LAM60 by Ohara

Obsolete Unknown Environmentally Friendly

LAM60 by Ohara is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.743198 and a Vd of 49.309053.

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) 1.743198
Abbe Number (Vd) 49.309053
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.9745 - 0.0148985\,\lambda^2 + 0.0220589\,\lambda^{-2} + 0.000749207\,\lambda^{-4} - 4.21047 \times 10^{-5}\,\lambda^{-6} + 3.10487 \times 10^{-6}\,\lambda^{-8}}$$
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
D-LAF53 CDGM 1.7433 49.325949
MP-NBF1 Hoya 1.7433 49.33
M-NBF1 Hoya 1.7433 49.33
MC-NBF1 Hoya 1.7433 49.33
H-LAF53 CDGM 1.7433 49.221808
NBF1 Hoya 1.7433 49.22
N-LAF35 Schott 1.7433 49.4
K-LaFn5 Sumita 1.743 49.2
LAFN5 Sumita 1.743 49.2
D-LAF53-25 CDGM 1.7421 49.246024
Similar Glasses (Ohara)
Glass Manufacturer nd Vd Compare
L-LAM60 Ohara 1.743198 49.295578
S-LAM60 Ohara 1.743198 49.339444
L-LAM72 Ohara 1.733099 48.896607
S-LAM54 Ohara 1.756998 47.82317
LAM54 Ohara 1.756998 47.815604
S-LAL59 Ohara 1.733997 51.47057
LAL59 Ohara 1.733997 51.488026
L-LAH91 Ohara 1.7645 49.096913
S-LAH96 Ohara 1.76385 48.488692
S-LAL10 Ohara 1.719995 50.230564
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