C23-57 by Corning

Obsolete Unknown Environmentally Friendly

C23-57 by Corning is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.622801 and a Vd of 56.922436.

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) 1.622801
Abbe Number (Vd) 56.922436
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.58711 - 0.0087198\,\lambda^2 + 0.0168369\,\lambda^{-2} - 3.79062 \times 10^{-5}\,\lambda^{-4} + 4.42114 \times 10^{-5}\,\lambda^{-6} - 2.09532 \times 10^{-6}\,\lambda^{-8}}$$
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
H-ZK10L CDGM 1.6228 56.913492
E-BACD10 Hoya 1.6228 56.91
BACD10 Hoya 1.622799 56.906336
SK10 Schott 1.622801 56.903777
SK10 Sumita 1.6228 56.9
N-SK10 Schott 1.62278 56.98
S-BSM10 Ohara 1.622799 57.052723
BSM10 Ohara 1.622799 57.063643
H-ZK10 CDGM 1.6221 56.709831
N-SK15 Schott 1.62296 58.02
Similar Glasses (Corning)
Glass Manufacturer nd Vd Compare
C23-58 Corning 1.623004 58.102071
C13-56 Corning 1.613498 56.417725
C17-55 Corning 1.617605 55.123455
C07-57 Corning 1.607504 56.610495
C13-58 Corning 1.612693 58.570371
C39-56 Corning 1.638505 55.504447
C09-59 Corning 1.608756 59.036803
C42-58 Corning 1.642502 58.061633
C20-60 Corning 1.620406 60.332956
C23-53 Corning 1.622502 53.14721
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