FDS16-W by Hoya
Preferred
Very Common
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) | 1.98612 |
|---|---|
| Abbe Number (Vd) | 16.48 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{3.69061 - 0.027849\,\lambda^2 + 0.0631391\,\lambda^{-2} + 0.0124437\,\lambda^{-4} - 0.00147741\,\lambda^{-6} + 0.000174787\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 4.1 |
|---|---|
| TCE 100/300°C (10-6/K) | 5.4 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2.97 \times 10^{-6} + 2(1.37 \times 10^{-8})\,\Delta T + 3(-4.94 \times 10^{-11})\,\Delta T^2 + \frac{1.36 \times 10^{-6} + 2(1.86 \times 10^{-9})\,\Delta T}{\lambda - 0.333}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.54 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | 1 |
| Acid Resistance | 1 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
Recommended glass type
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-NPH3 | Ohara | 1.95906 | 17.471252 | |
| H-ZF73 | CDGM | 1.95906 | 17.472434 | |
| H-ZF73GT | CDGM | 1.95906 | 17.472434 | |
| K-PSFn2(M) | Sumita | 1.9967 | 20.6 | |
| D-ZF93-25 | CDGM | 1.9998 | 20.686444 | |
| K-PSFn2 | Sumita | 2.0017 | 20.6 | |
| ZNO | Generic Birefringent | 2.003385 | 12.424016 | |
| D-ZF93 | CDGM | 2.0017 | 20.700195 | |
| P-SF68 | Schott | 2.0052 | 21.0 | |
| K-PSFn203(M) | Sumita | 2.01105 | 20.8 |