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English to Portuguese translations [PRO] Tech/Engineering - Telecom(munications) / Telecom
English term or phrase:graded-index fibre
Step-index fibres with core diameter of 100 or greater are best suited for continuity testing of bare, unterminated fibres. 50mm graded-index fibre may be used, but then the received power is considerably reduced, and the range of the instrument is correspondingly smaller.