BAFD5 by Hoya

Obsolete Unknown Environmentally Dangerous

BAFD5 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.603232 and a Vd of 42.391075. 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) 1.603232
Abbe Number (Vd) 42.391075
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.51374 - 0.00911116\,\lambda^2 + 0.0187448\,\lambda^{-2} + 0.00068461\,\lambda^{-4} - 2.00794 \times 10^{-5}\,\lambda^{-6} + 2.90587 \times 10^{-6}\,\lambda^{-8}}$$
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
BAM25 Ohara 1.60323 42.320943
BASF5 Sumita 1.60323 42.5
K-BaSF5 Sumita 1.60323 42.5
GEO2 Generic IR 1.608459 41.728763
S-BAM4 Ohara 1.60562 43.706978
N-BAF4 Schott 1.60568 43.72
BAM4 Ohara 1.60562 43.723021
H-BAF5 CDGM 1.60562 43.875621
BAF5 CDGM 1.605623 43.890292
BAF4 Sumita 1.60562 43.9
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
BAFD16 Hoya 1.6 42.456745
BAF4 Hoya 1.60562 43.87626
M-BAF41 Hoya 1.605777 43.98709
BAFD3 Hoya 1.607171 40.359687
ADF40 Hoya 1.6134 44.290061
E-ADF10 Hoya 1.6131 44.36
ADF10 Hoya 1.613102 44.361138
LAF45 Hoya 1.61396 44.29
ADF4 Hoya 1.612498 44.873885
FL3 Hoya 1.58215 42.028564
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