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optical spectrum analyzer

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(joined May 2014)
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what we do understand by graph of “Output signal and noise power spectrum” in optical spectrum analyser……..in this green colour represent noise and red colour signal but plz explain what we understand by this graph.

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    • #13507
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      anita sharma
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      what we do understand by graph of “Output signal and noise power spectrum” in optical spectrum analyser……..in this green colour represent noise and red colour signal but plz explain what we understand by this graph.

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    • #13547
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      Damian Marek
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      The green signal is the noise and the red signal is the complete optical output of the component. The red signal includes the noise.

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    • #15506
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      Heitor Galvao
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      It allows you to see parameters in frequency domain

    • #15563
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      Ravil
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      By definition, optical spectrum analyzer gives signal and noise power/energy distribution in frequency domain in relative units (in your case). It can be used for stat. analysis or system design.

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