PBH6 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) | 1.805177 |
|---|---|
| Abbe Number (Vd) | 25.435012 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.3 — 2.4 µm |
$$n(\lambda) = \sqrt{3.12064 - 0.0112863\,\lambda^2 + 0.0405432\,\lambda^{-2} + 0.0033877\,\lambda^{-4} - 0.0002418\,\lambda^{-6} + 2.74403 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 8.1 |
|---|---|
| TCE 100/300°C (10-6/K) | 9.0 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.501 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 5.19 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | — |
|---|---|
| Stain Resistance | — |
| Acid Resistance | 51 |
| Alkali Resistance | — |
| Phosphate Resistance | 3 |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| SF6HT | Schott | 1.80518 | 25.43 | |
| SF6 | Schott | 1.80518 | 25.43 | |
| H-ZF7LAGT | CDGM | 1.80518 | 25.456256 | |
| H-ZF7LA | CDGM | 1.80518 | 25.456256 | |
| FD60 | Hoya | 1.80518 | 25.46 | |
| FD60-W | Hoya | 1.80518 | 25.46 | |
| FD6 | Hoya | 1.805184 | 25.465194 | |
| K-SFLD6 | Sumita | 1.80518 | 25.4 | |
| SFLD6 | Sumita | 1.80518 | 25.4 | |
| ZF7L | CDGM | 1.80519 | 25.471232 |
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| PBH6W | Ohara | 1.805177 | 25.435012 | |
| TIH6 | Ohara | 1.805181 | 25.432057 | |
| S-TIH6 | Ohara | 1.805181 | 25.425363 | |
| S-NPH1W | Ohara | 1.808095 | 22.760817 | |
| S-NPH1 | Ohara | 1.808095 | 22.760817 | |
| TIH11 | Ohara | 1.784723 | 25.677885 | |
| S-TIH11 | Ohara | 1.784723 | 25.683446 | |
| PBH11W | Ohara | 1.784718 | 25.712726 | |
| PBH11 | Ohara | 1.784718 | 25.712726 | |
| PBH23 | Ohara | 1.784702 | 26.216753 |