BACD11 by Hoya

Special Rare Environmentally Dangerous
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: 0.280–1.550 µm
Optical Properties
Refractive Index (nd) 1.56384
Abbe Number (Vd) 60.83
Dispersion Formula Schott
Wavelength Range 0.36501 — 1.5296 µm
$$n(\lambda) = \sqrt{2.40952 - 0.00919044\,\lambda^2 + 0.01294\,\lambda^{-2} + 0.000234614\,\lambda^{-4} - 1.11306 \times 10^{-5}\,\lambda^{-6} + 1.01319 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.6
TCE 100/300°C (10-6/K) 7.8
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.66577 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.07
Relative Cost
Mechanical Properties
Young's Modulus (GPa)
Poisson's Ratio
Knoop Hardness (kgf/mm²)
Chemical Resistance
Climatic Resistance 1
Stain Resistance 2
Acid Resistance 2
Alkali Resistance
Phosphate Resistance
Notes

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

Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
N-SK11 Schott 1.56384 60.8
SK11 Sumita 1.56384 60.8
SK11 Schott 1.56384 60.798869
H-BAK6 CDGM 1.56388 60.764747
L-PHL1 Ohara 1.56455 60.818065
BAL41 Ohara 1.563839 60.695914
B64-61 Corning 1.564005 60.964853
S-BAL41 Ohara 1.563839 60.666575
P-SK11 Sumita 1.5658 61.0
K-PSK11 Sumita 1.5658 61.0
Similar Glasses (Hoya)
Glass Manufacturer nd Vd
PCD2 Hoya 1.56873 63.105028
BAC5 Hoya 1.556708 58.562365
M-BACD12 Hoya 1.58313 59.46
MC-BACD12 Hoya 1.58313 59.46
MP-BACD12 Hoya 1.58313 59.46
BACD12 Hoya 1.583129 59.459639
PCD3 Hoya 1.55232 63.424095
BAC2 Hoya 1.539961 59.721586
MP-BACD5N Hoya 1.58913 61.25
MC-BACD5N Hoya 1.58913 61.25
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