H-ZF10 by CDGM

Preferred Common Environmentally Friendly

H-ZF10 by CDGM is a preferred optical glass with a common melt frequency. It transmits from 0.36 to 2.40 µm with an nd of 1.68893 and a Vd of 31.16057. It has medium thermal expansion (CTE of 9.1×10⁻⁶/K), excellent chemical resistance, and moderate relative cost.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.365–2.325 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.365–2.325 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.360–2.400 µm
Optical Properties
Refractive Index (nd) 1.68893
Abbe Number (Vd) 31.16057
Dispersion Formula Sellmeier
Wavelength Range 0.365 — 2.325 µm
$$n(\lambda) = \sqrt{1 + \frac{1.5006\,\lambda^2}{\lambda^2 - 145.496} + \frac{1.57641\,\lambda^2}{\lambda^2 - 0.0121805} + \frac{0.183076\,\lambda^2}{\lambda^2 - 0.060514}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 9.1
TCE 100/300°C (10-6/K) 11.9
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-5.43 \times 10^{-6} + 2(1.06 \times 10^{-8})\,\Delta T + 3(-9.67 \times 10^{-11})\,\Delta T^2 + \frac{9.25 \times 10^{-7} + 2(1.66 \times 10^{-9})\,\Delta T}{\lambda - 0.269}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 2.92
Relative Cost 3.4
Mechanical Properties
Young's Modulus (GPa) 85.7
Poisson's Ratio 0.246
Knoop Hardness (kgf/mm²) 527.0
Chemical Resistance
Climatic Resistance 1
Stain Resistance —
Acid Resistance —
Alkali Resistance —
Phosphate Resistance —
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
MC-FD80 Hoya 1.68893 31.16
M-FD80 Hoya 1.68893 31.16
MP-FD80 Hoya 1.68893 31.16
E-FD8 Hoya 1.68893 31.16
FD8 Hoya 1.688931 31.158857
SF8 Schott 1.688932 31.176063
SF8 Sumita 1.68893 31.2
K-SFLD8W Sumita 1.6891 31.2
C89-31 Corning 1.689004 31.210861
K-SFLD8 Sumita 1.68893 31.1
Similar Glasses (CDGM)
Glass Manufacturer nd Vd Compare
ZF10 CDGM 1.688934 31.184753
D-ZF10 CDGM 1.68893 31.077677
D-ZF10-25 CDGM 1.68731 31.183804
ZF11 CDGM 1.698949 30.065686
H-ZF11 CDGM 1.69894 30.05045
H-ZF2 CDGM 1.6727 32.171186
ZF2 CDGM 1.672707 32.180986
H-ZF39 CDGM 1.6668 33.053728
ZF3 CDGM 1.717365 29.510385
H-ZF3 CDGM 1.71736 29.49911
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