MP-FDS910-50 by Hoya
Preferred
Common
Precision Molding
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) | 1.82165 |
|---|---|
| Abbe Number (Vd) | 24.04 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36501 — 1.5296 µm |
$$n(\lambda) = \sqrt{3.16679 - 0.0131414\,\lambda^2 + 0.0471787\,\lambda^{-2} + 0.00226843\,\lambda^{-4} - 5.36724 \times 10^{-5}\,\lambda^{-6} + 2.53284 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 9.5 |
|---|---|
| TCE 100/300°C (10-6/K) | 12.1 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-5.47 \times 10^{-6} + 2(5.77 \times 10^{-9})\,\Delta T + 3(-3.7 \times 10^{-11})\,\Delta T^2 + \frac{9.25 \times 10^{-7} + 2(1.02 \times 10^{-9})\,\Delta T}{\lambda - 1.26 \times 10^{-9}}\right]
\Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.69 |
|---|---|
| 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
Preforms for Precision molding
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| SFLD20 | Sumita | 1.81786 | 23.7 | |
| K-PSFn3(M) | Sumita | 1.83352 | 24.0 | |
| K-CD180 | Sumita | 1.80645 | 24.4 | |
| SFLD60 | Sumita | 1.80645 | 24.4 | |
| SF6G05 | Schott | 1.80906 | 25.27 | |
| S-NPH1 | Ohara | 1.808095 | 22.760817 | |
| S-NPH1W | Ohara | 1.808095 | 22.760817 | |
| H-ZF71 | CDGM | 1.8081 | 22.698087 | |
| H-ZF71GT | CDGM | 1.8081 | 22.698087 | |
| K-PSFn3 | Sumita | 1.83917 | 23.9 |