C48-46 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) | 1.647747 |
|---|---|
| Abbe Number (Vd) | 46.227993 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.32 — 1.8 µm |
$$n(\lambda) = \sqrt{2.65716 - 0.0111327\,\lambda^2 + 0.0201591\,\lambda^{-2} + 0.000342337\,\lambda^{-4} + 1.91406 \times 10^{-5}\,\lambda^{-6} + 3.44273 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.0 |
|---|---|
| TCE 100/300°C (10-6/K) | 6.8 |
| 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) | 3.65 |
|---|---|
| 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 | |
|---|---|---|---|---|
| N-BAF51 | Schott | 1.65224 | 44.96 | |
| BAF51 | Schott | 1.652242 | 44.930457 | |
| BAF23 | Hoya | 1.652238 | 44.922169 | |
| BAF12 | Hoya | 1.639302 | 45.070071 | |
| BAF12 | Sumita | 1.6393 | 45.0 | |
| K-BaF9 | Sumita | 1.64328 | 47.8 | |
| BAF9 | Sumita | 1.64328 | 47.8 | |
| ATF4 | Hoya | 1.653757 | 44.723072 | |
| BAM9 | Ohara | 1.643279 | 47.850606 | |
| BAM12 | Ohara | 1.6393 | 44.878032 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| C70-47 | Corning | 1.670005 | 47.112037 | |
| C24-47 | Corning | 1.624 | 46.940278 | |
| C67-48 | Corning | 1.666698 | 48.434395 | |
| C38-42 | Corning | 1.637752 | 42.433862 | |
| C16-44 | Corning | 1.616002 | 44.416477 | |
| C58-51 | Corning | 1.658503 | 51.012014 | |
| C13-44 | Corning | 1.613394 | 44.386543 | |
| C06-44 | Corning | 1.605608 | 43.942859 | |
| C55-40 | Corning | 1.6555 | 40.115717 | |
| C90-50 | Corning | 1.689009 | 49.625392 |