NSL33 by Ohara

Obsolete Unknown Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.3–2.4 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.3–2.4 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.300–0.900 µm
Optical Properties
Refractive Index (nd) 1.514536
Abbe Number (Vd) 54.714595
Dispersion Formula Schott
Wavelength Range 0.3 — 2.4 µm
$$n(\lambda) = \sqrt{2.25824 - 0.00798758\,\lambda^2 + 0.0125757\,\lambda^{-2} + 0.000221305\,\lambda^{-4} + 1.0686 \times 10^{-6}\,\lambda^{-6} + 3.97644 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 9.1
TCE 100/300°C (10-6/K) 10.7
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.239 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) 2.6
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance —
Stain Resistance —
Acid Resistance 1
Alkali Resistance —
Phosphate Resistance 1
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
KF3 Schott 1.51454 54.702547
CF3 Hoya 1.51454 54.628437
KF3 Sumita 1.51454 54.6
D263TECO Schott 1.523303 54.5172
KDP Generic Birefringent 1.509182 56.224997
C2 Hoya 1.51602 56.771193
H-K8 CDGM 1.51602 56.794825
SBF5 Hoya 1.521299 52.780677
K-SKF6(M) Sumita 1.50847 52.6
K5G20 Schott 1.52344 56.76
Similar Glasses (Ohara)
Glass Manufacturer nd Vd
NSL2 Ohara 1.516016 56.800755
S-NSL2 Ohara 1.516016 56.858179
S-NSL36 Ohara 1.517417 52.430903
NSL36 Ohara 1.517417 52.412251
SSL5 Ohara 1.521299 52.553447
FTL10 Ohara 1.501372 56.399833
S-FTL10 Ohara 1.501372 56.421009
SSL2 Ohara 1.529441 51.722557
FTL8 Ohara 1.511179 51.020607
S-NSL3 Ohara 1.518229 58.902057
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