CALCITE-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) | 1.486494 |
|---|---|
| Abbe Number (Vd) | 79.064587 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.2 — 3.3 µm |
$$n(\lambda) = \sqrt{1 + \frac{1.0856\,\lambda^2}{\lambda^2 - 0.00623626} + \frac{0.0988\,\lambda^2}{\lambda^2 - 0.020164} + \frac{0.317\,\lambda^2}{\lambda^2 - 131.515}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2.59 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.711 |
|---|---|
| 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 | |
|---|---|---|---|---|
| K-PFK80(M) | Sumita | 1.49533 | 80.8 | |
| IRG9 | Generic IR | 1.486056 | 81.251965 | |
| S-FPL51Y | Ohara | 1.497003 | 81.138165 | |
| FK52 | Schott | 1.486052 | 81.802215 | |
| A86-82 | Corning | 1.486052 | 81.814538 | |
| D-FK61-25 | CDGM | 1.49653 | 81.531772 | |
| K-PFK80 | Sumita | 1.497 | 81.5 | |
| PFK80 | Sumita | 1.497 | 81.5 | |
| MC-FCD1-M20 | Hoya | 1.4969 | 81.51 | |
| MP-FCD1-M20 | Hoya | 1.4969 | 81.51 |
Similar Glasses (Generic Birefringent)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| LIYF4-E | Generic Birefringent | 1.476472 | 88.935059 | |
| KDP-E | Generic Birefringent | 1.468324 | 68.984949 | |
| QUARTZ | Generic Birefringent | 1.544296 | 70.132045 | |
| QUARTZ-E | Generic Birefringent | 1.553398 | 68.797763 | |
| LAF3-E | Generic Birefringent | 1.596715 | 81.256833 | |
| LIYF4 | Generic Birefringent | 1.453776 | 93.549426 | |
| LAF3 | Generic Birefringent | 1.604046 | 80.83154 | |
| ADP-E | Generic Birefringent | 1.478797 | 61.616939 | |
| BBO-E | Generic Birefringent | 1.552518 | 61.321496 | |
| KDP | Generic Birefringent | 1.509182 | 56.224997 |