BSC7 by Hoya
Standard
Rare
Environmentally Dangerous
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) | 1.5168 |
|---|---|
| Abbe Number (Vd) | 64.2 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{2.27026 - 0.00919881\,\lambda^2 + 0.0116097\,\lambda^{-2} - 7.61239 \times 10^{-5}\,\lambda^{-4} + 2.85587 \times 10^{-5}\,\lambda^{-6} - 1.25665 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 7.6 |
|---|---|
| TCE 100/300°C (10-6/K) | 9.3 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.25479 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.52 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 3 |
|---|---|
| Stain Resistance | 1 |
| Acid Resistance | 1 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
General glass Type
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-K9L* | CDGM | 1.5168 | 64.198732 | |
| H-K9L | CDGM | 1.5168 | 64.198732 | |
| H-K9LGT | CDGM | 1.5168 | 64.198732 | |
| H-K9LAGT | CDGM | 1.5168 | 64.198695 | |
| H-K9LA | CDGM | 1.5168 | 64.198695 | |
| B16-64 | Corning | 1.516804 | 64.224234 | |
| N-BK7HT | Schott | 1.5168 | 64.17 | |
| N-BK7HTSultra | Schott | 1.5168 | 64.17 | |
| N-BK7 | Schott | 1.5168 | 64.17 | |
| N-BK7HTi | Schott | 1.5168 | 64.17 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| PC2 | Hoya | 1.51821 | 65.160509 | |
| BSC1 | Hoya | 1.510091 | 63.435118 | |
| PC3 | Hoya | 1.52542 | 64.619542 | |
| BSC3 | Hoya | 1.498309 | 65.130542 | |
| BSC4 | Hoya | 1.50048 | 65.996466 | |
| BSC6 | Hoya | 1.531128 | 62.075664 | |
| ZNC7 | Hoya | 1.508471 | 61.266087 | |
| PC1 | Hoya | 1.503779 | 66.88712 | |
| C7 | Hoya | 1.511122 | 60.485929 | |
| BACL3 | Hoya | 1.518351 | 60.396486 |