A63-65 by Corning

Standard Unknown Environmentally Friendly

A63-65 by Corning is a standard optical glass. It transmits from 0.29 to 1.80 µm with an nd of 1.464501 and a Vd of 65.763211. It has medium thermal expansion (CTE of 7.8×10⁻⁶/K).

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.29–1.8 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.29–1.8 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.290–1.800 µm
Optical Properties
Refractive Index (nd) 1.464501
Abbe Number (Vd) 65.763211
Dispersion Formula Schott
Wavelength Range 0.29 — 1.8 µm
$$n(\lambda) = \sqrt{2.12165 - 0.00950349\,\lambda^2 + 0.00831869\,\lambda^{-2} + 0.000333957\,\lambda^{-4} - 2.36417 \times 10^{-5}\,\lambda^{-6} + 9.97218 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 7.8
TCE 100/300°C (10-6/K) 8.8
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) 2.25
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 Compare
FC3 Hoya 1.464502 65.767612
FK3 Schott 1.4645 65.77
FSL3 Ohara 1.464499 65.938855
FC1 Hoya 1.470787 66.706713
H-QK1 CDGM 1.47047 66.876032
HOQ Heraeus 1.458563 67.664757
HOMOSIL Heraeus 1.458563 67.664757
INFRASIL Heraeus 1.458563 67.664757
HERASIL Heraeus 1.458563 67.664757
F_SILICA Generic IR 1.458464 67.821433
Similar Glasses (Corning)
Glass Manufacturer nd Vd Compare
C79-80 Corning 1.458467 67.795012
A88-66 Corning 1.487502 65.807152
A87-70 Corning 1.487248 70.500557
B10-63 Corning 1.509992 63.551713
B16-64 Corning 1.516804 64.224234
B18-65 Corning 1.518199 65.115452
B11-60 Corning 1.510999 60.383147
B19-61 Corning 1.519061 61.386004
B18-60 Corning 1.518201 60.291781
B23-59 Corning 1.522996 59.479482
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