BAH54 by Ohara

Obsolete Unknown Environmentally Dangerous

BAH54 by Ohara is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.695 and a Vd of 42.167111. 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) 1.695
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 Compare
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 Compare
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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