CALCITE by Generic Birefringent
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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) | 1.658643 |
|---|---|
| Abbe Number (Vd) | 48.541403 |
| Dispersion Formula | Sellmeier 3 |
| Wavelength Range | 0.2 — 2.2 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.8559\,\lambda^2}{\lambda^2 - 0.00345744} + \frac{0.8391\,\lambda^2}{\lambda^2 - 0.019881} + \frac{0.0009\,\lambda^2}{\lambda^2 - 0.038809} + \frac{0.6845\,\lambda^2}{\lambda^2 - 49.07}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.05 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
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 | |
|---|---|---|---|---|
| CALCITE | Generic IR | 1.658643 | 48.541403 | |
| BAF21 | Hoya | 1.66422 | 48.941939 | |
| K-BaFn3 | Sumita | 1.66422 | 49.2 | |
| BAFN3 | Sumita | 1.66422 | 49.2 | |
| C67-48 | Corning | 1.666698 | 48.434395 | |
| H-ZBAF16 | CDGM | 1.66672 | 48.421731 | |
| BAFN11 | Schott | 1.666721 | 48.421391 | |
| BAF11 | Sumita | 1.66672 | 48.4 | |
| S-BAH11 | Ohara | 1.666718 | 48.325247 | |
| BAH11 | Ohara | 1.666718 | 48.317266 |
Similar Glasses (Generic Birefringent)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| BBO | Generic Birefringent | 1.670737 | 52.593907 | |
| ADP | Generic Birefringent | 1.523454 | 52.25678 | |
| BBO-E | Generic Birefringent | 1.552518 | 61.321496 | |
| KDP | Generic Birefringent | 1.509182 | 56.224997 | |
| QUARTZ-E | Generic Birefringent | 1.553398 | 68.797763 | |
| QUARTZ | Generic Birefringent | 1.544296 | 70.132045 | |
| ADP-E | Generic Birefringent | 1.478797 | 61.616939 | |
| AL2O3 | Generic Birefringent | 1.768172 | 72.308589 | |
| AL2O3-E | Generic Birefringent | 1.760096 | 72.988091 | |
| BEO-E | Generic Birefringent | 1.734106 | 79.335058 |