita | 1.7883 | 47.4 | |
| LASFN16 | Sumita | 1.7883 | 47.4 | |
| LAH64 | Ohara | 1.788001 | 47.385275 | |
| S-LAH64 | Ohara | 1.788001 | 47.368522 | |
| TAF48 | Hoya | 1.79091 | 48.09 | |
| MP-TAF401 | Hoya | 1.77377 | 47.17 |
Similar Glasses (CDGM)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-ZLAF2A | CDGM | 1.80279 | 46.761307 | |
| H-ZLAF50D | CDGM | 1.804 | 46.575016 | |
| H-ZLAF50E | CDGM | 1.804 | 46.574487 | |
| D-ZLAF50-25 | CDGM | 1.80225 | 45.452746 | |
| D-LAF50 | CDGM | 1.774 | 49.590362 | |
| D-LAF50-25 | CDGM | 1.77288 | 49.519338 | |
| D-ZLAF50 | CDGM | 1.80337 | 45.491557 | |
| H-LAF50B | CDGM | 1.7725 | 49.598996 | |
| D-LAF050 | CDGM | 1.76842 | 49.28216 | |
| D-LAF050-25 | CDGM | 1.76709 | 49.197491 |