C13-58 by Corning

Standard Unknown Environmentally Friendly

C13-58 by Corning is a standard optical glass. It transmits from 0.28 to 1.80 µm with an nd of 1.612693 and a Vd of 58.570371. It has low thermal expansion (CTE of 6.3×10⁻⁶/K).

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.28–1.8 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.28–1.8 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.280–1.800 µm
Optical Properties
Refractive Index (nd) 1.612693
Abbe Number (Vd) 58.570371
Dispersion Formula Schott
Wavelength Range 0.28 — 1.8 µm
$$n(\lambda) = \sqrt{2.55595 - 0.0091123\,\lambda^2 + 0.0170632\,\lambda^{-2} - 0.000392035\,\lambda^{-4} + 8.81393 \times 10^{-5}\,\lambda^{-6} - 4.25741 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.3
TCE 100/300°C (10-6/K) 7.4
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) 3.59
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-ZK6 CDGM 1.61272 58.577083
BACD4 Hoya 1.61272 58.58
SK4 Sumita 1.61272 58.6
K-SK4 Sumita 1.61272 58.6
SK4 Schott 1.61272 58.629829
N-SK4 Schott 1.61272 58.63
S-BSM4 Ohara 1.612716 58.716945
BSM4 Ohara 1.612716 58.749129
K-PSK200(M) Sumita 1.61083 58.9
K-PSK200 Sumita 1.61305 59.0
Similar Glasses (Corning)
Glass Manufacturer nd Vd Compare
C09-59 Corning 1.608756 59.036803
C23-58 Corning 1.623004 58.102071
C20-60 Corning 1.620406 60.332956
C07-57 Corning 1.607504 56.610495
C23-57 Corning 1.622801 56.922436
C13-56 Corning 1.613498 56.417725
C17-55 Corning 1.617605 55.123455
C42-58 Corning 1.642502 58.061633
C41-60 Corning 1.640495 60.130957
B89-61 Corning 1.588998 61.218914
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