Abstract: The terminal beam collimation problem of laser processing systems has traditionally been a headache. The deflection of the terminal beam seriously affects the processing accuracy and success ...
Abstract: High-gain lens antennas with a subwavelength thickness that radiate linearly and circularly polarized waves are reported. The lens antennas are fed with a planar, leaky radial waveguide that ...
This thing holds the secondary mirror in place just below the focuser. It is made from a section of a beech wood dowel rod 25mm in diameter (24mm would have been better as the minor diagonal of the ...