DS DS/EN 61300-3-40
DS DSEN 61300-3-40 1999-MAR-30 Fbre optc nterconnectng devces and passve components - Basc test and measurement procedures - Part 3-40 Examnatons and measurements - Extncton rato of a polarzaton mantanng pm fbre pgtaled connector
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This part of IEC 61300 describes the procedure to measure the ability of an optical fibre connector to maintain a given extinction ratio across the connection in pm fibre. In this test we limit the measurement to the most common case of nearly linearly polarized light propagating in pm fibre.