BAM5 by Ohara

Obsolete Unknown Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.3–2.4 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.3–2.4 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.320–0.900 µm
Optical Properties
Refractive Index (nd) 1.607289
Abbe Number (Vd) 49.188575
Dispersion Formula Schott
Wavelength Range 0.3 — 2.4 µm
$$n(\lambda) = \sqrt{2.5337 - 0.0090417\,\lambda^2 + 0.0168518\,\lambda^{-2} + 0.000510054\,\lambda^{-4} - 1.76513 \times 10^{-5}\,\lambda^{-6} + 1.86654 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 8.1
TCE 100/300°C (10-6/K) 9.1
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.33 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.39
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance —
Stain Resistance —
Acid Resistance 52
Alkali Resistance —
Phosphate Resistance 2
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
BAF5 Sumita 1.60729 49.3
BAF5 Hoya 1.607292 49.336899
K-SKLD310 Sumita 1.6042 48.9
K-SKLD310(M) Sumita 1.60132 49.0
LAF50 Hoya 1.60199 50.21
C0550 Corning 1.605004 50.419332
C05-50 Corning 1.605004 50.419332
SSKN8 Schott 1.61772 49.771451
N-SSK8 Schott 1.61773 49.83
SSK9 Sumita 1.62012 49.8
Similar Glasses (Ohara)
Glass Manufacturer nd Vd
S-BSM28 Ohara 1.617722 49.815052
BSM28 Ohara 1.617722 49.83232
BSM23 Ohara 1.614839 51.172377
BAM8 Ohara 1.62374 47.09722
BAL7 Ohara 1.58875 51.179278
S-BAM3 Ohara 1.582673 46.423175
BAM3 Ohara 1.582673 46.423092
S-BSM22 Ohara 1.622296 53.169067
BSM22 Ohara 1.622296 53.186644
S-NBM51 Ohara 1.613397 44.267706
Compare Glasses
    Compare Selected