BAH54 by Ohara

Obsolete Unknown Environmentally Dangerous
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.

Optical Properties
Refractive Index (nd) 1.695
Abbe Number (Vd) 42.167111
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.80277 - 0.0114414\,\lambda^2 + 0.0238302\,\lambda^{-2} + 0.000573227\,\lambda^{-4} + 1.1516 \times 10^{-5}\,\lambda^{-6} + 1.20659 \times 10^{-6}\,\lambda^{-8}}$$
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
ADF8 Hoya 1.686498 42.863902
BAFD7 Hoya 1.70154 41.15
H-ZBAF20 CDGM 1.70154 41.148468
BASF7 Sumita 1.70154 41.1
D01-41 Corning 1.701805 41.110216
BASF52 Schott 1.70181 41.010234
BAF20 Hoya 1.685777 43.901833
BAFD15 Hoya 1.701999 40.195943
LAFL4 Hoya 1.712704 43.295113
BAF50 Schott 1.682726 44.503507
Similar Glasses (Ohara)
Glass Manufacturer nd Vd
S-BAH54 Ohara 1.695 42.167111
BAH27 Ohara 1.701536 41.242277
S-BAH27 Ohara 1.701536 41.23944
BAH77 Ohara 1.701539 41.21001
BAH71 Ohara 1.701998 40.097173
LAM58 Ohara 1.72 41.989859
S-LAM58 Ohara 1.72 41.978463
S-LAM52 Ohara 1.72 43.689812
LAM52 Ohara 1.72 43.705625
BAH26 Ohara 1.667551 41.927521
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