FC1 by Hoya

Obsolete Unknown Environmentally Dangerous

FC1 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.470787 and a Vd of 66.706713. It has dangerous environmental properties.

Refractive Index vs Wavelength
Refractive Index Calculator
Valid range: 0.334–2.325 µm
dn/dλ vs Wavelength
dn/dλ Calculator
Valid range: 0.334–2.325 µm
Abbe Number Calculator
Transmission vs Wavelength

No transmission data available.

Transmission Calculator
Valid wavelength range: 0.334–2.325 µm
Optical Properties
Refractive Index (nd) 1.470787
Abbe Number (Vd) 66.706713
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.1381 - 0.00854759\,\lambda^2 + 0.0095396\,\lambda^{-2} + 1.51157 \times 10^{-5}\,\lambda^{-4} + 1.43843 \times 10^{-5}\,\lambda^{-6} - 6.79093 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) —
TCE 100/300°C (10-6/K) —
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[0 + 2(0)\,\Delta T + 3(0)\,\Delta T^2 + \frac{0 + 2(0)\,\Delta T}{\lambda - 0}\right] \Delta T = T - T_0, \quad T_0 = 25\,°\text{C}$$
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
H-QK1 CDGM 1.47047 66.876032
FSL3 Ohara 1.464499 65.938855
FK3 Schott 1.4645 65.77
A63-65 Corning 1.464501 65.763211
HOMOSIL Heraeus 1.458563 67.664757
INFRASIL Heraeus 1.458563 67.664757
HOQ Heraeus 1.458563 67.664757
HERASIL Heraeus 1.458563 67.664757
C79-80 Corning 1.458467 67.795012
SK-1310 Ohara 1.458663 67.854535
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
FC3 Hoya 1.464502 65.767612
BSC3 Hoya 1.498309 65.130542
BSC4 Hoya 1.50048 65.996466
FC5 Hoya 1.48749 70.44
PC1 Hoya 1.503779 66.88712
BSC1 Hoya 1.510091 63.435118
PC2 Hoya 1.51821 65.160509
BSC7 Hoya 1.5168 64.2
PCS1 Hoya 1.517284 69.67869
ZNC7 Hoya 1.508471 61.266087
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