C04-64 by Corning

Standard Unknown Environmentally Friendly

C04-64 by Corning is a standard optical glass. It transmits from 0.32 to 1.80 µm with an nd of 1.603507 and a Vd of 63.401916. It has medium thermal expansion (CTE of 9.1×10⁻⁶/K).

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.32–1.8 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.32–1.8 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.320–1.800 µm
Optical Properties
Refractive Index (nd) 1.603507
Abbe Number (Vd) 63.401916
Dispersion Formula Schott
Wavelength Range 0.32 — 1.8 µm
$$n(\lambda) = \sqrt{2.53332 - 0.008168\,\lambda^2 + 0.012877\,\lambda^{-2} + 0.000511\,\lambda^{-4} - 4.1 \times 10^{-5}\,\lambda^{-6} + 2 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 9.1
TCE 100/300°C (10-6/K) 12.9
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.65 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.67
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
LBC3N Hoya 1.60625 63.72
PCD5 Hoya 1.616998 62.827457
PHM51 Ohara 1.617001 62.800809
S-PHM51 Ohara 1.617001 62.800809
PHM52 Ohara 1.617999 63.386441
K-PSKn2 Sumita 1.618 63.4
PCD4 Hoya 1.618 63.4
PSKN2 Sumita 1.618 63.4
H-ZPK1A CDGM 1.618 63.392702
N-PSK53A Schott 1.618 63.39
Similar Glasses (Corning)
Glass Manufacturer nd Vd Compare
B89-61 Corning 1.588998 61.218914
C20-60 Corning 1.620406 60.332956
B96-67 Corning 1.596306 67.398269
C09-59 Corning 1.608756 59.036803
C13-58 Corning 1.612693 58.570371
B64-61 Corning 1.564005 60.964853
C23-58 Corning 1.623004 58.102071
C41-60 Corning 1.640495 60.130957
C07-57 Corning 1.607504 56.610495
C23-57 Corning 1.622801 56.922436
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