LAF3 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) | 1.604046 |
|---|---|
| Abbe Number (Vd) | 80.83154 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.35 — 0.7 µm |
$$n(\lambda) = \sqrt{1 + \frac{1.5376\,\lambda^2}{\lambda^2 - 0.00776161} + \frac{0\,\lambda^2}{\lambda^2 - 0} + \frac{0\,\lambda^2}{\lambda^2 - 0}}$$
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 | |
|---|---|---|---|---|
| FCD615 | Hoya | 1.57144 | 71.61 | |
| FCD515 | Hoya | 1.59282 | 68.62 | |
| FCD505 | Hoya | 1.59282 | 68.62 | |
| N-PSK57 | Schott | 1.5924 | 68.398667 | |
| D-ZPK5 | CDGM | 1.5928 | 68.342024 | |
| H-ZPK5 | CDGM | 1.5928 | 68.342024 | |
| K-GFK68 | Sumita | 1.5924 | 68.3 | |
| GFK68 | Sumita | 1.5924 | 68.3 | |
| D-ZPK5-25 | CDGM | 1.59216 | 68.281511 | |
| K-GFK68(M) | Sumita | 1.58998 | 68.3 |
Similar Glasses (Generic Birefringent)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| LAF3-E | Generic Birefringent | 1.596715 | 81.256833 | |
| QUARTZ | Generic Birefringent | 1.544296 | 70.132045 | |
| QUARTZ-E | Generic Birefringent | 1.553398 | 68.797763 | |
| CALCITE-E | Generic Birefringent | 1.486494 | 79.064587 | |
| BEO-E | Generic Birefringent | 1.734106 | 79.335058 | |
| LIYF4-E | Generic Birefringent | 1.476472 | 88.935059 | |
| BEO | Generic Birefringent | 1.718619 | 93.251706 | |
| BBO-E | Generic Birefringent | 1.552518 | 61.321496 | |
| KDP-E | Generic Birefringent | 1.468324 | 68.984949 | |
| AL2O3-E | Generic Birefringent | 1.760096 | 72.988091 |