B18-60 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) | 1.518201 |
|---|---|
| Abbe Number (Vd) | 60.291781 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.29 — 1.8 µm |
$$n(\lambda) = \sqrt{2.27293 - 0.00934454\,\lambda^2 + 0.0118261\,\lambda^{-2} + 7.96052 \times 10^{-5}\,\lambda^{-4} + 1.38289 \times 10^{-5}\,\lambda^{-6} - 4.95269 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.2 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.8 |
| 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) | 2.56 |
|---|---|
| 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 | |
|---|---|---|---|---|
| BALK3 | Sumita | 1.51835 | 60.3 | |
| BALKN3 | Schott | 1.518489 | 60.259571 | |
| BACL3 | Hoya | 1.518351 | 60.396486 | |
| H-K7 | CDGM | 1.51478 | 60.634896 | |
| UK50 | Schott | 1.522571 | 60.383109 | |
| K50 | Schott | 1.522572 | 60.179756 | |
| C40 | Hoya | 1.523 | 60.4016 | |
| S-NSL5 | Ohara | 1.522494 | 59.835417 | |
| NSL5 | Ohara | 1.522494 | 59.790926 | |
| K5 | Sumita | 1.52249 | 59.6 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| B11-60 | Corning | 1.510999 | 60.383147 | |
| B23-59 | Corning | 1.522996 | 59.479482 | |
| B19-61 | Corning | 1.519061 | 61.386004 | |
| B39-59 | Corning | 1.539505 | 59.712433 | |
| B10-63 | Corning | 1.509992 | 63.551713 | |
| B16-64 | Corning | 1.516804 | 64.224234 | |
| B18-65 | Corning | 1.518199 | 65.115452 | |
| B64-61 | Corning | 1.564005 | 60.964853 | |
| A88-66 | Corning | 1.487502 | 65.807152 | |
| B72-57 | Corning | 1.572498 | 57.494511 |