BAF3 by Hoya

Obsolete Unknown Environmentally Dangerous

BAF3 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.58267 and a Vd of 46.462286. 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) 1.58267
Abbe Number (Vd) 46.462286
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.4554 - 0.00790891\,\lambda^2 + 0.0158313\,\lambda^{-2} + 0.000990269\,\lambda^{-4} - 0.000103307\,\lambda^{-6} + 7.3112 \times 10^{-6}\,\lambda^{-8}}$$
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
BAF3 Schott 1.58267 46.469988
BAF3 Sumita 1.58267 46.5
S-BAM3 Ohara 1.582673 46.423175
BAM3 Ohara 1.582673 46.423092
BAF4 CDGM 1.582712 46.505886
H-BAF4 CDGM 1.58267 46.597786
N-BAF3 Schott 1.58272 46.64
BAFN6 Schott 1.589 48.45
KZFSN9 Schott 1.598557 46.903842
KZFS6 Schott 1.591965 48.509579
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
BAF6 Hoya 1.589003 48.543984
FEL3 Hoya 1.560125 47.090971
FEL4 Hoya 1.561379 45.226718
BAF2 Hoya 1.56965 49.392725
BAF7 Hoya 1.608013 46.212035
M-BAF41 Hoya 1.605777 43.98709
BAF4 Hoya 1.60562 43.87626
FL1 Hoya 1.573091 42.586108
FL6 Hoya 1.567324 42.843119
E-FL6 Hoya 1.56732 42.84
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