S-LAL10 by Ohara
Standard
Common
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) | 1.719995 |
|---|---|
| Abbe Number (Vd) | 50.230564 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.365015 — 2.32542 µm |
$$n(\lambda) = \sqrt{1 + \frac{1.52813\,\lambda^2}{\lambda^2 - 0.00776818} + \frac{0.367965\,\lambda^2}{\lambda^2 - 0.0272027} + \frac{1.11752\,\lambda^2}{\lambda^2 - 88.8697}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 6.1 |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[4.83 \times 10^{-6} + 2(1.07 \times 10^{-8})\,\Delta T + 3(-3.51 \times 10^{-11})\,\Delta T^2 + \frac{5.85 \times 10^{-7} + 2(6.98 \times 10^{-10})\,\Delta T}{\lambda - 0.196}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 3.86 |
|---|---|
| Relative Cost | 1.4 |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | 2 |
|---|---|
| Stain Resistance | — |
| Acid Resistance | 52 |
| Alkali Resistance | — |
| Phosphate Resistance | 3 |
Notes
Recommended
Similar Glasses (Other Manufacturers)
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| LAL10 | Ohara | 1.719995 | 50.254429 | |
| L-LAM72 | Ohara | 1.733099 | 48.896607 | |
| S-LAL59 | Ohara | 1.733997 | 51.47057 | |
| LAL59 | Ohara | 1.733997 | 51.488026 | |
| LAM3 | Ohara | 1.717004 | 47.942632 | |
| S-LAM3 | Ohara | 1.717004 | 47.927969 | |
| S-LAL20 | Ohara | 1.6993 | 51.112184 | |
| S-LAL21 | Ohara | 1.703 | 52.379403 | |
| S-LAM60 | Ohara | 1.743198 | 49.339444 | |
| LAM60 | Ohara | 1.743198 | 49.309053 |