S-TIH3 by Ohara
Standard
Very Rare
Environmentally Friendly
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) | 1.739998 |
|---|---|
| Abbe Number (Vd) | 28.296005 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.404656 — 2.32542 µm |
$$n(\lambda) = \sqrt{1 + \frac{1.64798\,\lambda^2}{\lambda^2 - 0.0121918} + \frac{0.267262\,\lambda^2}{\lambda^2 - 0.0597893} + \frac{2.19773\,\lambda^2}{\lambda^2 - 192.158}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 8.5 |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.99 \times 10^{-6} + 2(1.19 \times 10^{-8})\,\Delta T + 3(-3.46 \times 10^{-11})\,\Delta T^2 + \frac{8.53 \times 10^{-7} + 2(1.06 \times 10^{-9})\,\Delta T}{\lambda - 0.297}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.11 |
|---|---|
| Relative Cost | 2.1 |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | 1 |
| Alkali Resistance | — |
| Phosphate Resistance | 1 |
Notes
Recommended
Similar Glasses (Other Manufacturers)
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| PBH3W | Ohara | 1.739998 | 28.287409 | |
| PBH3 | Ohara | 1.739998 | 28.283809 | |
| PBH13W | Ohara | 1.740769 | 27.793228 | |
| PBH13 | Ohara | 1.740769 | 27.793228 | |
| S-TIH13 | Ohara | 1.740769 | 27.789359 | |
| S-TIH10 | Ohara | 1.72825 | 28.460599 | |
| PBH10 | Ohara | 1.728249 | 28.4623 | |
| PBH4 | Ohara | 1.755199 | 27.512146 | |
| PBH4W | Ohara | 1.755199 | 27.512146 | |
| S-TIH4 | Ohara | 1.755199 | 27.512089 |