• TIA ANSI/TIA/EIA-455-50B

TIA ANSI/TIA/EIA-455-50B

FOTP-50 Light Launch Conditions for Long-Length Graded-Index Optical Fiber Spectral Attenuation Measurements

Telecommunications Industry Association , 09/01/1998

Publisher: TIA

File Format: PDF

$42.00$84.00


SEE ALSO NECA/FOA 301 * RENUMBERED TO TIA-455-50

This procedure establishes the light launch conditions for Class Ia fiber attenuation measurements. Primary uses include FOTP-46, FOTP-53 and FOTP-61.

Either of two methods is allowed. Method A uses overfilled launch conditions along with a mandrel wrap mode filter; Method B uses restricted launch conditions created by beam optics. Both Methods have yielded attenuation values that add approximately linearly in concatenated links.

Values obtained by Methods A and B may not exactly agree, and care must

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