BACED2 by Hoya

Obsolete Unknown Environmentally Dangerous
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.

Optical Properties
Refractive Index (nd) 1.6223
Abbe Number (Vd) 53.11226
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.5797 - 0.00728536\,\lambda^2 + 0.0193791\,\lambda^{-2} - 0.000414263\,\lambda^{-4} + 9.38402 \times 10^{-5}\,\lambda^{-6} - 3.78561 \times 10^{-6}\,\lambda^{-8}}$$
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
SSK2 Sumita 1.6223 53.1
SSK2 Schott 1.622301 53.154887
C23-53 Corning 1.622502 53.14721
S-BSM22 Ohara 1.622296 53.169067
H-ZBAF1 CDGM 1.6223 53.170869
BSM22 Ohara 1.622296 53.186644
N-SSK2 Schott 1.62229 53.27
SSK50 Schott 1.617954 52.609086
SSK1 Schott 1.617201 53.912403
H-ZK20 CDGM 1.6172 53.913743
Similar Glasses (Hoya)
Glass Manufacturer nd Vd
BACED1 Hoya 1.617203 53.945664
BACED4 Hoya 1.617652 55.15751
BACED3 Hoya 1.614838 51.1513
BACD9 Hoya 1.614047 55.118097
BACD50 Hoya 1.607 54.982971
M-PCD55AR Hoya 1.63858 55.18
MP-PCD55AR Hoya 1.63858 55.18
BACD8 Hoya 1.611168 55.774369
BACD18 Hoya 1.63854 55.45
BACED9 Hoya 1.620119 49.823001
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