C20-36 by Corning
Obsolete
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) | 1.62001 |
|---|---|
| Abbe Number (Vd) | 36.30126 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.5531 - 0.00784034\,\lambda^2 + 0.0239755\,\lambda^{-2} + 0.000422121\,\lambda^{-4} + 3.90058 \times 10^{-5}\,\lambda^{-6} + 1.37448 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | — |
|---|---|
| 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)
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| C26-36 | Corning | 1.625903 | 35.60701 | |
| C37-35 | Corning | 1.636493 | 35.322642 | |
| C04-38 | Corning | 1.603499 | 38.110538 | |
| C48-34 | Corning | 1.647992 | 33.943274 | |
| C51-39 | Corning | 1.650206 | 39.193419 | |
| C55-40 | Corning | 1.6555 | 40.115717 | |
| C38-42 | Corning | 1.637752 | 42.433862 | |
| B81-41 | Corning | 1.581396 | 40.816116 | |
| C67-33 | Corning | 1.666997 | 33.114648 | |
| C06-44 | Corning | 1.605608 | 43.942859 |