Filter device

Filter device

  • CN 101,672,953 A
  • Filed: 09/12/2008
  • Published: 03/17/2010
  • Est. Priority Date: 09/12/2008
  • Status: Active Application
First Claim
Patent Images

1. , a kind of filter is characterized in that, comprising:

  • For first photoconductive tube of light input, comprise first hollow tube and be plugged on the first interior light transmission conductor of described first hollow tube that its combination end face is the inclined-plane, and is coated with filter coating;

    Second photoconductive tube for light output, link to each other with described first photoconductive tube and coaxial with it, comprise second hollow tube and be plugged on the second light transmission conductor in described second hollow tube, its combination end face is the inclined-plane, and near and be parallel to the combination end face of described first photoconductive tube;

    AndOuter tube is set in described first photoconductive tube and the second photoconductive tube outside.

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