BACD50 by Hoya

Obsolete Unknown Environmentally Dangerous

BACD50 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.607 and a Vd of 54.982971. 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) 1.607
Abbe Number (Vd) 54.982971
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.53713 - 0.00953797\,\lambda^2 + 0.0163464\,\lambda^{-2} + 7.62371 \times 10^{-5}\,\lambda^{-4} + 2.84557 \times 10^{-5}\,\lambda^{-6} - 1.00576 \times 10^{-6}\,\lambda^{-8}}$$
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
S-BSM9 Ohara 1.614047 54.990097
BSM9 Ohara 1.614047 54.971106
SK9 Sumita 1.61405 55.1
H-ZK8 CDGM 1.61405 55.116283
H-ZK5 CDGM 1.61117 55.772437
SK8 Schott 1.611171 55.917724
SSK51 Schott 1.603607 53.631714
C17-55 Corning 1.617605 55.123455
BSM24 Ohara 1.617646 55.049782
K-SSK4 Sumita 1.61765 55.1
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
BACD9 Hoya 1.614047 55.118097
BACD8 Hoya 1.611168 55.774369
ADC2 Hoya 1.596998 55.291198
BACED4 Hoya 1.617652 55.15751
BACD6 Hoya 1.613753 56.377856
BACD1 Hoya 1.610248 56.650958
BACED1 Hoya 1.617203 53.945664
BACD2 Hoya 1.60738 56.72
BACED2 Hoya 1.6223 53.11226
BACD10 Hoya 1.622799 56.906336
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