ALN-E by Generic Birefringent
Standard
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) | 2.200116 |
|---|---|
| Abbe Number (Vd) | 44.15554 |
| Dispersion Formula | Sellmeier 4 |
| Wavelength Range | 0.22 — 5.0 µm |
$$n(\lambda) = \sqrt{3.0729 + \frac{1.6173\,\lambda^2}{\lambda^2 - 0.030485} + \frac{4.139\,\lambda^2}{\lambda^2 - 225.901}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
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 | — |
Notes
source: Handbook of Optics Vol. II
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| ALN | Generic IR | 2.154291 | 50.733102 | |
| TAFD75-W | Hoya | 2.102 | 23.39 | |
| H-ZLAF96 | CDGM | 2.0509 | 26.985858 | |
| TAFD65 | Hoya | 2.0509 | 26.94 | |
| K-PSFn214P | Sumita | 2.144 | 17.8 | |
| K-PSFn214 | Sumita | 2.14355 | 17.8 | |
| K-PSFn215 | Sumita | 2.154 | 17.2 | |
| K-PSFn214P(M) | Sumita | 2.13919 | 17.7 | |
| K-PSFn214(M) | Sumita | 2.13909 | 17.7 | |
| K-PSFn173 | Sumita | 2.1478 | 17.3 |
Similar Glasses (Generic Birefringent)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| ALN | Generic Birefringent | 2.154291 | 50.733102 | |
| LINBO3-E | Generic Birefringent | 2.214539 | 20.455966 | |
| LINBO3 | Generic Birefringent | 2.300158 | 18.711921 | |
| TEO2 | Generic Birefringent | 2.274935 | 16.22277 | |
| PBMOO4-E | Generic Birefringent | 2.277375 | 15.77258 | |
| CAMOO4-E | Generic Birefringent | 2.002336 | 26.628162 | |
| CAMOO4 | Generic Birefringent | 1.992539 | 28.832428 | |
| CAWO4-E | Generic Birefringent | 1.937211 | 33.304949 | |
| BATIO3-E | Generic Birefringent | 2.380271 | 13.963107 | |
| CAWO4 | Generic Birefringent | 1.920414 | 34.953592 |