BACD3 by Hoya

Obsolete Unknown Environmentally Dangerous

BACD3 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.608812 and a Vd of 58.863994. 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) 1.608812
Abbe Number (Vd) 58.863994
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.54571 - 0.00920445\,\lambda^2 + 0.0153689\,\lambda^{-2} + 0.000103026\,\lambda^{-4} + 1.63055 \times 10^{-5}\,\lambda^{-6} - 4.72481 \times 10^{-7}\,\lambda^{-8}}$$
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-ZK4 CDGM 1.60881 58.855991
SK3 Sumita 1.60881 58.9
SK3 Schott 1.60881 58.921505
C09-59 Corning 1.608756 59.036803
K-PSK200(M) Sumita 1.61083 58.9
BSM4 Ohara 1.612716 58.749129
S-BSM4 Ohara 1.612716 58.716945
BSM7 Ohara 1.607291 59.375631
N-SK4 Schott 1.61272 58.63
SK4 Schott 1.61272 58.629829
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
BACD4 Hoya 1.61272 58.58
BACD7 Hoya 1.607292 59.474776
BACD14 Hoya 1.60311 60.7
MP-BACD15 Hoya 1.62263 58.17
M-BACD15 Hoya 1.62263 58.17
BACD15 Hoya 1.62299 58.12
BACD2 Hoya 1.60738 56.72
BACD16 Hoya 1.62041 60.35
BACD1 Hoya 1.610248 56.650958
BACD13 Hoya 1.59181 58.308789
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