H-ZBAF5 by CDGM

Standard Rare Environmentally Friendly

H-ZBAF5 by CDGM is a standard optical glass with a rare melt frequency. It transmits from 0.34 to 2.40 µm with an nd of 1.67103 and a Vd of 47.288963. It has medium thermal expansion (CTE of 6.8×10⁻⁶/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: 0.340–2.400 µm
Optical Properties
Refractive Index (nd) 1.67103
Abbe Number (Vd) 47.288963
Dispersion Formula Sellmeier
Wavelength Range 0.365 — 2.325 µm
$$n(\lambda) = \sqrt{1 + \frac{0.265136\,\lambda^2}{\lambda^2 - 0.0342929} + \frac{1.46645\,\lambda^2}{\lambda^2 - 0.00799327} + \frac{1.68212\,\lambda^2}{\lambda^2 - 179.124}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.8
TCE 100/300°C (10-6/K) 8.5
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.26 \times 10^{-6} + 2(1.49 \times 10^{-8})\,\Delta T + 3(-2.95 \times 10^{-11})\,\Delta T^2 + \frac{6.99 \times 10^{-7} + 2(6.95 \times 10^{-10})\,\Delta T}{\lambda - 0.209}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.58
Relative Cost 3.5
Mechanical Properties
Young's Modulus (GPa) 96.96
Poisson's Ratio 0.273
Knoop Hardness (kgf/mm²) 626.0
Chemical Resistance
Climatic Resistance 1
Stain Resistance —
Acid Resistance —
Alkali Resistance —
Phosphate Resistance —
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
BAH10 Ohara 1.670029 47.253429
S-BAH10 Ohara 1.670029 47.230916
BAF10 Hoya 1.67003 47.2
BAF10 Sumita 1.67003 47.2
N-BAF10 Schott 1.67003 47.11
C70-47 Corning 1.670005 47.112037
BAFN10 Schott 1.670031 47.108735
K-LCV93 Sumita 1.6652 47.3
K-LCV93(M) Sumita 1.66355 47.2
BAF11 Hoya 1.66672 48.3
Similar Glasses (CDGM)
Glass Manufacturer nd Vd Compare
H-ZBAF52 CDGM 1.67003 47.19506
H-ZBAF16 CDGM 1.66672 48.421731
ZBAF51 CDGM 1.682726 44.528543
H-LAF1 CDGM 1.69362 49.193837
H-ZBAF50 CDGM 1.65844 50.852265
H-LAF51 CDGM 1.7 48.079839
H-ZBAF3 CDGM 1.65691 51.12138
ZBAF2 CDGM 1.639616 48.230454
H-LAK67 CDGM 1.67 51.738482
ZBAF17 CDGM 1.667554 41.957211
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