S-NSL3 by Ohara
Standard
Medium
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) | 1.518229 |
|---|---|
| Abbe Number (Vd) | 58.902057 |
| Dispersion Formula | Sellmeier |
| Wavelength Range | 0.365015 — 2.32542 µm |
$$n(\lambda) = \sqrt{1 + \frac{0.882515\,\lambda^2}{\lambda^2 - 0.00464505} + \frac{0.389272\,\lambda^2}{\lambda^2 - 0.0200551} + \frac{1.10693\,\lambda^2}{\lambda^2 - 136.234}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 9.0 |
|---|---|
| TCE 100/300°C (10-6/K) | — |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-2.94 \times 10^{-6} + 2(1.06 \times 10^{-8})\,\Delta T + 3(-3.57 \times 10^{-11})\,\Delta T^2 + \frac{4.22 \times 10^{-7} + 2(5.7 \times 10^{-10})\,\Delta T}{\lambda - 0.249}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.48 |
|---|---|
| Relative Cost | 1.8 |
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 | 1 |
Notes
Recommended
Similar Glasses (Other Manufacturers)
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| NSL3 | Ohara | 1.518229 | 58.966406 | |
| NSL5 | Ohara | 1.522494 | 59.790926 | |
| S-NSL5 | Ohara | 1.522494 | 59.835417 | |
| NSL7 | Ohara | 1.511121 | 60.485793 | |
| S-NSL2 | Ohara | 1.516016 | 56.858179 | |
| NSL2 | Ohara | 1.516016 | 56.800755 | |
| BAL12 | Ohara | 1.539955 | 59.454008 | |
| S-BAL12 | Ohara | 1.539956 | 59.462478 | |
| S-FTL10 | Ohara | 1.501372 | 56.421009 | |
| FTL10 | Ohara | 1.501372 | 56.399833 |