Simultaneous detection of density, moisture content and fiber direction of wood by THz time-domain spectroscopy

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 1 Properties of the wood samples

Common name	Botanical name	Oven-dry density (g/cm³)	Oven-dry thickness (mm)
Agathis	Agathis alba Foxw	0.38	2.68
Ayous	Triplochiton scleroxylon	0.37	2.11
Araucaria	Araucaria heterophylla	0.41	2.08
Yellow poplar	Liriodendron tulipifera	0.51	2.86
Princess tree	Paulownia tomentosa	0.25	2.62
Rubber tree	Hevea brasiliensis	0.63	2.67
Japanese cedar	Cryptomeria japonica	0.36	2.70
Caster aralia	Kalopanax pictus	0.55	2.67
Japanese ash	Fraxinus mandshurica	0.62	2.76
Japanese cypress	Chamaecyparis obtusa	0.40	2.76
Red cedar	Thuja plicata	0.34	2.76
European beech	Fagus sylvatica	0.64	2.83