FCD600 by Hoya

Preferred Very Common Environmentally Dangerous

FCD600 by Hoya is a preferred optical glass with a very common melt frequency. It transmits from 0.32 to 2.50 µm with an nd of 1.5941 and a Vd of 60.47. It has high thermal expansion (CTE of 11.3×10⁻⁶/K), good chemical resistance, and dangerous environmental properties.

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: 0.320–2.500 µm
Optical Properties
Refractive Index (nd) 1.5941
Abbe Number (Vd) 60.47
Dispersion Formula Schott
Wavelength Range 0.36501 — 1.5296 µm
$$n(\lambda) = \sqrt{2.50096 - 0.00719514\,\lambda^2 + 0.0140648\,\lambda^{-2} + 0.000214341\,\lambda^{-4} + 4.38735 \times 10^{-6}\,\lambda^{-6} + 4.88344 \times 10^{-7}\,\lambda^{-8}}$$
Thermal Properties
TCE -30/70°C (10-6/K) 11.3
TCE 100/300°C (10-6/K) 13.4
Thermal Conductivity (W/mK) —
Heat Capacity (J/gK) —
$$\frac{dn}{dT} = \frac{n_0^2 - 1}{2\,n_0}\left[-1.65 \times 10^{-5} + 2(6.78 \times 10^{-9})\,\Delta T + 3(-4.33 \times 10^{-11})\,\Delta T^2 + \frac{4.39 \times 10^{-7} + 2(2.75 \times 10^{-10})\,\Delta T}{\lambda - 0.214}\right] \Delta T = T - T_0, \quad T_0 = 23\,°\text{C}$$
Physical Properties
Density (g/cm³) 4.09
Relative Cost —
Mechanical Properties
Young's Modulus (GPa) —
Poisson's Ratio —
Knoop Hardness (kgf/mm²) —
Chemical Resistance
Climatic Resistance 1
Stain Resistance 1
Acid Resistance 2
Alkali Resistance —
Phosphate Resistance —
Notes

Recommended glass type

Similar Glasses (Other Manufacturers)
Glass Manufacturer nd Vd Compare
K-PSK100 Sumita 1.5917 60.7
P-SK100 Sumita 1.5917 60.7
D-ZK3L CDGM 1.5917 60.701147
D-ZK3L-25 CDGM 1.5909 60.618517
K-SKLD100 Sumita 1.5911 60.7
L-BAL35P Ohara 1.59208 60.993997
S-BAL35R Ohara 1.58913 60.960312
K-PSK100(M) Sumita 1.58792 60.6
K-SKLD100(M) Sumita 1.58773 60.4
D-ZK3A CDGM 1.58913 61.101573
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
MC-BACD5N Hoya 1.58913 61.25
BACD5 Hoya 1.58913 61.25
M-BACD5N Hoya 1.58913 61.25
MP-BACD5N Hoya 1.58913 61.25
BACD14 Hoya 1.60311 60.7
M-BACD12 Hoya 1.58313 59.46
MP-BACD12 Hoya 1.58313 59.46
MC-BACD12 Hoya 1.58313 59.46
BACD12 Hoya 1.583129 59.459639
BACD7 Hoya 1.607292 59.474776
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