An optical technique to improve the imaging of a target inside suspensions of scattering particles includes the illumination of the scattering particles with circularly polarized light. The rotor has a plurality of internal flow passages formed therein which periodically align with a plurality of inlet ports formed near the forward end of the tube as the rotor rotates. In these instances, adapter developers might use the \u201cWinFS\u201d synchronization core services API described herein for accessing services provided by the \u201cWinFS\u201d synchronization platform in order to develop schema transformation code between the \u201cWinFS\u201d schema and the non-\u201cWinFS\u201d data source schema. Two mutually opposed magnetic poles N-S are formed in this pair of magnetic force inducing members and the magnet rotor is rotated according to the magnetic function of these magnetic poles and the two magnetic poles N-S of said magnet rotor. , in the area of the back of the post.