LAL13 by Ohara

Obsolete Unknown Environmentally Friendly

LAL13 by Ohara is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.693501 and a Vd of 53.231566.

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) 1.693501
Abbe Number (Vd) 53.231566
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.81425 - 0.0136457\,\lambda^2 + 0.018725\,\lambda^{-2} + 0.000563803\,\lambda^{-4} - 2.85271 \times 10^{-5}\,\lambda^{-6} + 1.82272 \times 10^{-6}\,\lambda^{-8}}$$
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
MP-LAC130 Hoya 1.6935 53.2
M-LAC130 Hoya 1.6935 53.2
P-LAK35 Schott 1.6935 53.2
MC-LAC130 Hoya 1.6935 53.2
LAKN13 Schott 1.693501 53.330054
LAC13 Hoya 1.6935 53.34
D-LAK6 CDGM 1.69384 53.128245
K-VC80 Sumita 1.69384 53.1
H-LAK6A CDGM 1.6935 53.380441
LAK13 Sumita 1.6935 53.4
Similar Glasses (Ohara)
Glass Manufacturer nd Vd Compare
S-LAL13 Ohara 1.693501 53.205327
L-LAL13 Ohara 1.6935 53.185799
L-LAL15 Ohara 1.69304 52.9306
S-LAL21 Ohara 1.703 52.379403
S-LAL9 Ohara 1.691002 54.822578
LAL9 Ohara 1.691002 54.84322
S-LAL20 Ohara 1.6993 51.112184
LAL14 Ohara 1.696796 55.528037
S-LAL14 Ohara 1.696797 55.532241
S-LAL58 Ohara 1.693495 50.810652
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