US3101472_page_7

US3101472 | page 7 | https://thedailydialectics.com/pdfs/wipow/US3101472/US3101472.pdf

7 . ; ‘directions. of polarization are perpendicular to each other. This is illustrated in FIG. 5 where one linearly polarized beam is launched on one end in beam direction 22 and another linearly polarized beam having polarization per- -pendicular’to the original beam may be injected from beam…