C58-51 by Corning

Standard Unknown Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.31–1.8 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.31–1.8 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.310–1.800 µm
Optical Properties
Refractive Index (nd) 1.658503
Abbe Number (Vd) 51.012014
Dispersion Formula Schott
Wavelength Range 0.31 — 1.8 µm
$$n(\lambda) = \sqrt{2.69406 - 0.00969886\,\lambda^2 + 0.0207266\,\lambda^{-2} - 0.000225127\,\lambda^{-4} + 8.32217 \times 10^{-5}\,\lambda^{-6} - 3.52243 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.4
TCE 100/300°C (10-6/K) 7.4
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[8.4 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.27
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
SSKN5 Schott 1.65844 50.882921
N-SSK5 Schott 1.65844 50.88
S-BSM25 Ohara 1.658441 50.877554
BSM25 Ohara 1.658441 50.861723
BACED5 Hoya 1.65844 50.86
H-ZBAF50 CDGM 1.65844 50.852265
SSK5 Sumita 1.65844 50.8
H-ZBAF3 CDGM 1.65691 51.12138
LACL4 Hoya 1.669603 51.65903
LAKN7 Sumita 1.67 51.7
Similar Glasses (Corning)
Glass Manufacturer nd Vd
C67-48 Corning 1.666698 48.434395
C70-47 Corning 1.670005 47.112037
C90-50 Corning 1.689009 49.625392
C51-56 Corning 1.651124 55.895803
C48-46 Corning 1.647747 46.227993
C78-56 Corning 1.678004 55.519168
C39-56 Corning 1.638505 55.504447
C23-53 Corning 1.622502 53.14721
C90-55 Corning 1.691008 54.793839
C57-57 Corning 1.657503 57.198059
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