PBL6 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: 0.300–0.700 µm
Optical Properties
Refractive Index (nd) 1.531717
Abbe Number (Vd) 48.904553
Dispersion Formula Schott
Wavelength Range 0.3 — 2.4 µm
$$n(\lambda) = \sqrt{2.30367 - 0.00760284\,\lambda^2 + 0.0148112\,\lambda^{-2} + 0.000241825\,\lambda^{-4} + 4.8393 \times 10^{-6}\,\lambda^{-6} + 8.93954 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 8.3
TCE 100/300°C (10-6/K) 9.0
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.435 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) 2.79
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
LLF6 Sumita 1.53172 48.9
N-LLF6 Schott 1.531688 48.895238
E-FEL6 Hoya 1.53172 48.84
H-QF6A CDGM 1.53172 48.839833
FEL6 Hoya 1.53172 48.837531
LLF6HT Schott 1.531739 48.974492
LLF6 Schott 1.531719 48.762595
QF6 CDGM 1.531719 48.755584
H-QF8 CDGM 1.54072 47.230007
LLF2 Sumita 1.54072 47.2
Similar Glasses (Ohara)
Glass Manufacturer nd Vd
PBL6Y Ohara 1.531717 48.956017
S-TIL6 Ohara 1.531717 48.840718
PBL2 Ohara 1.54072 47.23368
S-TIL2 Ohara 1.54072 47.227127
SSL2 Ohara 1.529441 51.722557
FTM8 Ohara 1.532565 45.914102
FTL8 Ohara 1.511179 51.020607
S-TIL1 Ohara 1.548141 45.784277
PBL1 Ohara 1.548141 45.781144
PBL1Y Ohara 1.548141 45.733282
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