LAM66 by Ohara

Obsolete Unknown Environmentally Friendly

LAM66 by Ohara is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.800999 and a Vd of 34.965762.

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) 1.800999
Abbe Number (Vd) 34.965762
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{3.14371 - 0.01562\,\lambda^2 + 0.0318938\,\lambda^{-2} + 0.00171961\,\lambda^{-4} - 9.69951 \times 10^{-5}\,\lambda^{-6} + 1.16809 \times 10^{-5}\,\lambda^{-8}}$$
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-ZLAF66GT CDGM 1.801 34.966919
H-ZLAF66 CDGM 1.801 34.966919
N-LASF45 Schott 1.80107 34.97
N-LASF45HT Schott 1.80107 34.97
LASF36A Schott 1.797117 35.080117
LASF33 Schott 1.805958 34.242133
NBFD8 Hoya 1.807401 35.542096
NBFD15-W Hoya 1.8061 33.27
NBFD15 Hoya 1.8061 33.27
H-ZLAF56B CDGM 1.8061 33.268324
Similar Glasses (Ohara)
Glass Manufacturer nd Vd Compare
S-LAM66 Ohara 1.800999 34.967403
S-LAM73 Ohara 1.7936 37.08945
S-LAH63Q Ohara 1.8044 39.580489
LAH63 Ohara 1.804398 39.581254
S-LAH63 Ohara 1.804398 39.58615
S-NBH59 Ohara 1.766342 35.82343
S-LAH60 Ohara 1.834 37.160487
LAH60 Ohara 1.834 37.166863
S-LAH60MQ Ohara 1.833999 37.172099
S-LAH60V Ohara 1.833999 37.206855
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