LAC11 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) | 1.658296 |
|---|---|
| Abbe Number (Vd) | 57.262085 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.70207 - 0.0116999\,\lambda^2 + 0.0172658\,\lambda^{-2} + 0.000221678\,\lambda^{-4} + 3.3572 \times 10^{-7}\,\lambda^{-6} + 4.77303 \times 10^{-7}\,\lambda^{-8}}$$
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 | |
|---|---|---|---|---|
| LAK11 | Schott | 1.658302 | 57.261599 | |
| K-LaK11 | Sumita | 1.6583 | 57.3 | |
| LAK11 | Sumita | 1.6583 | 57.3 | |
| S-LAL11 | Ohara | 1.658296 | 57.332589 | |
| LAL11 | Ohara | 1.658296 | 57.332589 | |
| C57-57 | Corning | 1.657503 | 57.198059 | |
| H-LAK1 | CDGM | 1.6595 | 57.34726 | |
| LAK7 | Sumita | 1.6516 | 58.3 | |
| K-LaK7 | Sumita | 1.6516 | 58.3 | |
| S-LAL54Q | Ohara | 1.651 | 56.238379 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| LAC7 | Hoya | 1.6516 | 58.4 | |
| LACL7 | Hoya | 1.669996 | 57.308358 | |
| LACL2 | Hoya | 1.650201 | 55.737216 | |
| LAC6 | Hoya | 1.642498 | 57.959359 | |
| LACL1 | Hoya | 1.640851 | 56.835319 | |
| LAC12 | Hoya | 1.6779 | 55.52 | |
| BACD18 | Hoya | 1.63854 | 55.45 | |
| MP-PCD55AR | Hoya | 1.63858 | 55.18 | |
| M-PCD55AR | Hoya | 1.63858 | 55.18 | |
| LACL6 | Hoya | 1.640003 | 60.153568 |