LAM3 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) | 1.717004 |
|---|---|
| Abbe Number (Vd) | 47.942632 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.88263 - 0.0106068\,\lambda^2 + 0.0223031\,\lambda^{-2} + 0.000557863\,\lambda^{-4} - 1.14882 \times 10^{-5}\,\lambda^{-6} + 1.85278 \times 10^{-6}\,\lambda^{-8}}$$
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 | |
|---|---|---|---|---|
| N-LAF3 | Schott | 1.717 | 47.96 | |
| LAF3 | Schott | 1.716998 | 47.961124 | |
| LAF30 | Hoya | 1.717 | 47.97772 | |
| LAF3 | Hoya | 1.717 | 47.98 | |
| LAF3 | Sumita | 1.717 | 47.9 | |
| H-LAF2 | CDGM | 1.717 | 47.888609 | |
| D17-48 | Corning | 1.717011 | 47.998493 | |
| K-LaFn11 | Sumita | 1.72013 | 46.0 | |
| LAFN11 | Sumita | 1.72013 | 46.0 | |
| LAFL3 | Hoya | 1.700301 | 47.836538 |
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-LAM3 | Ohara | 1.717004 | 47.927969 | |
| LAM61 | Ohara | 1.720002 | 46.035166 | |
| S-LAM61 | Ohara | 1.720002 | 46.024571 | |
| LAM51 | Ohara | 1.699998 | 48.078869 | |
| S-LAM51 | Ohara | 1.699998 | 48.080479 | |
| S-LAL10 | Ohara | 1.719995 | 50.230564 | |
| LAL10 | Ohara | 1.719995 | 50.254429 | |
| L-LAM72 | Ohara | 1.733099 | 48.896607 | |
| S-LAM59 | Ohara | 1.697002 | 48.516066 | |
| LAM59 | Ohara | 1.697002 | 48.535864 |