The properties of the binderless boards of moso bamboo depending on the harvest seasons and the parts of the height were reported and the optimum harvesting conditions investigated. The binderless boards were prepared from the powdered bamboo harvested each month from June to May, and the parts in height. The hot water extract (HWE), lignin, α-cellulose,… (More)
We demonstrate a tunable optical dispersion compensator consisting of an arrayed-waveguide grating and a liquid crystal on silicon. We obtained a tuning range of plusmn 800 ps/nm with six wavelength channels independently.