BAFD6 by Hoya

Obsolete Unknown Environmentally Dangerous

BAFD6 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.66755 and a Vd of 41.933458. 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) 1.66755
Abbe Number (Vd) 41.933458
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.71172 - 0.00848514\,\lambda^2 + 0.0236415\,\lambda^{-2} + 0.00028281\,\lambda^{-4} + 4.32478 \times 10^{-5}\,\lambda^{-6} + 4.31305 \times 10^{-7}\,\lambda^{-8}}$$
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
BASF6 Schott 1.667551 41.931404
BAH26 Ohara 1.667551 41.927521
ZBAF17 CDGM 1.667554 41.957211
BASF6 Sumita 1.66755 41.9
BASF57 Schott 1.651474 41.901823
C55-40 Corning 1.6555 40.115717
BAH32 Ohara 1.669979 39.279752
S-BAH32 Ohara 1.669979 39.271035
BASF12 Schott 1.669979 39.200523
BASF12 Sumita 1.66998 39.2
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
ADF8 Hoya 1.686498 42.863902
ADF50 Hoya 1.654118 39.624202
E-ADF50 Hoya 1.65412 39.62
BAF13 Hoya 1.668916 44.911265
BAF20 Hoya 1.685777 43.901833
NBFD38 Hoya 1.65253 39.48
ADF355 Hoya 1.6445 40.762285
ATF4 Hoya 1.653757 44.723072
BAF22 Hoya 1.682496 44.671672
BAFD10 Hoya 1.650157 39.343065
Compare Glasses
    Compare Selected