BAF10 by Hoya

Special Very Rare Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.36501–1.5296 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.36501–1.5296 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.340–0.700 µm
Optical Properties
Refractive Index (nd) 1.67003
Abbe Number (Vd) 47.2
Dispersion Formula Schott
Wavelength Range 0.36501 — 1.5296 µm
$$n(\lambda) = \sqrt{2.73246 - 0.0124905\,\lambda^2 + 0.0185623\,\lambda^{-2} + 0.000999905\,\lambda^{-4} - 6.83886 \times 10^{-5}\,\lambda^{-6} + 4.92579 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 7.2
TCE 100/300°C (10-6/K) 8.6
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[6.13489 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.61
Relative Cost
Mechanical Properties
Young's Modulus (GPa)
Poisson's Ratio
Knoop Hardness (kgf/mm²)
Chemical Resistance
Climatic Resistance 1
Stain Resistance 1
Acid Resistance 2
Alkali Resistance
Phosphate Resistance
Notes

Not in a position to accept new order because of discontinuation.

Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
BAF10 Sumita 1.67003 47.2
H-ZBAF52 CDGM 1.67003 47.19506
S-BAH10 Ohara 1.670029 47.230916
BAH10 Ohara 1.670029 47.253429
C70-47 Corning 1.670005 47.112037
N-BAF10 Schott 1.67003 47.11
BAFN10 Schott 1.670031 47.108735
H-ZBAF5 CDGM 1.67103 47.288963
K-LCV93 Sumita 1.6652 47.3
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Similar Glasses (Hoya)
Glass Manufacturer nd Vd
BAF11 Hoya 1.66672 48.3
BAF21 Hoya 1.66422 48.941939
LAFL20 Hoya 1.68248 48.197606
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LAFL1 Hoya 1.686004 49.347081
ATF4 Hoya 1.653757 44.723072
BAF23 Hoya 1.652238 44.922169
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