BACD8 by Hoya

Obsolete Unknown Environmentally Dangerous

BACD8 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.611168 and a Vd of 55.774369. 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) 1.611168
Abbe Number (Vd) 55.774369
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.55079 - 0.00904573\,\lambda^2 + 0.015942\,\lambda^{-2} + 0.000226657\,\lambda^{-4} + 4.02691 \times 10^{-6}\,\lambda^{-6} + 2.22064 \times 10^{-7}\,\lambda^{-8}}$$
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
H-ZK5 CDGM 1.61117 55.772437
SK8 Schott 1.611171 55.917724
BSM6 Ohara 1.613749 56.365919
SK6 Schott 1.61375 56.397311
C13-56 Corning 1.613498 56.417725
SK1 Sumita 1.61025 56.5
H-ZK8 CDGM 1.61405 55.116283
SK9 Sumita 1.61405 55.1
S-BSM9 Ohara 1.614047 54.990097
BSM9 Ohara 1.614047 54.971106
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
BACD6 Hoya 1.613753 56.377856
BACD9 Hoya 1.614047 55.118097
BACD1 Hoya 1.610248 56.650958
BACD50 Hoya 1.607 54.982971
BACED4 Hoya 1.617652 55.15751
BACD2 Hoya 1.60738 56.72
BACD10 Hoya 1.622799 56.906336
E-BACD10 Hoya 1.6228 56.91
ADC2 Hoya 1.596998 55.291198
BACED1 Hoya 1.617203 53.945664
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