D13-54 by Corning

Standard Unknown Environmentally Friendly
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) 1.713
Abbe Number (Vd) 53.843096
Dispersion Formula Schott
Wavelength Range 0.28 — 1.8 µm
$$n(\lambda) = \sqrt{2.87724 - 0.0137271\,\lambda^2 + 0.0208843\,\lambda^{-2} + 4.89451 \times 10^{-5}\,\lambda^{-4} + 4.52951 \times 10^{-5}\,\lambda^{-6} - 2.02451 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 5.7
TCE 100/300°C (10-6/K) 6.9
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) 3.86
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
LAL8 Ohara 1.712995 53.845848
H-LAK7A CDGM 1.713 53.832974
LAK8 Schott 1.713003 53.831633
N-LAK8 Schott 1.713 53.83
S-LAL8 Ohara 1.712995 53.867058
K-LaK8 Sumita 1.713 53.9
LAK8 Sumita 1.713 53.9
LAC8 Hoya 1.713 53.94
M-LAC8 Hoya 1.713 53.94
MP-LAC8-30 Hoya 1.7133 53.95
Similar Glasses (Corning)
Glass Manufacturer nd Vd
C97-55 Corning 1.697005 55.409848
C90-55 Corning 1.691008 54.793839
C97-56 Corning 1.697 56.222926
D20-50 Corning 1.720003 50.312121
D34-51 Corning 1.733513 51.387663
C78-56 Corning 1.678004 55.519168
C90-50 Corning 1.689009 49.625392
D17-48 Corning 1.717011 47.998493
C58-51 Corning 1.658503 51.012014
C57-57 Corning 1.657503 57.198059
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