E05-25 by Corning

Standard Unknown Environmentally Friendly

E05-25 by Corning is a standard optical glass. It transmits from 0.36 to 1.80 µm with an nd of 1.805093 and a Vd of 25.506125. It has medium thermal expansion (CTE of 7.7×10⁻⁶/K).

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.36–1.8 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.36–1.8 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.360–1.800 µm
Optical Properties
Refractive Index (nd) 1.805093
Abbe Number (Vd) 25.506125
Dispersion Formula Schott
Wavelength Range 0.36 — 1.8 µm
$$n(\lambda) = \sqrt{3.11846 - 0.0104951\,\lambda^2 + 0.0420297\,\lambda^{-2} + 0.00294639\,\lambda^{-4} - 0.000197179\,\lambda^{-6} + 2.63318 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 7.7
TCE 100/300°C (10-6/K) 8.6
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[1.7 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 5.18
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
SF6W Sumita 1.80518 25.5
SF6 Sumita 1.80518 25.5
ZF7LGT CDGM 1.80519 25.471232
ZF7L CDGM 1.80519 25.471232
ZF7LTT CDGM 1.80519 25.471232
FD6 Hoya 1.805184 25.465194
FD60 Hoya 1.80518 25.46
FD60-W Hoya 1.80518 25.46
H-ZF7LAGT CDGM 1.80518 25.456256
H-ZF7LA CDGM 1.80518 25.456256
Similar Glasses (Corning)
Glass Manufacturer nd Vd Compare
D85-26 Corning 1.784994 25.902085
D85-25 Corning 1.784752 25.799504
D62-27 Corning 1.761802 26.90455
E37-30 Corning 1.836406 30.205692
D56-27 Corning 1.755203 27.591377
D40-28 Corning 1.740001 28.102623
D34-26 Corning 1.73402 26.500794
D28-28 Corning 1.728304 28.397796
D17-29 Corning 1.717409 29.492751
C99-30 Corning 1.699002 30.107427
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