PBH11 by Ohara
Obsolete
Unknown
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) | 1.784718 |
|---|---|
| Abbe Number (Vd) | 25.712726 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.3 — 2.4 µm |
$$n(\lambda) = \sqrt{3.05233 - 0.0106999\,\lambda^2 + 0.0400268\,\lambda^{-2} + 0.00274113\,\lambda^{-4} - 0.000168257\,\lambda^{-6} + 2.45396 \times 10^{-5}\,\lambda^{-8}}$$
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) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 4.79 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | — |
|---|---|
| Stain Resistance | — |
| Acid Resistance | 1 |
| Alkali Resistance | — |
| Phosphate Resistance | 1 |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| FD110 | Hoya | 1.78472 | 25.72 | |
| H-ZF13GT | CDGM | 1.78472 | 25.720045 | |
| H-ZF13 | CDGM | 1.78472 | 25.720045 | |
| FD11 | Hoya | 1.784715 | 25.704276 | |
| SF11 | Sumita | 1.78472 | 25.7 | |
| SF11W | Sumita | 1.78472 | 25.7 | |
| N-SF11 | Schott | 1.78472 | 25.68 | |
| ZF13 | CDGM | 1.784724 | 25.754051 | |
| SF11 | Schott | 1.78472 | 25.76 | |
| D85-25 | Corning | 1.784752 | 25.799504 |
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| PBH11W | Ohara | 1.784718 | 25.712726 | |
| S-TIH11 | Ohara | 1.784723 | 25.683446 | |
| TIH11 | Ohara | 1.784723 | 25.677885 | |
| PBH23 | Ohara | 1.784702 | 26.216753 | |
| PBH23W | Ohara | 1.784702 | 26.216753 | |
| S-TIH23 | Ohara | 1.784696 | 26.291221 | |
| TIH23 | Ohara | 1.784696 | 26.29817 | |
| S-NPH7 | Ohara | 1.7783 | 23.911598 | |
| S-NBH58 | Ohara | 1.7888 | 28.42865 | |
| PBH6W | Ohara | 1.805177 | 25.435012 |