TAFD43 by Hoya
Obsolete
Unknown
Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
dn/dλ vs Wavelength
dn/dλ Calculator
Abbe Number Calculator
Transmission vs Wavelength
No transmission data available.
Optical Properties
| Refractive Index (nd) | 2.002944 |
|---|---|
| Abbe Number (Vd) | 23.512743 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.334 — 2.325 µm |
$$n(\lambda) = \sqrt{3.7916 - 0.00808161\,\lambda^2 + 0.0693206\,\lambda^{-2} + 0.00241725\,\lambda^{-4} + 1.0694 \times 10^{-5}\,\lambda^{-6} + 2.32354 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | — |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | — |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | — |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-ZLAF90 | CDGM | 2.00069 | 25.425752 | |
| H-ZLAF90A | CDGM | 2.00069 | 25.458056 | |
| P-SF68 | Schott | 2.0052 | 21.0 | |
| K-PSFn202(M) | Sumita | 2.01365 | 21.4 | |
| K-BOC30 | Sumita | 2.0068 | 26.2 | |
| D-ZF93 | CDGM | 2.0017 | 20.700195 | |
| D-ZF93-25 | CDGM | 1.9998 | 20.686444 | |
| K-PSFn2 | Sumita | 2.0017 | 20.6 | |
| K-PSFn203(M) | Sumita | 2.01105 | 20.8 | |
| K-PSFn202 | Sumita | 2.0196 | 21.5 |