BAC6 by Hoya

Obsolete Unknown Environmentally Dangerous

BAC6 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.574441 and a Vd of 56.357089. 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) 1.574441
Abbe Number (Vd) 56.357089
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.43986 - 0.00972148\,\lambda^2 + 0.0135269\,\lambda^{-2} + 0.000432401\,\lambda^{-4} - 2.2571 \times 10^{-5}\,\lambda^{-6} + 1.48455 \times 10^{-6}\,\lambda^{-8}}$$
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-BAL14 Ohara 1.568832 56.363897
BAL14 Ohara 1.568832 56.339266
BAK4 Schott 1.56883 56.130661
H-BAK7A CDGM 1.568828 56.127804
H-BAK7 CDGM 1.56883 56.041308
H-BAK7GT CDGM 1.56883 56.041308
B69-56 Corning 1.568797 56.044859
BAK4 Sumita 1.56883 56.0
N-BAK4 Schott 1.56883 55.98
N-BAK4HT Schott 1.56883 55.98
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
BAC4 Hoya 1.56883 56.04
BAC1 Hoya 1.572497 57.488684
BAFL4 Hoya 1.579572 53.705963
BACD13 Hoya 1.59181 58.308789
ADC2 Hoya 1.596998 55.291198
BAC5 Hoya 1.556708 58.562365
BACD12 Hoya 1.583129 59.459639
M-BACD12 Hoya 1.58313 59.46
MP-BACD12 Hoya 1.58313 59.46
MC-BACD12 Hoya 1.58313 59.46
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