BAM25 by Ohara

Obsolete Unknown Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.365–0.9 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.365–0.9 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.360–0.900 µm
Optical Properties
Refractive Index (nd) 1.60323
Abbe Number (Vd) 42.320943
Dispersion Formula Schott
Wavelength Range 0.365 — 0.9 µm
$$n(\lambda) = \sqrt{2.51348 - 0.00873964\,\lambda^2 + 0.0186819\,\lambda^{-2} + 0.000747089\,\lambda^{-4} - 3.0476 \times 10^{-5}\,\lambda^{-6} + 3.39904 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 8.4
TCE 100/300°C (10-6/K) 9.5
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2.6357 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.46
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
BAFD5 Hoya 1.603232 42.391075
BASF5 Sumita 1.60323 42.5
K-BaSF5 Sumita 1.60323 42.5
BAFD16 Hoya 1.6 42.456745
GEO2 Generic IR 1.608459 41.728763
N-BAF4 Schott 1.60568 43.72
H-BAF5 CDGM 1.60562 43.875621
BAF4 Hoya 1.60562 43.87626
BAF5 CDGM 1.605623 43.890292
BAF4 Sumita 1.60562 43.9
Similar Glasses (Ohara)
Glass Manufacturer nd Vd
S-BAM4 Ohara 1.60562 43.706978
BAM4 Ohara 1.60562 43.723021
BPM4 Ohara 1.6134 43.841533
BAM23 Ohara 1.607167 40.26316
PBL22 Ohara 1.589206 41.07921
BPM51 Ohara 1.613397 44.266767
S-NBM51 Ohara 1.613397 44.267706
S-NBM52 Ohara 1.622049 41.079324
PBM8Y Ohara 1.595509 39.260208
S-TIM8 Ohara 1.595509 39.242273
Compare Glasses
    Compare Selected