B52-67 by Corning

Standard Unknown Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.34–1.8 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.34–1.8 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.340–1.800 µm
Optical Properties
Refractive Index (nd) 1.552198
Abbe Number (Vd) 67.059229
Dispersion Formula Schott
Wavelength Range 0.34 — 1.8 µm
$$n(\lambda) = \sqrt{2.37706 - 0.0066671\,\lambda^2 + 0.0112323\,\lambda^{-2} + 0.000281445\,\lambda^{-4} - 1.92748 \times 10^{-5}\,\lambda^{-6} + 1.85763 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K)
TCE 100/300°C (10-6/K) 14.5
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.6 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.71
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
PSK50 Schott 1.557529 67.282893
K-PMK155(M) Sumita 1.55471 68.0
K-PMK155 Sumita 1.5582 68.2
QUARTZ-E Generic Birefringent 1.553398 68.797763
QUARTZ Generic Birefringent 1.544296 70.132045
P-PK53 Schott 1.5269 66.22
N-PSK3 Schott 1.55232 63.46
PSK3 Schott 1.552322 63.456253
PCD3 Hoya 1.55232 63.424095
S-FPM5 Ohara 1.552 70.697068
Similar Glasses (Corning)
Glass Manufacturer nd Vd
B58-72 Corning 1.558086 71.998499
B18-65 Corning 1.518199 65.115452
B16-64 Corning 1.516804 64.224234
B96-67 Corning 1.596306 67.398269
B64-61 Corning 1.564005 60.964853
B42-73 Corning 1.542198 73.473057
B10-63 Corning 1.509992 63.551713
B19-61 Corning 1.519061 61.386004
B39-59 Corning 1.539505 59.712433
B89-61 Corning 1.588998 61.218914
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