C51-39 by Corning

Obsolete Unknown Environmentally Friendly
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.

Optical Properties
Refractive Index (nd) 1.650206
Abbe Number (Vd) 39.193419
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.65257 - 0.00892928\,\lambda^2 + 0.0241154\,\lambda^{-2} + 0.000322818\,\lambda^{-4} + 4.45374 \times 10^{-5}\,\lambda^{-6} + 7.60726 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K)
TCE 100/300°C (10-6/K)
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
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
BASF10 Schott 1.65016 39.148818
BASF10 Sumita 1.65016 39.3
BAFD10 Hoya 1.650157 39.343065
BAH30 Ohara 1.650158 39.390461
NBFD38 Hoya 1.65253 39.48
H-TF5 CDGM 1.6541 39.539424
E-ADF50 Hoya 1.65412 39.62
ADF50 Hoya 1.654118 39.624202
KZFSN5 Schott 1.65412 39.63
S-NBH5 Ohara 1.654115 39.682794
Similar Glasses (Corning)
Glass Manufacturer nd Vd
C55-40 Corning 1.6555 40.115717
C38-42 Corning 1.637752 42.433862
C37-35 Corning 1.636493 35.322642
C26-36 Corning 1.625903 35.60701
C20-36 Corning 1.62001 36.30126
C48-34 Corning 1.647992 33.943274
C04-38 Corning 1.603499 38.110538
C67-33 Corning 1.666997 33.114648
C97-36 Corning 1.695989 36.517325
C16-44 Corning 1.616002 44.416477
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