BACD7 by Hoya

Obsolete Unknown Environmentally Dangerous

BACD7 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.607292 and a Vd of 59.474776. 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) 1.607292
Abbe Number (Vd) 59.474776
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.54265 - 0.00989384\,\lambda^2 + 0.0143905\,\lambda^{-2} + 0.000329735\,\lambda^{-4} - 1.47803 \times 10^{-5}\,\lambda^{-6} + 9.24778 \times 10^{-7}\,\lambda^{-8}}$$
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
SK7 Schott 1.60729 59.459272
K-SK7 Sumita 1.60729 59.5
SK7 Sumita 1.60729 59.5
BSM7 Ohara 1.607291 59.375631
C09-59 Corning 1.608756 59.036803
SK3 Schott 1.60881 58.921505
SK3 Sumita 1.60881 58.9
H-ZK4 CDGM 1.60881 58.855991
K-PSK200(M) Sumita 1.61083 58.9
K-PSK200 Sumita 1.61305 59.0
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
BACD3 Hoya 1.608812 58.863994
BACD4 Hoya 1.61272 58.58
BACD14 Hoya 1.60311 60.7
BACD16 Hoya 1.62041 60.35
FCD600 Hoya 1.5941 60.47
BACD13 Hoya 1.59181 58.308789
M-BACD15 Hoya 1.62263 58.17
MP-BACD15 Hoya 1.62263 58.17
BACD15 Hoya 1.62299 58.12
BACD2 Hoya 1.60738 56.72
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