Reverse Fourier design


35 years ago, FRITSCH was the first company in the industry to bring a revolutionary alternative to the conventional design onto the market in the form of laser diffraction in a convergent laser beam

By positioning the Fourier lens in front of the measuring cell, a convergent laser beam passes through the measuring cell. The scattered light is focused directly on the detector without additional optical elements.

Due to the patented by FRITSCH movable measurement cell between Fourier lens and detector the analysed angle area and therefore the measured particle size range can be adapted to the requirements of the sample system.