C07-57 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) 1.607504
Abbe Number (Vd) 56.610495
Dispersion Formula Schott
Wavelength Range 0.31 — 1.8 µm
$$n(\lambda) = \sqrt{2.5392 - 0.00849532\,\lambda^2 + 0.0161822\,\lambda^{-2} + 2.89098 \times 10^{-5}\,\lambda^{-4} + 3.21623 \times 10^{-5}\,\lambda^{-6} - 1.38063 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.0
TCE 100/300°C (10-6/K) 7.0
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[8.2 \times 10^{-6} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.55
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
N-SK2 Schott 1.60738 56.65
N-SK2HT Schott 1.60738 56.65
SK2 Schott 1.607381 56.650108
H-ZK50GT CDGM 1.60738 56.654511
H-ZK50 CDGM 1.60738 56.654511
SK2 Sumita 1.60738 56.7
BACD2 Hoya 1.60738 56.72
BSM2 Ohara 1.607379 56.815789
S-BSM2 Ohara 1.607379 56.816076
BACD1 Hoya 1.610248 56.650958
Similar Glasses (Corning)
Glass Manufacturer nd Vd
C13-56 Corning 1.613498 56.417725
C17-55 Corning 1.617605 55.123455
C13-58 Corning 1.612693 58.570371
C23-57 Corning 1.622801 56.922436
C09-59 Corning 1.608756 59.036803
C23-58 Corning 1.623004 58.102071
C23-53 Corning 1.622502 53.14721
C20-60 Corning 1.620406 60.332956
C39-56 Corning 1.638505 55.504447
B72-57 Corning 1.572498 57.494511
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