LAL11 by Ohara

Obsolete Unknown Environmentally Friendly

LAL11 by Ohara is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.658296 and a Vd of 57.332589.

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) 1.658296
Abbe Number (Vd) 57.332589
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.70375 - 0.0117419\,\lambda^2 + 0.0158996\,\lambda^{-2} + 0.000612654\,\lambda^{-4} - 4.66768 \times 10^{-5}\,\lambda^{-6} + 2.6545 \times 10^{-6}\,\lambda^{-8}}$$
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
K-LaK11 Sumita 1.6583 57.3
LAK11 Sumita 1.6583 57.3
LAC11 Hoya 1.658296 57.262085
LAK11 Schott 1.658302 57.261599
H-LAK1 CDGM 1.6595 57.34726
C57-57 Corning 1.657503 57.198059
LAK7 Sumita 1.6516 58.3
K-LaK7 Sumita 1.6516 58.3
LAC7 Hoya 1.6516 58.4
H-LAK50A CDGM 1.6516 58.403057
Similar Glasses (Ohara)
Glass Manufacturer nd Vd Compare
S-LAL11 Ohara 1.658296 57.332589
S-LAL54Q Ohara 1.651 56.238379
LAL7 Ohara 1.651597 58.519433
S-LAL7Q Ohara 1.6516 58.544459
S-LAL7 Ohara 1.651597 58.550655
S-LAL54 Ohara 1.650996 56.163717
LAL54 Ohara 1.650996 56.154774
LAL52 Ohara 1.669999 57.327972
S-LAL52 Ohara 1.669999 57.327972
BSM36 Ohara 1.642495 58.369399
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