FCD10 by Hoya

Special Very Rare Environmentally Dangerous
Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.36501–1.5296 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.36501–1.5296 µm
Abbe Number Calculator
Transmission vs Wavelength
Transmission Calculator
Valid wavelength range: 0.280–1.550 µm
Optical Properties
Refractive Index (nd) 1.4565
Abbe Number (Vd) 90.27
Dispersion Formula Schott
Wavelength Range 0.36501 — 1.5296 µm
$$n(\lambda) = \sqrt{2.10325 - 0.0050248\,\lambda^2 + 0.00653231\,\lambda^{-2} + 0.000130784\,\lambda^{-4} - 6.36521 \times 10^{-6}\,\lambda^{-6} + 1.92547 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 13.4
TCE 100/300°C (10-6/K) 15.7
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.866 \times 10^{-5} + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
Density (g/cm³) 3.6
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance 1
Stain Resistance 2
Acid Resistance 2
Alkali Resistance —
Phosphate Resistance —
Notes

Not in a position to accept new order because of discontinuation.

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Glass Manufacturer nd Vd
H-FK71 CDGM 1.4565 90.273821
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K-PFK90 Sumita 1.4588 90.0
K-PFK90(M) Sumita 1.45733 89.8
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SRF2 Generic IR 1.437925 91.593259
LIYF4-E Generic Birefringent 1.476472 88.935059
Similar Glasses (Hoya)
Glass Manufacturer nd Vd
FCD10A Hoya 1.4586 90.19
FCD100 Hoya 1.437 95.1
FCD915 Hoya 1.48071 85.29
FCD1 Hoya 1.497 81.61
FCD1B Hoya 1.4971 81.56
M-FCD1 Hoya 1.4971 81.56
MP-FCD1-M20 Hoya 1.4969 81.51
MC-FCD1-M20 Hoya 1.4969 81.51
FCD705 Hoya 1.55032 75.5
FC5 Hoya 1.48749 70.44
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