LAH52 by Ohara

Obsolete Unknown Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.334–2.325 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.334–2.325 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Optical Properties
Refractive Index (nd) 1.799516
Abbe Number (Vd) 42.241337
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{3.15365 - 0.0156306\,\lambda^2 + 0.0287417\,\lambda^{-2} + 0.000808681\,\lambda^{-4} - 1.01646 \times 10^{-5}\,\lambda^{-6} + 2.96155 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) —
TCE 100/300°C (10-6/K) —
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) —
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)
Glass Manufacturer nd Vd
H-LAF54 CDGM 1.799519 42.253294
K-LaSFn3 Sumita 1.7995 42.3
LASFN3 Sumita 1.7995 42.3
NBFD12 Hoya 1.7995 42.34
N-LAF36 Schott 1.79952 42.37
K-VC179 Sumita 1.7989 41.8
K-VC179(M) Sumita 1.79441 41.9
D96-43 Corning 1.796195 43.217783
NBFD2 Hoya 1.797199 41.143795
K-VC100(M) Sumita 1.79916 43.5
Similar Glasses (Ohara)
Glass Manufacturer nd Vd
S-LAH52Q Ohara 1.79952 42.239506
S-LAH52 Ohara 1.799516 42.225007
LAH53 Ohara 1.806098 40.948508
S-LAH53V Ohara 1.806099 40.929791
S-LAH53 Ohara 1.806098 40.925996
L-LAH53 Ohara 1.806249 40.907302
L-LAH81 Ohara 1.8061 40.400738
L-LAH84 Ohara 1.80835 40.548503
L-LAH84P Ohara 1.81225 40.294279
LAH51 Ohara 1.785896 44.186159
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