K-LCV161 by Sumita

Standard Rare Precision Molding Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.36–1.55 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.36–1.55 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.320–2.000 µm
Optical Properties
Refractive Index (nd) 1.6182
Abbe Number (Vd) 45.3
Dispersion Formula Schott
Wavelength Range 0.36 — 1.55 µm
$$n(\lambda) = \sqrt{2.56384 - 0.0102935\,\lambda^2 + 0.0186976\,\lambda^{-2} + 0.000475182\,\lambda^{-4} - 1.16391 \times 10^{-8}\,\lambda^{-6} + 1.9576 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 5.0
TCE 100/300°C (10-6/K) 6.7
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.17 \times 10^{-5} + 2(1.24 \times 10^{-8})\,\Delta T + 3(-2.65 \times 10^{-10})\,\Delta T^2 + \frac{6.56 \times 10^{-7} + 2(6.54 \times 10^{-10})\,\Delta T}{\lambda - 0.238}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.26
Relative Cost
Mechanical Properties
Young's Modulus (GPa)
Poisson's Ratio
Knoop Hardness (kgf/mm²)
Chemical Resistance
Climatic Resistance 2
Stain Resistance
Acid Resistance 4
Alkali Resistance
Phosphate Resistance
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
ADF4 Hoya 1.612498 44.873885
C16-44 Corning 1.616002 44.416477
N-KZFS4HT Schott 1.61336 44.49
N-KZFS4 Schott 1.61336 44.49
C13-44 Corning 1.613394 44.386543
LAF45 Hoya 1.61396 44.29
ADF10 Hoya 1.613102 44.361138
E-ADF10 Hoya 1.6131 44.36
KZFS1 Schott 1.613099 44.339473
ADF40 Hoya 1.6134 44.290061
Similar Glasses (Sumita)
Glass Manufacturer nd Vd
K-LCV161(M) Sumita 1.61477 45.6
KZFS4 Sumita 1.6134 43.8
K-BaF8 Sumita 1.62374 47.1
BAF8 Sumita 1.62374 47.1
BAF4 Sumita 1.60562 43.9
BAF12 Sumita 1.6393 45.0
K-BaSF5 Sumita 1.60323 42.5
BASF5 Sumita 1.60323 42.5
K-SKLD310 Sumita 1.6042 48.9
BAF9 Sumita 1.64328 47.8
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