LAH65 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) | 1.804 |
|---|---|
| Abbe Number (Vd) | 46.575911 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{3.1767 - 0.01535\,\lambda^2 + 0.0266907\,\lambda^{-2} + 0.000707841\,\lambda^{-4} - 1.54851 \times 10^{-5}\,\lambda^{-6} + 1.95307 \times 10^{-6}\,\lambda^{-8}}$$
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 | |
|---|---|---|---|---|
| H-ZLAF50D | CDGM | 1.804 | 46.575016 | |
| H-ZLAF50E | CDGM | 1.804 | 46.574487 | |
| K-LaSFn6 | Sumita | 1.804 | 46.6 | |
| N-LASF44 | Schott | 1.8042 | 46.5 | |
| TAF3D | Hoya | 1.8042 | 46.5 | |
| TAF3 | Hoya | 1.8042 | 46.5 | |
| E03-47 | Corning | 1.803002 | 46.408629 | |
| LASFN30 | Schott | 1.803181 | 46.379894 | |
| H-ZLAF2A | CDGM | 1.80279 | 46.761307 | |
| LASFN6 | Sumita | 1.80235 | 46.7 |
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-LAH65 | Ohara | 1.804 | 46.570373 | |
| S-LAH65V | Ohara | 1.803999 | 46.583432 | |
| S-LAH65VS | Ohara | 1.804 | 46.527532 | |
| S-LAH59 | Ohara | 1.816 | 46.620561 | |
| LAH59 | Ohara | 1.816 | 46.626446 | |
| S-LAH67 | Ohara | 1.794997 | 45.293967 | |
| LAH67 | Ohara | 1.794997 | 45.293967 | |
| S-LAH64 | Ohara | 1.788001 | 47.368522 | |
| LAH64 | Ohara | 1.788001 | 47.385275 | |
| LAH54 | Ohara | 1.815543 | 44.361146 |