PBM11 by Ohara

Obsolete Unknown Environmentally Dangerous

PBM11 by Ohara is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.620955 and a Vd of 35.880852. 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) 1.620955
Abbe Number (Vd) 35.880852
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.56136 - 0.0120074\,\lambda^2 + 0.0207804\,\lambda^{-2} + 0.00142561\,\lambda^{-4} - 0.000110275\,\lambda^{-6} + 1.14778 \times 10^{-5}\,\lambda^{-8}}$$
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
F11 Hoya 1.620962 35.947308
F13 Schott 1.622372 36.043399
FN11 Schott 1.620962 36.179463
F2 Sumita 1.62004 36.3
E-F2 Hoya 1.62004 36.3
C20-36 Corning 1.62001 36.30126
F2 Hoya 1.62004 36.303385
H-F5 CDGM 1.62435 35.923444
F5 CDGM 1.624353 35.938411
H-F4 CDGM 1.62005 36.345886
Similar Glasses (Ohara)
Glass Manufacturer nd Vd Compare
TIM11 Ohara 1.620955 35.880852
PBM2 Ohara 1.620041 36.256658
S-TIM2 Ohara 1.620041 36.263378
PBM2Y Ohara 1.620041 36.269263
PBM1 Ohara 1.625882 35.700668
S-TIM1 Ohara 1.625882 35.699614
PBM4 Ohara 1.616588 36.632973
PBM3 Ohara 1.612929 36.994096
S-TIM3 Ohara 1.612929 37.005342
S-TIM6 Ohara 1.636358 35.391923
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