B11-60 by Corning

Standard Unknown Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.28–1.8 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.28–1.8 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.280–1.800 µm
Optical Properties
Refractive Index (nd) 1.510999
Abbe Number (Vd) 60.383147
Dispersion Formula Schott
Wavelength Range 0.28 — 1.8 µm
$$n(\lambda) = \sqrt{2.25059 - 0.00815577\,\lambda^2 + 0.0121844\,\lambda^{-2} - 8.65637 \times 10^{-5}\,\lambda^{-4} + 3.74985 \times 10^{-5}\,\lambda^{-6} - 1.85024 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 8.1
TCE 100/300°C (10-6/K) 9.2
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 2.48
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
K7 Schott 1.51112 60.41
K7HT Schott 1.511144 60.466081
H-K6 CDGM 1.511125 60.478905
NSL7 Ohara 1.511121 60.485793
C7 Hoya 1.511122 60.485929
K7 Sumita 1.51112 60.5
H-K7 CDGM 1.51478 60.634896
N-ZK7A Schott 1.508054 61.04
K4A CDGM 1.50802 61.052897
ZKN7 Schott 1.508469 61.187789
Similar Glasses (Corning)
Glass Manufacturer nd Vd
B18-60 Corning 1.518201 60.291781
B19-61 Corning 1.519061 61.386004
B23-59 Corning 1.522996 59.479482
B10-63 Corning 1.509992 63.551713
B16-64 Corning 1.516804 64.224234
B39-59 Corning 1.539505 59.712433
B18-65 Corning 1.518199 65.115452
A88-66 Corning 1.487502 65.807152
B64-61 Corning 1.564005 60.964853
A63-65 Corning 1.464501 65.763211
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