LAH53 by Ohara

Obsolete Unknown Environmentally Friendly

LAH53 by Ohara is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.806098 and a Vd of 40.948508.

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.

Transmission Calculator
Valid wavelength range: 0.334–2.325 µm
Optical Properties
Refractive Index (nd) 1.806098
Abbe Number (Vd) 40.948508
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{3.17359 - 0.0148652\,\lambda^2 + 0.0295402\,\lambda^{-2} + 0.000983666\,\lambda^{-4} - 2.29791 \times 10^{-5}\,\lambda^{-6} + 3.8044 \times 10^{-6}\,\lambda^{-8}}$$
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 Compare
H-ZLAF52 CDGM 1.806099 40.945389
P-LASF47 Schott 1.8061 40.9
K-VC89(M) Sumita 1.8059 40.9
H-ZLAF52A CDGM 1.8061 41.016887
K-VC181(M) Sumita 1.80614 41.1
D-ZLAF81-25 CDGM 1.80757 40.97334
M-NBFD13 Hoya 1.8061 40.740652
NBFD13 Hoya 1.8061 40.73
MC-NBFD130L Hoya 1.8061 40.73
M-NBFD130 Hoya 1.8061 40.73
Similar Glasses (Ohara)
Glass Manufacturer nd Vd Compare
S-LAH53V Ohara 1.806099 40.929791
S-LAH53 Ohara 1.806098 40.925996
L-LAH53 Ohara 1.806249 40.907302
L-LAH84 Ohara 1.80835 40.548503
L-LAH81 Ohara 1.8061 40.400738
L-LAH84P Ohara 1.81225 40.294279
S-LAH63 Ohara 1.804398 39.58615
LAH63 Ohara 1.804398 39.581254
S-LAH63Q Ohara 1.8044 39.580489
S-LAH52 Ohara 1.799516 42.225007
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