K-PSFn166 by Sumita
Standard
Rare
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) | 1.663 |
|---|---|
| Abbe Number (Vd) | 34.4 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36 — 1.55 µm |
$$n(\lambda) = \sqrt{2.68669 - 0.0108859\,\lambda^2 + 0.0255771\,\lambda^{-2} + 0.00105551\,\lambda^{-4} - 3.49829 \times 10^{-5}\,\lambda^{-6} + 7.76216 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 9.1 |
|---|---|
| TCE 100/300°C (10-6/K) | 11.3 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-6.43 \times 10^{-6} + 2(1.03 \times 10^{-8})\,\Delta T + 3(-2.4 \times 10^{-10})\,\Delta T^2 + \frac{7.06 \times 10^{-7} + 2(7.03 \times 10^{-10})\,\Delta T}{\lambda - 0.275}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.11 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 1 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | 1 |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| H-ZBAF4 | CDGM | 1.66426 | 35.484251 | |
| FD9 | Hoya | 1.654462 | 33.717017 | |
| N-SF19 | Schott | 1.66679 | 33.12 | |
| SF9 | Schott | 1.654461 | 33.651384 | |
| ZF8 | CDGM | 1.65446 | 33.651201 | |
| C67-33 | Corning | 1.666997 | 33.114648 | |
| BAH22 | Ohara | 1.664459 | 35.812757 | |
| FD19 | Hoya | 1.666797 | 33.059707 | |
| S-TIM39 | Ohara | 1.6668 | 33.054985 | |
| H-ZF39 | CDGM | 1.6668 | 33.053728 |
Similar Glasses (Sumita)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| K-PSFn166(M) | Sumita | 1.65858 | 34.4 | |
| SF9 | Sumita | 1.65446 | 33.8 | |
| SF19 | Sumita | 1.6668 | 33.1 | |
| BASF2 | Sumita | 1.66446 | 35.9 | |
| SF12 | Sumita | 1.64831 | 33.8 | |
| SF2 | Sumita | 1.64769 | 33.9 | |
| SF5 | Sumita | 1.6727 | 32.2 | |
| K-PG395 | Sumita | 1.658 | 36.9 | |
| K-PG395(M) | Sumita | 1.65296 | 36.8 | |
| SF7 | Sumita | 1.6398 | 34.6 |