LAM54 by Ohara

Obsolete Unknown Environmentally Friendly

LAM54 by Ohara is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.756998 and a Vd of 47.815604.

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) 1.756998
Abbe Number (Vd) 47.815604
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{3.01999 - 0.0157775\,\lambda^2 + 0.0226913\,\lambda^{-2} + 0.000935057\,\lambda^{-4} - 5.62671 \times 10^{-5}\,\lambda^{-6} + 4.08461 \times 10^{-6}\,\lambda^{-8}}$$
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
LAFN24 Schott 1.757191 47.81177
NBF2 Hoya 1.756999 47.712499
H-LAF6LA CDGM 1.757 47.711817
LAFN8 Sumita 1.756 47.6
K-LaFK50T(M) Sumita 1.76209 49.6
D-LAF050-25 CDGM 1.76709 49.197491
M-TAF101 Hoya 1.76802 49.24
D-LAF050 CDGM 1.76842 49.28216
P-LAF37 Schott 1.7555 45.66
MC-TAF101-100 Hoya 1.76902 49.29
Similar Glasses (Ohara)
Glass Manufacturer nd Vd Compare
S-LAM54 Ohara 1.756998 47.82317
S-LAH96 Ohara 1.76385 48.488692
L-LAH91 Ohara 1.7645 49.096913
L-LAH87 Ohara 1.7703 47.401904
L-LAM60 Ohara 1.743198 49.295578
LAM60 Ohara 1.743198 49.309053
S-LAM60 Ohara 1.743198 49.339444
S-LAH66 Ohara 1.772499 49.598371
LAH66 Ohara 1.772499 49.60134
L-LAM72 Ohara 1.733099 48.896607
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