A88-66 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) | 1.487502 |
|---|---|
| Abbe Number (Vd) | 65.807152 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.28 — 1.8 µm |
$$n(\lambda) = \sqrt{2.18707 - 0.010244\,\lambda^2 + 0.00978239\,\lambda^{-2} + 6.29459 \times 10^{-5}\,\lambda^{-4} + 1.3394 \times 10^{-5}\,\lambda^{-6} - 8.46451 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 4.3 |
|---|---|
| TCE 100/300°C (10-6/K) | 5.0 |
| 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) | 2.28 |
|---|---|
| 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 | |
|---|---|---|---|---|
| BSC3 | Hoya | 1.498309 | 65.130542 | |
| BK3 | Sumita | 1.49831 | 65.1 | |
| BK3 | Schott | 1.498311 | 65.063609 | |
| BSL3 | Ohara | 1.498308 | 65.026785 | |
| BSC4 | Hoya | 1.50048 | 65.996466 | |
| BK4 | Sumita | 1.50048 | 66.0 | |
| H-K2 | CDGM | 1.50047 | 66.020774 | |
| N-BK10 | Schott | 1.49782 | 66.95 | |
| BK10 | Schott | 1.497821 | 66.95447 | |
| BK10 | Sumita | 1.49782 | 67.0 |
Similar Glasses (Corning)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| A63-65 | Corning | 1.464501 | 65.763211 | |
| B10-63 | Corning | 1.509992 | 63.551713 | |
| B18-65 | Corning | 1.518199 | 65.115452 | |
| B16-64 | Corning | 1.516804 | 64.224234 | |
| C79-80 | Corning | 1.458467 | 67.795012 | |
| A87-70 | Corning | 1.487248 | 70.500557 | |
| B19-61 | Corning | 1.519061 | 61.386004 | |
| B11-60 | Corning | 1.510999 | 60.383147 | |
| B18-60 | Corning | 1.518201 | 60.291781 | |
| B23-59 | Corning | 1.522996 | 59.479482 |