H-ZLAF3 by CDGM

Standard Rare Environmentally Friendly
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.365–1.014 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.365–1.014 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.350–2.400 µm
Optical Properties
Refractive Index (nd) 1.855449
Abbe Number (Vd) 36.59805
Dispersion Formula Schott
Wavelength Range 0.365 — 1.014 µm
$$n(\lambda) = \sqrt{3.33261 - 0.0142217\,\lambda^2 + 0.03663\,\lambda^{-2} + 0.00102038\,\lambda^{-4} - 3.17481 \times 10^{-6}\,\lambda^{-6} + 5.76556 \times 10^{-6}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 6.0
TCE 100/300°C (10-6/K) 7.4
Thermal Conductivity (W/mK)
Heat Capacity (J/gK)
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[3.1 \times 10^{-6} + 2(1.77 \times 10^{-8})\,\Delta T + 3(-9.07 \times 10^{-11})\,\Delta T^2 + \frac{8.88 \times 10^{-7} + 2(3.04 \times 10^{-10})\,\Delta T}{\lambda - 0.222}\right] \Delta T = T - T_0, \quad T_0 = 20\,°\text{C}$$
Physical Properties
Density (g/cm³) 4.5
Relative Cost 13.8
Mechanical Properties
Young's Modulus (GPa) 120.68
Poisson's Ratio 0.294
Knoop Hardness (kgf/mm²) 681.0
Chemical Resistance
Climatic Resistance 1
Stain Resistance
Acid Resistance
Alkali Resistance
Phosphate Resistance
Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd
TAFD13 Hoya 1.855396 36.557002
L-LAH94 Ohara 1.860999 37.097767
K-VC90 Sumita 1.8528 39.0
K-VC90(M) Sumita 1.84859 38.9
S-LAH75 Ohara 1.873996 35.258594
LAH75 Ohara 1.873996 35.258591
MP-NBFD10-20 Hoya 1.83461 37.29
M-NBFD10 Hoya 1.83441 37.29
S-LAH60 Ohara 1.834 37.160487
LAH60 Ohara 1.834 37.166863
Similar Glasses (CDGM)
Glass Manufacturer nd Vd
H-ZLAF53BGT CDGM 1.834 37.210555
H-ZLAF53B CDGM 1.834 37.210555
D-ZLAF85A-25 CDGM 1.8511 40.055609
D-ZLAF85A CDGM 1.85222 40.10819
D-ZLAF67-25 CDGM 1.88259 37.185491
D-ZLAF85LN CDGM 1.84558 40.094322
D-ZLAF85LN-25 CDGM 1.84443 40.067973
D-ZLAF67 CDGM 1.88385 37.198899
D-ZLAF85L-25 CDGM 1.8526 40.534071
D-ZLAF85LS-25 CDGM 1.85344 40.557917
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