NSL3 by Ohara
Obsolete
Unknown
Environmentally Dangerous
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) | 58.966406 |
| Dispersion Formula | Schott |
| Wavelength Range | 0.365 — 0.9 µm |
$$n(\lambda) = \sqrt{2.2697 - 0.00715\,\lambda^2 + 0.0133701\,\lambda^{-2} - 0.000276151\,\lambda^{-4} + 6.60545 \times 10^{-5}\,\lambda^{-6} - 3.18063 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
| TCE -30/70°C (10-6/K) | 8.8 |
|---|---|
| TCE 100/300°C (10-6/K) | 10.3 |
| Thermal Conductivity (W/mK) | — |
| Heat Capacity (J/gK) | — |
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[4.8656 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right]
\Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
| Density (g/cm³) | 2.53 |
|---|---|
| Relative Cost | — |
Mechanical Properties
| Young's Modulus (GPa) | — |
|---|---|
| Poisson's Ratio | — |
| Knoop Hardness (kgf/mm²) | — |
Chemical Resistance
| Climatic Resistance | — |
|---|---|
| Stain Resistance | — |
| Acid Resistance | — |
| Alkali Resistance | — |
| Phosphate Resistance | — |
Similar Glasses (Other Manufacturers)
Similar Glasses (Ohara)
| Glass | Manufacturer | nd | Vd | |
|---|---|---|---|---|
| S-NSL3 | Ohara | 1.518229 | 58.902057 | |
| 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 |