E-BACD10 by Hoya

Special Very Rare Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.36501–1.5296 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.36501–1.5296 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.290–1.550 µm
Optical Properties
Refractive Index (nd) 1.6228
Abbe Number (Vd) 56.91
Dispersion Formula Schott
Wavelength Range 0.36501 — 1.5296 µm
$$n(\lambda) = \sqrt{2.59063 - 0.010609\,\lambda^2 + 0.0144909\,\lambda^{-2} + 0.000675422\,\lambda^{-4} - 5.53031 \times 10^{-5}\,\lambda^{-6} + 3.00614 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.7
TCE 100/300°C (10-6/K) 8.2
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2.77178 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.66
Relative Cost
Mechanical Properties
Young's Modulus (GPa)
Poisson's Ratio
Knoop Hardness (kgf/mm²)
Chemical Resistance
Climatic Resistance 1
Stain Resistance 4
Acid Resistance 4
Alkali Resistance
Phosphate Resistance
Notes

Not in a position to accept new order because of discontinuation.

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Glass Manufacturer nd Vd
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N-SK10 Schott 1.62278 56.98
S-BSM10 Ohara 1.622799 57.052723
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Similar Glasses (Hoya)
Glass Manufacturer nd Vd
BACD10 Hoya 1.622799 56.906336
BACD15 Hoya 1.62299 58.12
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M-BACD15 Hoya 1.62263 58.17
BACD6 Hoya 1.613753 56.377856
BACD1 Hoya 1.610248 56.650958
BACED4 Hoya 1.617652 55.15751
BACD8 Hoya 1.611168 55.774369
BACD2 Hoya 1.60738 56.72
BACD9 Hoya 1.614047 55.118097
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