BACL1 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) | 1.526417 |
|---|---|
| Abbe Number (Vd) | 60.113677 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{2.2955 - 0.00776502\,\lambda^2 + 0.0128323\,\lambda^{-2} - 0.000115625\,\lambda^{-4} + 4.46832 \times 10^{-5}\,\lambda^{-6} - 2.15948 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
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 | |
|---|---|---|---|---|
| H-K11 | CDGM | 1.52638 | 60.15737 | |
| K50 | Schott | 1.522572 | 60.179756 | |
| UK50 | Schott | 1.522571 | 60.383109 | |
| S-NSL5 | Ohara | 1.522494 | 59.835417 | |
| NSL5 | Ohara | 1.522494 | 59.790926 | |
| H-BAK1 | CDGM | 1.53028 | 60.466139 | |
| K5 | Sumita | 1.52249 | 59.6 | |
| B23-59 | Corning | 1.522996 | 59.479482 | |
| K5HT | Schott | 1.522453 | 59.530889 | |
| K5 | Schott | 1.522489 | 59.482671 |