LAL14 by Ohara
Obsolete
Unknown
Environmentally Friendly
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) | 1.696796 |
|---|---|
| Abbe Number (Vd) | 55.528037 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.82747 - 0.0145685\,\lambda^2 + 0.0185255\,\lambda^{-2} + 0.000374858\,\lambda^{-4} - 7.12917 \times 10^{-6}\,\lambda^{-6} + 6.77819 \times 10^{-7}\,\lambda^{-8}}$$
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 | |
|---|---|---|---|---|
| H-LAK51A | CDGM | 1.6968 | 55.526357 | |
| LAC14 | Hoya | 1.6968 | 55.46 | |
| M-LAC14 | Hoya | 1.6968 | 55.46 | |
| K-LaK14 | Sumita | 1.6968 | 55.6 | |
| LAK14 | Sumita | 1.6968 | 55.6 | |
| MP-LAC14-80 | Hoya | 1.6976 | 55.51 | |
| LAKN14 | Schott | 1.6968 | 55.410215 | |
| N-LAK14 | Schott | 1.6968 | 55.41 | |
| C97-55 | Corning | 1.697005 | 55.409848 | |
| LAC15 | Hoya | 1.6968 | 56.114704 |
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-LAL14 | Ohara | 1.696797 | 55.532241 | |
| LAL9 | Ohara | 1.691002 | 54.84322 | |
| S-LAL9 | Ohara | 1.691002 | 54.822578 | |
| LAL13 | Ohara | 1.693501 | 53.231566 | |
| S-LAL13 | Ohara | 1.693501 | 53.205327 | |
| L-LAL13 | Ohara | 1.6935 | 53.185799 | |
| S-LAL12Q | Ohara | 1.6779 | 55.346888 | |
| S-LAL12 | Ohara | 1.6779 | 55.341195 | |
| LAL12 | Ohara | 1.6779 | 55.337587 | |
| L-LAL12 | Ohara | 1.6779 | 54.88744 |