LACL4 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) | 1.669603 |
|---|---|
| Abbe Number (Vd) | 51.65903 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.72528 - 0.00695893\,\lambda^2 + 0.0238232\,\lambda^{-2} - 0.000890411\,\lambda^{-4} + 0.000145573\,\lambda^{-6} - 5.35643 \times 10^{-6}\,\lambda^{-8}}$$
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 | |
|---|---|---|---|---|
| LAKN7 | Sumita | 1.67 | 51.7 | |
| K-LaKn7 | Sumita | 1.67 | 51.7 | |
| H-LAK67 | CDGM | 1.67 | 51.738482 | |
| BBO | Generic Birefringent | 1.670737 | 52.593907 | |
| LAL56 | Ohara | 1.677898 | 50.723364 | |
| S-LAL56 | Ohara | 1.677898 | 50.722184 | |
| LAKN8 | Sumita | 1.678 | 50.7 | |
| C58-51 | Corning | 1.658503 | 51.012014 | |
| SSKN5 | Schott | 1.65844 | 50.882921 | |
| N-SSK5 | Schott | 1.65844 | 50.88 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| LACL9 | Hoya | 1.6779 | 50.551353 | |
| BACED5 | Hoya | 1.65844 | 50.86 | |
| LACL3 | Hoya | 1.664798 | 53.401295 | |
| LACL8 | Hoya | 1.677896 | 53.419218 | |
| BAF21 | Hoya | 1.66422 | 48.941939 | |
| E-BACED20 | Hoya | 1.6485 | 53.03 | |
| BACED20 | Hoya | 1.648498 | 53.03151 | |
| LAFL1 | Hoya | 1.686004 | 49.347081 | |
| LACL5 | Hoya | 1.693503 | 50.787122 | |
| BAF11 | Hoya | 1.66672 | 48.3 |