JP2006234693A5 - - Google Patents

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Publication number
JP2006234693A5
JP2006234693A5 JP2005051998A JP2005051998A JP2006234693A5 JP 2006234693 A5 JP2006234693 A5 JP 2006234693A5 JP 2005051998 A JP2005051998 A JP 2005051998A JP 2005051998 A JP2005051998 A JP 2005051998A JP 2006234693 A5 JP2006234693 A5 JP 2006234693A5
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JP
Japan
Prior art keywords
light
sensor according
fluid
photonic crystals
sensor
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JP2005051998A
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JP2006234693A (ja
JP4290128B2 (ja
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Priority to JP2005051998A priority Critical patent/JP4290128B2/ja
Priority claimed from JP2005051998A external-priority patent/JP4290128B2/ja
Priority to US11/276,255 priority patent/US7731902B2/en
Publication of JP2006234693A publication Critical patent/JP2006234693A/ja
Publication of JP2006234693A5 publication Critical patent/JP2006234693A5/ja
Application granted granted Critical
Publication of JP4290128B2 publication Critical patent/JP4290128B2/ja
Expired - Fee Related legal-status Critical Current
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Claims (9)

  1. 参照用および検出用の２つの流体を用いて検出用の流体あるいは流体中に含まれる物質の物理量を検出するセンサであって、第１の流体を流す第１の流路と、第２の流体を流す第２の流路と、前記第１の流路に設けられた第１のフォトニック結晶と、前記第２の流路に設けられた第２のフォトニック結晶と、前記第１及び第２のフォトニック結晶に１つの光源から光を照射する光照射手段と、前記第１および第２のフォトニック結晶を通して出力される出力光の複素振幅情報の差分情報から検出用の流体あるいは流体中に含まれる物質の物理量を検出する検出手段を有することを特徴とするセンサ。
  2. 前記第１及び第２のフォトニック結晶にそれぞれ光を導波するための第１及び第２の光導波路を有することを特徴とする請求項１記載のセンサ。
  3. 前記第１及び第２のフォトニック結晶にそれぞれ光を導波するためのＹ分岐型の導波路部を備え、前記光源からの光を分岐して、前記第１及び第２のフォトニック結晶に光を入力することを特徴とする請求項１記載のセンサ。
  4. 前記第１及び第２のフォトニック結晶を通して出力される光を結合する導波路を有する請求項１から３のいずれか１項に記載のセンサ。
  5. 前記第１及び第２のフォトニック結晶が同一構造であることを特徴とする請求項１記載のセンサ。
  6. 前記第１のフォトニック結晶の表面に、特定物質と選択的に結合する結合物質が担持されていることを特徴とする請求項１に記載のセンサ。
  7. 前記光の差分情報の検出をマッハツェンダ干渉計を用いて行うことを特徴とする請求項１に記載のセンサ。
  8. 前記第１の光導波路の一部に位相変調素子が設けられていることを特徴とする請求項２に記載のセンサ。
  9. 前記光の差分情報の検出が同期検出によって行われることを特徴とする請求項１に記載のセンサ。
JP2005051998A 2005-02-25 2005-02-25 センサ Expired - Fee Related JP4290128B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005051998A JP4290128B2 (ja) 2005-02-25 2005-02-25 センサ
US11/276,255 US7731902B2 (en) 2005-02-25 2006-02-21 Photonic crystal and waveguide sensor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005051998A JP4290128B2 (ja) 2005-02-25 2005-02-25 センサ

Publications (3)

Publication Number Publication Date
JP2006234693A JP2006234693A (ja) 2006-09-07
JP2006234693A5 true JP2006234693A5 (ja) 2007-02-15
JP4290128B2 JP4290128B2 (ja) 2009-07-01

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Family Applications (1)

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JP2005051998A Expired - Fee Related JP4290128B2 (ja) 2005-02-25 2005-02-25 センサ

Country Status (2)

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US (1) US7731902B2 (ja)
JP (1) JP4290128B2 (ja)

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