LAM66 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) | 1.800999 |
|---|---|
| Abbe Number (Vd) | 34.965762 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{3.14371 - 0.01562\,\lambda^2 + 0.0318938\,\lambda^{-2} + 0.00171961\,\lambda^{-4} - 9.69951 \times 10^{-5}\,\lambda^{-6} + 1.16809 \times 10^{-5}\,\lambda^{-8}}$$
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-ZLAF66GT | CDGM | 1.801 | 34.966919 | |
| H-ZLAF66 | CDGM | 1.801 | 34.966919 | |
| N-LASF45 | Schott | 1.80107 | 34.97 | |
| N-LASF45HT | Schott | 1.80107 | 34.97 | |
| LASF36A | Schott | 1.797117 | 35.080117 | |
| LASF33 | Schott | 1.805958 | 34.242133 | |
| NBFD8 | Hoya | 1.807401 | 35.542096 | |
| NBFD15-W | Hoya | 1.8061 | 33.27 | |
| NBFD15 | Hoya | 1.8061 | 33.27 | |
| H-ZLAF56B | CDGM | 1.8061 | 33.268324 |
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-LAM66 | Ohara | 1.800999 | 34.967403 | |
| S-LAM73 | Ohara | 1.7936 | 37.08945 | |
| S-LAH63Q | Ohara | 1.8044 | 39.580489 | |
| LAH63 | Ohara | 1.804398 | 39.581254 | |
| S-LAH63 | Ohara | 1.804398 | 39.58615 | |
| S-NBH59 | Ohara | 1.766342 | 35.82343 | |
| S-LAH60 | Ohara | 1.834 | 37.160487 | |
| LAH60 | Ohara | 1.834 | 37.166863 | |
| S-LAH60MQ | Ohara | 1.833999 | 37.172099 | |
| S-LAH60V | Ohara | 1.833999 | 37.206855 |