C57-57 by Corning

Obsolete Unknown Environmentally Friendly

C57-57 by Corning is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.657503 and a Vd of 57.198059.

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.

Transmission Calculator
Valid wavelength range: 0.334–2.325 µm
Optical Properties
Refractive Index (nd) 1.657503
Abbe Number (Vd) 57.198059
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.69889 - 0.010588\,\lambda^2 + 0.0174111\,\lambda^{-2} + 0.000146103\,\lambda^{-4} + 1.97027 \times 10^{-5}\,\lambda^{-6} - 7.63827 \times 10^{-7}\,\lambda^{-8}}$$
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 Compare
LAC11 Hoya 1.658296 57.262085
LAK11 Schott 1.658302 57.261599
LAK11 Sumita 1.6583 57.3
K-LaK11 Sumita 1.6583 57.3
S-LAL11 Ohara 1.658296 57.332589
LAL11 Ohara 1.658296 57.332589
H-LAK1 CDGM 1.6595 57.34726
S-LAL54Q Ohara 1.651 56.238379
S-LAL54 Ohara 1.650996 56.163717
K-LaK7 Sumita 1.6516 58.3
Similar Glasses (Corning)
Glass Manufacturer nd Vd Compare
C52-58 Corning 1.6516 58.511488
C51-56 Corning 1.651124 55.895803
C42-58 Corning 1.642502 58.061633
C39-56 Corning 1.638505 55.504447
C78-56 Corning 1.678004 55.519168
C41-60 Corning 1.640495 60.130957
C23-57 Corning 1.622801 56.922436
C23-58 Corning 1.623004 58.102071
C90-55 Corning 1.691008 54.793839
C97-56 Corning 1.697 56.222926
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