COLORED OPTICAL FIBER AND OPTICAL FIBER RIBBON ASSEMBLY CONTAINING SAID FIBER

摘要

OPTICAL FIBER RIBBON COMPRISING AN OPTICAL FIBER HAVING A RADIATION CURABLE INTERNAL COATING AND A RADIATION CURABLE COLORED COATING DISPOSED TO SURROUND SAID INTERNAL COATING, AND A RADIATION CURABLE MATRIX MATERIAL SURROUNDING ONE OR MORE OF SAID OPTICAL FIBERS TO FORM A RIBBON, IN WHICH: SAID COLORED COATING HAS A DEGREE OF ADHESION TO THE INNER COATING WHICH IS HIGHER THAN THE DEGREE OF ADHESION TO THE MATRIX MATERIAL; AND SAID OPTICAL FIBER IN SAID OPTICAL FIBER RIBBON SHOWS, UPON AGING OF THE RIBBON FOR AT LEAST TWO WEEKS IN WATER AT 60C, AN INCREASE IN THE ATTENUATION OF THE TRANSMITTED SIGNAL AT 1550 NM OF LESS THAN 0.05 DB/KM WITH RESPECT TO THE ATTENUATION OF THE ASSEMBLED OPTICAL FIBER MEASURED BEFORE AGING.