C67-48 by Corning
Standard
Unknown
Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Optical Properties
| Refractive Index (nd) | 1.666698 |
|---|---|
| Abbe Number (Vd) | 48.434395 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.33 — 1.8 µm |
$$n(\lambda) = \sqrt{2.7173 - 0.00778079\,\lambda^2 + 0.021028\,\lambda^{-2} + 0.000193229\,\lambda^{-4} + 3.18705 \times 10^{-5}\,\lambda^{-6} - 4.85244 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 7.0 |
|---|---|
| TCE 100/300°C (10-6/K) | 8.2 |
| 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) | 4.03 |
|---|---|
| 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 | |
|---|---|---|---|---|
| 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 | |
| BAF11 | Hoya | 1.66672 | 48.3 | |
| BAF21 | Hoya | 1.66422 | 48.941939 | |
| K-BaFn3 | Sumita | 1.66422 | 49.2 | |
| BAFN3 | Sumita | 1.66422 | 49.2 | |
| CALCITE | Generic Birefringent | 1.658643 | 48.541403 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| C70-47 | Corning | 1.670005 | 47.112037 | |
| C58-51 | Corning | 1.658503 | 51.012014 | |
| C90-50 | Corning | 1.689009 | 49.625392 | |
| C48-46 | Corning | 1.647747 | 46.227993 | |
| C24-47 | Corning | 1.624 | 46.940278 | |
| D17-48 | Corning | 1.717011 | 47.998493 | |
| C90-55 | Corning | 1.691008 | 54.793839 | |
| C38-42 | Corning | 1.637752 | 42.433862 | |
| C78-56 | Corning | 1.678004 | 55.519168 | |
| D20-50 | Corning | 1.720003 | 50.312121 |