LIYF4-E by Generic Birefringent

Standard Unknown Environmentally Friendly

LIYF4-E by Generic Birefringent is a standard optical glass. It transmits from 0.23 to 2.60 µm with an nd of 1.476472 and a Vd of 88.935059.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.23–2.6 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.23–2.6 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Transmission Calculator
Valid wavelength range: 0.230–2.600 µm
Optical Properties
Refractive Index (nd) 1.476472
Abbe Number (Vd) 88.935059
Dispersion Formula Sellmeier 4
Wavelength Range 0.23 — 2.6 µm
$$n(\lambda) = \sqrt{1.31021 + \frac{0.84903\,\lambda^2}{\lambda^2 - 0.00876} + \frac{0.53607\,\lambda^2}{\lambda^2 - 134.957}}$$
Thermal Properties
TCE -30/70°C (10-6/K) —
TCE 100/300°C (10-6/K) —
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) —
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 Compare
K-PFK90 Sumita 1.4588 90.0
FCD10A Hoya 1.4586 90.19
K-PFK90(M) Sumita 1.45733 89.8
FCD10 Hoya 1.4565 90.27
H-FK71 CDGM 1.4565 90.273821
S-FPL52 Ohara 1.455999 90.288026
FPL52 Ohara 1.455999 90.31888
H-FK71A CDGM 1.456498 90.470884
N-FK58 Schott 1.456 90.9
FCD915 Hoya 1.48071 85.29
Similar Glasses (Generic Birefringent)
Glass Manufacturer nd Vd Compare
LIYF4 Generic Birefringent 1.453776 93.549426
CALCITE-E Generic Birefringent 1.486494 79.064587
LAF3-E Generic Birefringent 1.596715 81.256833
LAF3 Generic Birefringent 1.604046 80.83154
MGF2-E Generic Birefringent 1.389557 104.857428
KDP-E Generic Birefringent 1.468324 68.984949
QUARTZ Generic Birefringent 1.544296 70.132045
MGF2 Generic Birefringent 1.377744 106.217612
QUARTZ-E Generic Birefringent 1.553398 68.797763
ADP-E Generic Birefringent 1.478797 61.616939
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