E-FDS3 by Hoya
Preferred
Very Common
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) | 2.1042 |
|---|---|
| Abbe Number (Vd) | 17.02 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{4.11204 - 0.0182277\,\lambda^2 + 0.0898521\,\lambda^{-2} + 0.00787144\,\lambda^{-4} - 0.00052228\,\lambda^{-6} + 0.000117731\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.8 |
|---|---|
| TCE 100/300°C (10-6/K) | 8.2 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.98 \times 10^{-6} + 2(1.44 \times 10^{-8})\,\Delta T + 3(-3.95 \times 10^{-11})\,\Delta T^2 + \frac{2.17 \times 10^{-6} + 2(2.05 \times 10^{-9})\,\Delta T}{\lambda - 0.302}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 5.63 |
|---|---|
| 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 | |
|---|---|---|---|---|
| L-BBH1 | Ohara | 2.101949 | 16.785097 | |
| L-BBH2 | Ohara | 2.102999 | 18.051064 | |
| K-PSFn214(M) | Sumita | 2.13909 | 17.7 | |
| K-PSFn214P(M) | Sumita | 2.13919 | 17.7 | |
| K-PSFn173(M) | Sumita | 2.14342 | 17.3 | |
| K-PSFn214 | Sumita | 2.14355 | 17.8 | |
| K-PSFn214P | Sumita | 2.144 | 17.8 | |
| K-PSFn173 | Sumita | 2.1478 | 17.3 | |
| K-PSFn215 | Sumita | 2.154 | 17.2 | |
| K-PSFn202P | Sumita | 2.0216 | 21.4 |