F6 by Hoya

Obsolete Unknown Environmentally Dangerous

F6 by Hoya is an obsolete optical glass. It transmits from 0.33 to 2.33 µm with an nd of 1.636356 and a Vd of 35.340304. 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) 1.636356
Abbe Number (Vd) 35.340304
Dispersion Formula Schott
Wavelength Range 0.334 — 2.325 µm
$$n(\lambda) = \sqrt{2.60593 - 0.00973492\,\lambda^2 + 0.0222519\,\lambda^{-2} + 0.00150833\,\lambda^{-4} - 0.000111284\,\lambda^{-6} + 9.74947 \times 10^{-6}\,\lambda^{-8}}$$
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
F6 Schott 1.636359 35.341176
C37-35 Corning 1.636493 35.322642
PBM6 Ohara 1.636358 35.376536
F7 CDGM 1.636365 35.386204
S-TIM6 Ohara 1.636358 35.391923
F6 Sumita 1.63636 35.4
SF7 Sumita 1.6398 34.6
PBM27 Ohara 1.639799 34.477127
S-TIM27 Ohara 1.639799 34.466422
H-F51 CDGM 1.6398 34.46457
Similar Glasses (Hoya)
Glass Manufacturer nd Vd Compare
E-FD7 Hoya 1.6398 34.57
FD7 Hoya 1.639803 34.568909
E-F1 Hoya 1.62588 35.74
F1 Hoya 1.62588 35.744525
F7 Hoya 1.625363 35.583498
E-FD2 Hoya 1.64769 33.84
FD2 Hoya 1.647693 33.836872
F11 Hoya 1.620962 35.947308
FD12 Hoya 1.648308 33.793909
E-F2 Hoya 1.62004 36.3
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