K-SKLD310 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) | 1.6042 |
|---|---|
| Abbe Number (Vd) | 48.9 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.36 — 1.55 µm |
$$n(\lambda) = \sqrt{2.52567 - 0.0118661\,\lambda^2 + 0.0165107\,\lambda^{-2} + 0.000536901\,\lambda^{-4} - 2.64307 \times 10^{-5}\,\lambda^{-6} + 2.86486 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 4.8 |
|---|---|
| TCE 100/300°C (10-6/K) | 7.1 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[8.58 \times 10^{-6} + 2(1.74 \times 10^{-8})\,\Delta T + 3(-7.72 \times 10^{-11})\,\Delta T^2 + \frac{5.67 \times 10^{-7} + 2(3.44 \times 10^{-10})\,\Delta T}{\lambda - 0.221}\right]
\Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.72 |
|---|---|
| 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 | |
|---|---|---|---|---|
| BAM5 | Ohara | 1.607289 | 49.188575 | |
| BAF5 | Hoya | 1.607292 | 49.336899 | |
| LAF50 | Hoya | 1.60199 | 50.21 | |
| C0550 | Corning | 1.605004 | 50.419332 | |
| C05-50 | Corning | 1.605004 | 50.419332 | |
| KZFS6 | Schott | 1.591965 | 48.509579 | |
| SSKN8 | Schott | 1.61772 | 49.771451 | |
| S-BSM28 | Ohara | 1.617722 | 49.815052 | |
| N-SSK8 | Schott | 1.61773 | 49.83 | |
| BSM28 | Ohara | 1.617722 | 49.83232 |
Similar Glasses (Sumita)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| K-SKLD310(M) | Sumita | 1.60132 | 49.0 | |
| BAF5 | Sumita | 1.60729 | 49.3 | |
| K-SSK9 | Sumita | 1.62012 | 49.8 | |
| SSK9 | Sumita | 1.62012 | 49.8 | |
| SSK3 | Sumita | 1.61484 | 51.1 | |
| K-SSK3 | Sumita | 1.61484 | 51.1 | |
| K-BaF8 | Sumita | 1.62374 | 47.1 | |
| BAF8 | Sumita | 1.62374 | 47.1 | |
| K-LCV161(M) | Sumita | 1.61477 | 45.6 | |
| BAF3 | Sumita | 1.58267 | 46.5 |