BAF7 by Hoya

Obsolete Unknown Environmentally Dangerous

BAF7 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.608013 and a Vd of 46.212035. 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) 1.608013
Abbe Number (Vd) 46.212035
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.53022 - 0.00763692\,\lambda^2 + 0.019461\,\lambda^{-2} + 7.99363 \times 10^{-5}\,\lambda^{-4} + 4.71544 \times 10^{-5}\,\lambda^{-6} - 8.47427 \times 10^{-7}\,\lambda^{-8}}$$
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
H-BAF6 CDGM 1.60801 46.202418
BAF52 Schott 1.608589 46.44241
N-BAF52 Schott 1.60863 46.6
K-LCV161(M) Sumita 1.61477 45.6
KZFSN9 Schott 1.598557 46.903842
K-LCV161 Sumita 1.6182 45.3
N-KZFS4 Schott 1.61336 44.49
N-KZFS4HT Schott 1.61336 44.49
C13-44 Corning 1.613394 44.386543
KZFS1 Schott 1.613099 44.339473
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
ADF4 Hoya 1.612498 44.873885
ADF10 Hoya 1.613102 44.361138
E-ADF10 Hoya 1.6131 44.36
ADF40 Hoya 1.6134 44.290061
LAF45 Hoya 1.61396 44.29
M-BAF41 Hoya 1.605777 43.98709
E-BAF8 Hoya 1.62374 47.05
BAF8 Hoya 1.623739 47.054197
BAF4 Hoya 1.60562 43.87626
BAF5 Hoya 1.607292 49.336899
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