ZF5 by CDGM

Obsolete Rare Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.365–0.7065 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.365–0.7065 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.350–2.400 µm
Optical Properties
Refractive Index (nd) 1.739999
Abbe Number (Vd) 28.245048
Dispersion Formula Schott
Wavelength Range 0.365 — 0.7065 µm
$$n(\lambda) = \sqrt{2.91604 - 0.0104356\,\lambda^2 + 0.0339079\,\lambda^{-2} + 0.00227288\,\lambda^{-4} - 0.000135632\,\lambda^{-6} + 1.65276 \times 10^{-5}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 8.6
TCE 100/300°C (10-6/K) 9.8
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) 4.65
Relative Cost 2.5
Mechanical Properties
Young's Modulus (GPa) 54.4
Poisson's Ratio 0.236
Knoop Hardness (kgf/mm²) 390.0
Chemical Resistance
Climatic Resistance
Stain Resistance
Acid Resistance
Alkali Resistance
Phosphate Resistance
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
FD3 Hoya 1.739999 28.245048
PBH3 Ohara 1.739998 28.283809
PBH3W Ohara 1.739998 28.287409
SF3 Schott 1.74 28.2
SF3 Sumita 1.74 28.2
S-TIH3 Ohara 1.739998 28.296005
D40-28 Corning 1.740001 28.102623
SF54 Schott 1.7408 28.090813
PBH13W Ohara 1.740769 27.793228
PBH13 Ohara 1.740769 27.793228
Similar Glasses (CDGM)
Glass Manufacturer nd Vd
H-ZF5 CDGM 1.74 28.295649
ZF50 CDGM 1.74077 27.76788
H-ZF50 CDGM 1.74077 27.760063
H-ZF4AGT CDGM 1.72825 28.318797
H-ZF4A CDGM 1.72825 28.318797
ZF4 CDGM 1.728251 28.3239
ZF6 CDGM 1.755205 27.546239
H-ZF6 CDGM 1.7552 27.530047
H-ZF3 CDGM 1.71736 29.49911
ZF3 CDGM 1.717365 29.510385
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