FD10 by Hoya
Obsolete
Unknown
Environmentally Dangerous
FD10 by Hoya is an obsolete optical glass. It transmits from 0.37 to 1.55 µm with an nd of 1.728252 and a Vd of 28.319563. It has medium thermal expansion (CTE of 7.6×10⁻⁶/K), excellent chemical resistance, and dangerous environmental properties.
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) | 1.728252 |
|---|---|
| Abbe Number (Vd) | 28.319563 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.25 — 1.55 µm |
$$n(\lambda) = \sqrt{2.87526 - 0.00923041\,\lambda^2 + 0.0352891\,\lambda^{-2} + 0.00152249\,\lambda^{-4} - 4.86516 \times 10^{-5}\,\lambda^{-6} + 1.37408 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 7.6 |
|---|---|
| TCE 100/300°C (10-6/K) | 84.0 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[8.81038 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | 1 |
| Acid Resistance | 1 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | Compare |
|---|---|---|---|---|
| H-ZF4AGT | CDGM | 1.72825 | 28.318797 | |
| H-ZF4A | CDGM | 1.72825 | 28.318797 | |
| ZF4 | CDGM | 1.728251 | 28.3239 | |
| SF10W | Sumita | 1.72825 | 28.3 | |
| SF10 | Sumita | 1.72825 | 28.3 | |
| D28-28 | Corning | 1.728304 | 28.397796 | |
| SF10 | Schott | 1.72825 | 28.41 | |
| S-TIH10 | Ohara | 1.72825 | 28.460599 | |
| PBH10 | Ohara | 1.728249 | 28.4623 | |
| N-SF10 | Schott | 1.72828 | 28.53 |
Similar Glasses (Hoya)
| Glass | Manufacturer | nd | Vd | Compare |
|---|---|---|---|---|
| E-FD10L | Hoya | 1.72825 | 28.32 | |
| E-FD10 | Hoya | 1.72825 | 28.32 | |
| FDS2 | Hoya | 1.7283 | 28.674457 | |
| FD18 | Hoya | 1.721507 | 29.243436 | |
| FD20 | Hoya | 1.720225 | 29.300359 | |
| FD3 | Hoya | 1.739999 | 28.245048 | |
| FD13 | Hoya | 1.740774 | 27.764991 | |
| E-FD13 | Hoya | 1.74077 | 27.76 | |
| E-FD1 | Hoya | 1.71736 | 29.5 | |
| E-FD1L | Hoya | 1.71736 | 29.5 |