BAFL3 by Hoya

Obsolete Unknown Environmentally Dangerous

BAFL3 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.571348 and a Vd of 52.982526. 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) 1.571348
Abbe Number (Vd) 52.982526
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.42715 - 0.00845827\,\lambda^2 + 0.0141121\,\lambda^{-2} + 0.000582803\,\lambda^{-4} - 4.37301 \times 10^{-5}\,\lambda^{-6} + 2.79868 \times 10^{-6}\,\lambda^{-8}}$$
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
BAL3 Ohara 1.571351 52.968158
BALF3 Sumita 1.57135 53.0
S-BAL3 Ohara 1.571351 52.952106
BALF4 Schott 1.579569 53.708241
H-BAF3 CDGM 1.57957 53.711637
N-BALF4 Schott 1.57956 53.87
BPG2 Sumita 1.5592 53.9
K-BPG2 Sumita 1.5592 53.9
B58-53 Corning 1.557511 52.533062
N-KZFS2 Schott 1.55836 54.01
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
ADF1 Hoya 1.564997 52.958253
BAFL4 Hoya 1.579572 53.705963
BAFL2 Hoya 1.570989 50.858935
BAFL6 Hoya 1.589036 52.935166
BAC4 Hoya 1.56883 56.04
BAC6 Hoya 1.574441 56.357089
BAF2 Hoya 1.56965 49.392725
ADC2 Hoya 1.596998 55.291198
SBF1 Hoya 1.551151 49.517289
BAC1 Hoya 1.572497 57.488684
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