LIYF4-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) | 1.476472 |
|---|---|
| Abbe Number (Vd) | 88.935059 |
| Dispersion Formula | Sellmeier 4 |
| Wavelength Range | 0.23 — 2.6 µm |
$$n(\lambda) = \sqrt{1.31021 + \frac{0.84903\,\lambda^2}{\lambda^2 - 0.00876} + \frac{0.53607\,\lambda^2}{\lambda^2 - 134.957}}$$
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 | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| K-PFK90 | Sumita | 1.4588 | 90.0 | |
| FCD10A | Hoya | 1.4586 | 90.19 | |
| K-PFK90(M) | Sumita | 1.45733 | 89.8 | |
| FCD10 | Hoya | 1.4565 | 90.27 | |
| H-FK71 | CDGM | 1.4565 | 90.273821 | |
| S-FPL52 | Ohara | 1.455999 | 90.288026 | |
| FPL52 | Ohara | 1.455999 | 90.31888 | |
| H-FK71A | CDGM | 1.456498 | 90.470884 | |
| N-FK58 | Schott | 1.456 | 90.9 | |
| FCD915 | Hoya | 1.48071 | 85.29 |
Similar Glasses (Generic Birefringent)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| LIYF4 | Generic Birefringent | 1.453776 | 93.549426 | |
| CALCITE-E | Generic Birefringent | 1.486494 | 79.064587 | |
| LAF3-E | Generic Birefringent | 1.596715 | 81.256833 | |
| LAF3 | Generic Birefringent | 1.604046 | 80.83154 | |
| MGF2-E | Generic Birefringent | 1.389557 | 104.857428 | |
| KDP-E | Generic Birefringent | 1.468324 | 68.984949 | |
| QUARTZ | Generic Birefringent | 1.544296 | 70.132045 | |
| MGF2 | Generic Birefringent | 1.377744 | 106.217612 | |
| QUARTZ-E | Generic Birefringent | 1.553398 | 68.797763 | |
| ADP-E | Generic Birefringent | 1.478797 | 61.616939 |