C70-47 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) | 1.670005 |
|---|---|
| Abbe Number (Vd) | 47.112037 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.32 — 1.8 µm |
$$n(\lambda) = \sqrt{2.72777 - 0.00948969\,\lambda^2 + 0.0210756\,\lambda^{-2} + 0.000358988\,\lambda^{-4} + 1.35646 \times 10^{-5}\,\lambda^{-6} + 4.80291 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.4 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.4 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.2 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.62 |
|---|---|
| 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-BAF10 | Schott | 1.67003 | 47.11 | |
| BAFN10 | Schott | 1.670031 | 47.108735 | |
| H-ZBAF52 | CDGM | 1.67003 | 47.19506 | |
| BAF10 | Sumita | 1.67003 | 47.2 | |
| BAF10 | Hoya | 1.67003 | 47.2 | |
| S-BAH10 | Ohara | 1.670029 | 47.230916 | |
| BAH10 | Ohara | 1.670029 | 47.253429 | |
| H-ZBAF5 | CDGM | 1.67103 | 47.288963 | |
| K-LCV93 | Sumita | 1.6652 | 47.3 | |
| K-LCV93(M) | Sumita | 1.66355 | 47.2 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| C67-48 | Corning | 1.666698 | 48.434395 | |
| C48-46 | Corning | 1.647747 | 46.227993 | |
| C90-50 | Corning | 1.689009 | 49.625392 | |
| C58-51 | Corning | 1.658503 | 51.012014 | |
| C24-47 | Corning | 1.624 | 46.940278 | |
| C38-42 | Corning | 1.637752 | 42.433862 | |
| D17-48 | Corning | 1.717011 | 47.998493 | |
| C55-40 | Corning | 1.6555 | 40.115717 | |
| D01-41 | Corning | 1.701805 | 41.110216 | |
| D20-50 | Corning | 1.720003 | 50.312121 |