| 摘要 |
An SC-type optical PAD connector ( 4 ) has a ferrule ( 6 ) for accommodating a certain length of an optical fiber ( 5 ) which comprises a core containing a light absorbing dopant such as Co or V for adjusting the intensity of the received signal within a permissible range and a photosensitive dopant such as Ge or Sn for selectively reflecting the input light and provided with a chirped grating, which is a periodic modulation structure for the refractive index, in the longitudinally middle portion and a cladding formed outside of the core and having a refractive index smaller than that of the core. The certain length of the optical fiber ( 5 ) is protected by the ferrule ( 6 ) and fitted in a housing ( 7 ) and the connector ( 4 ) has one end formed into a male connection terminal and the other end formed into a female connection terminal.
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