BACD1 by Hoya

Obsolete Unknown Environmentally Dangerous

BACD1 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.610248 and a Vd of 56.650958. 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) 1.610248
Abbe Number (Vd) 56.650958
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.54623 - 0.00767498\,\lambda^2 + 0.0171944\,\lambda^{-2} - 0.00020893\,\lambda^{-4} + 5.95279 \times 10^{-5}\,\lambda^{-6} - 2.53841 \times 10^{-6}\,\lambda^{-8}}$$
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 Compare
SK1 Schott 1.61025 56.712386
SK1 Sumita 1.61025 56.5
C07-57 Corning 1.607504 56.610495
SK2 Schott 1.607381 56.650108
N-SK2HT Schott 1.60738 56.65
N-SK2 Schott 1.60738 56.65
H-ZK50GT CDGM 1.60738 56.654511
H-ZK50 CDGM 1.60738 56.654511
SK2 Sumita 1.60738 56.7
BSM2 Ohara 1.607379 56.815789
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
BACD2 Hoya 1.60738 56.72
BACD6 Hoya 1.613753 56.377856
BACD8 Hoya 1.611168 55.774369
BACD9 Hoya 1.614047 55.118097
BACD10 Hoya 1.622799 56.906336
E-BACD10 Hoya 1.6228 56.91
BACD50 Hoya 1.607 54.982971
BACED4 Hoya 1.617652 55.15751
BACD4 Hoya 1.61272 58.58
BACD3 Hoya 1.608812 58.863994
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