FCD515 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) | 1.59282 |
|---|---|
| Abbe Number (Vd) | 68.62 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{2.50236 - 0.007208\,\lambda^2 + 0.0120127\,\lambda^{-2} + 0.000349208\,\lambda^{-4} - 2.47297 \times 10^{-5}\,\lambda^{-6} + 1.38016 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 11.1 |
|---|---|
| TCE 100/300°C (10-6/K) | 13.4 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.58 \times 10^{-5} + 2(3.73 \times 10^{-9})\,\Delta T + 3(-1.83 \times 10^{-11})\,\Delta T^2 + \frac{3.66 \times 10^{-7} + 2(1.72 \times 10^{-10})\,\Delta T}{\lambda - 0.169}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 4.13 |
|---|---|
| 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 | 2 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Notes
Recommended glass type
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| N-PSK57 | Schott | 1.5924 | 68.398667 | |
| D-ZPK5 | CDGM | 1.5928 | 68.342024 | |
| H-ZPK5 | CDGM | 1.5928 | 68.342024 | |
| GFK68 | Sumita | 1.5924 | 68.3 | |
| K-GFK68 | Sumita | 1.5924 | 68.3 | |
| D-ZPK5-25 | CDGM | 1.59216 | 68.281511 | |
| K-GFK68(M) | Sumita | 1.58998 | 68.3 | |
| K-PSK400 | Sumita | 1.595 | 67.8 | |
| K-PSK400(M) | Sumita | 1.59179 | 67.7 | |
| S-FPM2 | Ohara | 1.59522 | 67.735723 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| FCD505 | Hoya | 1.59282 | 68.62 | |
| M-PCD51 | Hoya | 1.59201 | 67.02 | |
| PCD51 | Hoya | 1.59349 | 67.0 | |
| MP-PCD51-70 | Hoya | 1.59271 | 66.97 | |
| MC-PCD51-70 | Hoya | 1.59271 | 66.97 | |
| FCD615 | Hoya | 1.57144 | 71.61 | |
| LBC3N | Hoya | 1.60625 | 63.72 | |
| M-PCD4 | Hoya | 1.61881 | 63.85 | |
| MC-PCD4-40 | Hoya | 1.61921 | 63.85 | |
| MP-PCD4-40 | Hoya | 1.61921 | 63.85 |