C23-58 by Corning

Standard Unknown Environmentally Friendly

C23-58 by Corning is a standard optical glass. It transmits from 0.30 to 1.80 µm with an nd of 1.623004 and a Vd of 58.102071. It has medium thermal expansion (CTE of 7.1×10⁻⁶/K).

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.3–1.8 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.3–1.8 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.300–1.800 µm
Optical Properties
Refractive Index (nd) 1.623004
Abbe Number (Vd) 58.102071
Dispersion Formula Schott
Wavelength Range 0.3 — 1.8 µm
$$n(\lambda) = \sqrt{2.58954 - 0.0102198\,\lambda^2 + 0.0165269\,\lambda^{-2} - 9.55957 \times 10^{-5}\,\lambda^{-4} + 5.01655 \times 10^{-5}\,\lambda^{-6} - 2.30695 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 7.1
TCE 100/300°C (10-6/K) 8.0
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) 3.58
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
SK15 Sumita 1.62299 58.1
K-SK15 Sumita 1.62299 58.1
BACD15 Hoya 1.62299 58.12
H-ZK21 CDGM 1.62299 58.120667
BSM15 Ohara 1.622992 58.143312
SK15 Schott 1.62299 58.059722
D-ZK21-25 CDGM 1.62346 58.115078
S-BSM15 Ohara 1.622992 58.165763
N-SK15 Schott 1.62296 58.02
M-BACD15 Hoya 1.62263 58.17
Similar Glasses (Corning)
Glass Manufacturer nd Vd Compare
C23-57 Corning 1.622801 56.922436
C13-58 Corning 1.612693 58.570371
C13-56 Corning 1.613498 56.417725
C09-59 Corning 1.608756 59.036803
C20-60 Corning 1.620406 60.332956
C07-57 Corning 1.607504 56.610495
C42-58 Corning 1.642502 58.061633
C17-55 Corning 1.617605 55.123455
C41-60 Corning 1.640495 60.130957
C39-56 Corning 1.638505 55.504447
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