BSL22 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: 0.300–0.900 µm
Optical Properties
Refractive Index (nd) 1.518206
Abbe Number (Vd) 65.039654
Dispersion Formula Schott
Wavelength Range 0.3 — 2.4 µm
$$n(\lambda) = \sqrt{2.27395 - 0.00911601\,\lambda^2 + 0.0122688\,\lambda^{-2} - 0.000316779\,\lambda^{-4} + 6.00752 \times 10^{-5}\,\lambda^{-6} - 2.80982 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 7.1
TCE 100/300°C (10-6/K) 8.2
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.313 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
Physical Properties
Density (g/cm³) 2.52
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
PK2 Schott 1.518211 65.054286
B18-65 Corning 1.518199 65.115452
PC2 Hoya 1.51821 65.160509
UBK7 Schott 1.516801 64.289727
B16-64 Corning 1.516804 64.224234
BSC7 Hoya 1.5168 64.2
H-K9L* CDGM 1.5168 64.198732
H-K9L CDGM 1.5168 64.198732
H-K9LGT CDGM 1.5168 64.198732
H-K9LA CDGM 1.5168 64.198695
Similar Glasses (Ohara)
Glass Manufacturer nd Vd
BSL7Y Ohara 1.51633 64.243778
BSL7 Ohara 1.51633 64.150145
S-BSL7 Ohara 1.51633 64.142022
L-BSL7 Ohara 1.51633 64.065129
S-BSL7R Ohara 1.51633 63.881689
BSL1 Ohara 1.510091 63.635037
BSL21 Ohara 1.503779 66.814545
BSL3 Ohara 1.498308 65.026785
S-APL Ohara 1.517277 69.56319
APL1 Ohara 1.517277 69.563209
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