B64-61 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) | 1.564005 |
|---|---|
| Abbe Number (Vd) | 60.964853 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.29 — 1.8 µm |
$$n(\lambda) = \sqrt{2.40952 - 0.0096547\,\lambda^2 + 0.0137681\,\lambda^{-2} - 9.76152 \times 10^{-5}\,\lambda^{-4} + 4.11201 \times 10^{-5}\,\lambda^{-6} - 1.97684 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 7.4 |
|---|---|
| TCE 100/300°C (10-6/K) | 8.4 |
| 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) | 3.01 |
|---|---|
| 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 | |
|---|---|---|---|---|
| BACD11 | Hoya | 1.56384 | 60.83 | |
| L-PHL1 | Ohara | 1.56455 | 60.818065 | |
| SK11 | Sumita | 1.56384 | 60.8 | |
| N-SK11 | Schott | 1.56384 | 60.8 | |
| SK11 | Schott | 1.56384 | 60.798869 | |
| H-BAK6 | CDGM | 1.56388 | 60.764747 | |
| K-PSK11 | Sumita | 1.5658 | 61.0 | |
| P-SK11 | Sumita | 1.5658 | 61.0 | |
| BAL41 | Ohara | 1.563839 | 60.695914 | |
| S-BAL41 | Ohara | 1.563839 | 60.666575 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| B89-61 | Corning | 1.588998 | 61.218914 | |
| B39-59 | Corning | 1.539505 | 59.712433 | |
| B72-57 | Corning | 1.572498 | 57.494511 | |
| B69-56 | Corning | 1.568797 | 56.044859 | |
| B23-59 | Corning | 1.522996 | 59.479482 | |
| C04-64 | Corning | 1.603507 | 63.401916 | |
| B19-61 | Corning | 1.519061 | 61.386004 | |
| B18-60 | Corning | 1.518201 | 60.291781 | |
| B52-67 | Corning | 1.552198 | 67.059229 | |
| C09-59 | Corning | 1.608756 | 59.036803 |