C52-58 by Corning

Standard Unknown Environmentally Friendly

C52-58 by Corning is a standard optical glass. It transmits from 0.28 to 1.80 µm with an nd of 1.6516 and a Vd of 58.511488. It has medium thermal expansion (CTE of 6.9×10⁻⁶/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) 1.6516
Abbe Number (Vd) 58.511488
Dispersion Formula Schott
Wavelength Range 0.28 — 1.8 µm
$$n(\lambda) = \sqrt{2.68255 - 0.0119917\,\lambda^2 + 0.0162231\,\lambda^{-2} + 0.000290808\,\lambda^{-4} - 3.09612 \times 10^{-6}\,\lambda^{-6} + 2.72707 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.9
TCE 100/300°C (10-6/K) 7.8
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) 3.6
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
LAKN7 Schott 1.6516 58.517773
LAL7 Ohara 1.651597 58.519433
N-LAK7 Schott 1.6516 58.52
S-LAL7Q Ohara 1.6516 58.544459
S-LAL7 Ohara 1.651597 58.550655
H-LAK50A CDGM 1.6516 58.403057
LAC7 Hoya 1.6516 58.4
LAK7 Sumita 1.6516 58.3
K-LaK7 Sumita 1.6516 58.3
S-BSM36 Ohara 1.642495 58.369399
Similar Glasses (Corning)
Glass Manufacturer nd Vd Compare
C42-58 Corning 1.642502 58.061633
C57-57 Corning 1.657503 57.198059
C41-60 Corning 1.640495 60.130957
C51-56 Corning 1.651124 55.895803
C39-56 Corning 1.638505 55.504447
C23-58 Corning 1.623004 58.102071
C23-57 Corning 1.622801 56.922436
C20-60 Corning 1.620406 60.332956
C78-56 Corning 1.678004 55.519168
C13-58 Corning 1.612693 58.570371
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