LAH53 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) | 1.806098 |
|---|---|
| Abbe Number (Vd) | 40.948508 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{3.17359 - 0.0148652\,\lambda^2 + 0.0295402\,\lambda^{-2} + 0.000983666\,\lambda^{-4} - 2.29791 \times 10^{-5}\,\lambda^{-6} + 3.8044 \times 10^{-6}\,\lambda^{-8}}$$
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-ZLAF52 | CDGM | 1.806099 | 40.945389 | |
| P-LASF47 | Schott | 1.8061 | 40.9 | |
| K-VC89(M) | Sumita | 1.8059 | 40.9 | |
| H-ZLAF52A | CDGM | 1.8061 | 41.016887 | |
| K-VC181(M) | Sumita | 1.80614 | 41.1 | |
| D-ZLAF81-25 | CDGM | 1.80757 | 40.97334 | |
| M-NBFD13 | Hoya | 1.8061 | 40.740652 | |
| NBFD13 | Hoya | 1.8061 | 40.73 | |
| MC-NBFD130L | Hoya | 1.8061 | 40.73 | |
| M-NBFD130 | Hoya | 1.8061 | 40.73 |
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-LAH53V | Ohara | 1.806099 | 40.929791 | |
| S-LAH53 | Ohara | 1.806098 | 40.925996 | |
| L-LAH53 | Ohara | 1.806249 | 40.907302 | |
| L-LAH84 | Ohara | 1.80835 | 40.548503 | |
| L-LAH81 | Ohara | 1.8061 | 40.400738 | |
| L-LAH84P | Ohara | 1.81225 | 40.294279 | |
| S-LAH63 | Ohara | 1.804398 | 39.58615 | |
| LAH63 | Ohara | 1.804398 | 39.581254 | |
| S-LAH63Q | Ohara | 1.8044 | 39.580489 | |
| S-LAH52 | Ohara | 1.799516 | 42.225007 |