LAC11 by Hoya

Obsolete Unknown Environmentally Dangerous

LAC11 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.658296 and a Vd of 57.262085. It has dangerous environmental properties.

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) 57.262085
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.70207 - 0.0116999\,\lambda^2 + 0.0172658\,\lambda^{-2} + 0.000221678\,\lambda^{-4} + 3.3572 \times 10^{-7}\,\lambda^{-6} + 4.77303 \times 10^{-7}\,\lambda^{-8}}$$
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
LAK11 Schott 1.658302 57.261599
K-LaK11 Sumita 1.6583 57.3
LAK11 Sumita 1.6583 57.3
S-LAL11 Ohara 1.658296 57.332589
LAL11 Ohara 1.658296 57.332589
C57-57 Corning 1.657503 57.198059
H-LAK1 CDGM 1.6595 57.34726
LAK7 Sumita 1.6516 58.3
K-LaK7 Sumita 1.6516 58.3
S-LAL54Q Ohara 1.651 56.238379
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
LAC7 Hoya 1.6516 58.4
LACL7 Hoya 1.669996 57.308358
LACL2 Hoya 1.650201 55.737216
LAC6 Hoya 1.642498 57.959359
LACL1 Hoya 1.640851 56.835319
LAC12 Hoya 1.6779 55.52
BACD18 Hoya 1.63854 55.45
MP-PCD55AR Hoya 1.63858 55.18
M-PCD55AR Hoya 1.63858 55.18
LACL6 Hoya 1.640003 60.153568
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