A method and an optical fiber access unit in which a fiber is optically connected to a transmitter and/or receiver chip. Said chip is in turn connected to an electronic circuit for signal processing and said circuit is connected to a coupling port for distributing signals to and from said circuit and fiber. A fiber ferrule module is formed by an optical fiber and a casing surrounding the fiber except for its two ends that are prepared to form optical interfaces. A transmitter/receiver chip module is arranged for optical connection to a first access end of the fiber ferrule module and a fiber access part is provided for optical connection at a second access end of the fiber ferrule module. A support unit is finally arranged for assembling the fiber ferrule module, the transmitter/receiver chip module and the electronic circuit.

 
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> Light-receiving unit and measuring apparatus including the same

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