F14HT by Schott
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) | 1.601389 |
|---|---|
| Abbe Number (Vd) | 38.266237 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{1.33063\,\lambda^2}{\lambda^2 - 0.0100002} + \frac{0.16997\,\lambda^2}{\lambda^2 - 0.0474133} + \frac{0.919093\,\lambda^2}{\lambda^2 - 109.672}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 7.9 |
|---|---|
| TCE 100/300°C (10-6/K) | 9.0 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.44 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | 0 |
| Acid Resistance | 1 |
| Alkali Resistance | 2 |
| Phosphate Resistance | 1 |
Notes
old, High UV Transmission; glass data moved from former "I_LINE" catalog
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| C04-38 | Corning | 1.603499 | 38.110538 | |
| S-TIM5 | Ohara | 1.60342 | 38.027347 | |
| F5 | Hoya | 1.603417 | 38.014872 | |
| F1 | CDGM | 1.603417 | 38.01487 | |
| PBM5 | Ohara | 1.60342 | 38.012915 | |
| H-F1 | CDGM | 1.60342 | 38.010877 | |
| E-F5 | Hoya | 1.60342 | 38.01 | |
| F5 | Sumita | 1.60342 | 38.0 | |
| F15 | Hoya | 1.605651 | 37.899711 | |
| PBM18Y | Ohara | 1.595509 | 38.767114 |
Similar Glasses (Schott)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| F14 | Schott | 1.601401 | 38.231923 | |
| F5 | Schott | 1.60342 | 38.03 | |
| F15 | Schott | 1.605651 | 37.830856 | |
| F8HT | Schott | 1.59551 | 39.179444 | |
| F8 | Schott | 1.59551 | 39.179444 | |
| LF5G19 | Schott | 1.59655 | 39.89 | |
| F3 | Schott | 1.612931 | 37.038954 | |
| F9 | Schott | 1.620451 | 38.080601 | |
| F4 | Schott | 1.616592 | 36.628072 | |
| TIFN5 | Schott | 1.593555 | 35.514529 |