BAM23 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) 1.607167
Abbe Number (Vd) 40.26316
Dispersion Formula Schott
Wavelength Range 0.3 — 2.4 µm
$$n(\lambda) = \sqrt{2.52222 - 0.00872702\,\lambda^2 + 0.0201773\,\lambda^{-2} + 0.000618395\,\lambda^{-4} + 1.80639 \times 10^{-7}\,\lambda^{-6} + 2.01595 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 8.9
TCE 100/300°C (10-6/K) 10.3
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[2.923 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.48
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance —
Stain Resistance —
Acid Resistance 1
Alkali Resistance —
Phosphate Resistance 1
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
BASF3 Sumita 1.60717 40.2
BAFD3 Hoya 1.607171 40.359687
BAF7 CDGM 1.614131 40.025731
H-BAF7 CDGM 1.61413 39.985319
GEO2 Generic IR 1.608459 41.728763
LF5G19 Schott 1.59655 39.89
H-QF14 CDGM 1.59551 39.222748
F8 Hoya 1.595514 39.221686
E-F8 Hoya 1.59551 39.22
F8 Sumita 1.59551 39.2
Similar Glasses (Ohara)
Glass Manufacturer nd Vd
PBM8Y Ohara 1.595509 39.260208
S-TIM8 Ohara 1.595509 39.242273
PBM8 Ohara 1.595508 39.213424
BAM25 Ohara 1.60323 42.320943
PBM18Y Ohara 1.595509 38.767114
S-NBM52 Ohara 1.622049 41.079324
S-TIM5 Ohara 1.60342 38.027347
PBM5 Ohara 1.60342 38.012915
PBL22 Ohara 1.589206 41.07921
BAM21 Ohara 1.626059 39.215631
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