The Agilent 8504B precision
reflectometer provides state-of-the-art lightwave reflection measurements.
Individual reflections are measured and displayed as a function of distance or
position.
Return loss measurements beyond 80 dB are achievable,
even when larger reflections are present in the measurement path.
Two reflections can be closer than 25 μm (equivalent distance in air) and still
be individually identified.
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