LACL6 by Hoya
Obsolete
Unknown
Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
No transmission data available.
Optical Properties
| Refractive Index (nd) | 1.640003 |
|---|---|
| Abbe Number (Vd) | 60.153568 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.64796 - 0.0126026\,\lambda^2 + 0.0146699\,\lambda^{-2} + 0.000530007\,\lambda^{-4} - 4.64134 \times 10^{-5}\,\lambda^{-6} + 2.67851 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | — |
|---|---|
| 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 | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-LAK4L | CDGM | 1.64 | 60.202769 | |
| BSM81 | Ohara | 1.639999 | 60.091709 | |
| C41-60 | Corning | 1.640495 | 60.130957 | |
| S-BSM81 | Ohara | 1.639999 | 60.078127 | |
| LAK21 | Schott | 1.640495 | 60.101885 | |
| N-LAK21 | Schott | 1.64049 | 60.1 | |
| LAKN2 | Sumita | 1.6405 | 60.1 | |
| K-LaKn2 | Sumita | 1.6405 | 60.1 | |
| LAKL21 | Schott | 1.64048 | 59.749915 | |
| BSM36 | Ohara | 1.642495 | 58.369399 |