BSC4 by Hoya
Obsolete
Unknown
Environmentally Dangerous
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) | 1.50048 |
|---|---|
| Abbe Number (Vd) | 65.996466 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.22545 - 0.0105674\,\lambda^2 + 0.00965599\,\lambda^{-2} + 0.000228468\,\lambda^{-4} - 1.17819 \times 10^{-5}\,\lambda^{-6} + 5.91144 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
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)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| BK4 | Sumita | 1.50048 | 66.0 | |
| H-K2 | CDGM | 1.50047 | 66.020774 | |
| BSL21 | Ohara | 1.503779 | 66.814545 | |
| BK3 | Sumita | 1.49831 | 65.1 | |
| BK3 | Schott | 1.498311 | 65.063609 | |
| BSL3 | Ohara | 1.498308 | 65.026785 | |
| N-BK10 | Schott | 1.49782 | 66.95 | |
| BK10 | Schott | 1.497821 | 66.95447 | |
| PK1 | Schott | 1.503781 | 66.921827 | |
| BK10 | Sumita | 1.49782 | 67.0 |