H-F13 by CDGM
Standard
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) | 1.62588 |
|---|---|
| Abbe Number (Vd) | 35.698971 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.365 — 2.325 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.14115\,\lambda^2}{\lambda^2 - 0.0576025} + \frac{1.23909\,\lambda^2}{\lambda^2 - 117.259} + \frac{1.432\,\lambda^2}{\lambda^2 - 0.0106819}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 8.0 |
|---|---|
| TCE 100/300°C (10-6/K) | 9.9 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.02 \times 10^{-6} + 2(1.53 \times 10^{-8})\,\Delta T + 3(-5.65 \times 10^{-11})\,\Delta T^2 + \frac{7.32 \times 10^{-7} + 2(8.29 \times 10^{-10})\,\Delta T}{\lambda - 0.275}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.69 |
|---|---|
| Relative Cost | 4.4 |
Mechanical Properties
| Young's Modulus (GPa) | 83.54 |
|---|---|
| Poisson's Ratio | 0.231 |
| Knoop Hardness (kgf/mm²) | 586.0 |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-TIM1 | Ohara | 1.625882 | 35.699614 | |
| F1 | Schott | 1.625882 | 35.700495 | |
| PBM1 | Ohara | 1.625882 | 35.700668 | |
| E-F1 | Hoya | 1.62588 | 35.74 | |
| F1 | Hoya | 1.62588 | 35.744525 | |
| C26-36 | Corning | 1.625903 | 35.60701 | |
| F1 | Sumita | 1.62588 | 35.6 | |
| F7 | Hoya | 1.625363 | 35.583498 | |
| F7 | Schott | 1.625361 | 35.561194 | |
| F13 | Schott | 1.622372 | 36.043399 |