Hivatkozási szám

MSZ EN 61290-10-2:2008

Dokumentumazonosító

145418

Cím

Optikai erősítők. Vizsgálati módszerek. 10-2. rész: Többcsatornás jellemzők. Kapuzott optikai spektrumanalizátort alkalmazó impulzusmódszer (IEC 61290-10-2:2007)

Angol cím

Optical amplifiers. Test methods. Part 10-2: Multichannel parameters. Pulse method using a gated optical spectrum analyzer (IEC 61290-10-2:2007)

Alkalmazási terület

This part of IEC 61290 applies to optical fibre amplifiers (OFA) using active fibres, containing rare-earth dopants, currently commercially available. The object of this International Standard is to establish uniform requirements for accurate and reliable measurements of the signal-spontaneous noise figure as defined in IEC 61291-1. The test method independently detects amplified signal power and amplified spontaneous emission (ASE) power by launching optical pulses into the OFA under test. The ASE level is measured by synchronously measuring the power on an optical spectrum analyzer (OSA) during the optical pulse off period. The average optical signal level is measured by random sampling in the OSA. Such measurement is possible because the gain response of the rare-earth doped OFA is relatively slow, particularly in Er-doped OFA. However, since the OFA gain dynamics vary with amplifier types, operating conditions, and control schemes, the gain dynamics should be carefully considered when applying the present test method to various OFA. The manufacturer of the OFA should present data validating the required modulation frequency to limit the error to <1 dB. The measurements for obtaining this information are described in Annex A. Two alternatives for determining the signal-spontaneous noise figure are specified; namely, the optical switching technique and the gated-OSA technique. The procedure described in this standard is the gated-OSA technique. The optical switching technique is described in IEC 61290-10-1. The test method described is, in general, for multichannel applications. Single-channel applications are a special case of multichannel applications. NOTE All numerical values followed by (‡) are suggested values for which the measurement is assured. Other values may be acceptable but should be verified.

ICS

33.180.30 Optikai erősítők

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2008-06-01

Forrás

idt IEC 61290-10-2:2007; idt EN 61290-10-2:2008

Előd

MSZ EN 61290-10-2:2003

Utód

Módosítás

SZK-közlemények

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