JP2009058474A - 光検出器 - Google Patents
光検出器 Download PDFInfo
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- JP2009058474A JP2009058474A JP2007228159A JP2007228159A JP2009058474A JP 2009058474 A JP2009058474 A JP 2009058474A JP 2007228159 A JP2007228159 A JP 2007228159A JP 2007228159 A JP2007228159 A JP 2007228159A JP 2009058474 A JP2009058474 A JP 2009058474A
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Abstract
【解決手段】
基板4上に、電流検出プローブ1、ナノチェイン部2、電流検出プローブ3からなる光検出部が配置されている。ナノチェイン部2は、プラズモン共鳴吸収を有する金属構造体であり、複数の金属ナノ粒子2aがボトルネックを介して互いに連結されている。電流検出プローブ1、3は、各々先端が所定の角度に形成された角部を有しており、この角部が、ナノチェイン部2の先端、すなわち、金属ナノ粒子2aの角と対向するように配置される。電流−電圧特性の初期電圧の変化により、光検出が行われる。
【選択図】 図1
Description
Applied Physics A,vol.29,pp.71-75(1982) J.Phys.Chem.B,108,13066(2004) JACS,125,13915(2003)
2 ナノチェイン部
2a 金属ナノ粒子
3 電流検出プローブ
4 基板
5 抵抗
6 電源
Claims (6)
- 複数の金属ナノ粒子がボトルネックを介して互いに連結されたナノチェイン部と、正負の電流検出プローブが基板上に配置された光検出部を備えた光検出器であって、
プラズモン共鳴吸収を有する前記ナノチェイン部が前記正負の電流検出プローブによって挟み込まれていることを特徴とする光検出器。 - 前記ナノチェイン部の長さ方向の両端を前記正負の電流検出プローブによって挟み込んだ構造であって、前記ナノチェイン部の一端の金属ナノ粒子と少なくとも一方の電流検出プローブの先端とは、所定のギャップを隔てて配置されていることを特徴とする請求項1記載の光検出器。
- 前記ナノチェイン部の一端の金属ナノ粒子の先端を前記正負の電流検出プローブで所定のギャップを隔てて挟み込むように配置されていることを特徴とする請求項1記載の光検出器。
- 前記ナノチェイン部のいずれかの金属ナノ粒子の両側を前記正負の電流検出プローブで挟み込んだ構造であって、少なくとも一方の電流検出プローブと前記金属ナノ粒子との一側面とは所定のギャップを隔てて配置されていることを特徴とする請求項1記載の光検出器。
- 前記正負の電流検出プローブ間には所定の電圧が印加されていることを特徴とする請求項1〜請求項4のいずれか1項に記載の光検出器。
- 前記ナノチェイン部によるプラズモン共鳴吸収の吸収波長が異なるように形成された複数の光検出部を備えていることを特徴とする請求項1〜請求項5のいずれか1項に記載の光検出器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007228159A JP5388046B2 (ja) | 2007-09-03 | 2007-09-03 | 光検出器 |
US12/230,622 US8088484B2 (en) | 2007-09-03 | 2008-09-02 | Metallic structure and photodetector |
US13/179,168 US8236421B2 (en) | 2007-09-03 | 2011-07-08 | Metallic structure and photodetector |
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JP2007228159A JP5388046B2 (ja) | 2007-09-03 | 2007-09-03 | 光検出器 |
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JP2009058474A true JP2009058474A (ja) | 2009-03-19 |
JP5388046B2 JP5388046B2 (ja) | 2014-01-15 |
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JP2007228159A Expired - Fee Related JP5388046B2 (ja) | 2007-09-03 | 2007-09-03 | 光検出器 |
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JP (1) | JP5388046B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011081896A2 (en) * | 2009-12-14 | 2011-07-07 | University Of Maryland, Baltimore County | Plasmonic electricity |
US8735175B2 (en) | 2011-03-18 | 2014-05-27 | Chris D. Geddes | Multicolor microwave-accelerated metal-enhanced fluorescence (M-MAMEF) |
US9240511B2 (en) | 2013-08-20 | 2016-01-19 | Korea Institute Of Science And Technology | Photodetector using surface plasmon resonance and image sensor having the same |
CN111375134A (zh) * | 2018-12-29 | 2020-07-07 | 丁明刚 | 太赫兹波能量芯片 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004103521A (ja) * | 2002-09-13 | 2004-04-02 | Sony Corp | 光電変換素子及びその製造方法、並びに光センサ及び太陽電池 |
US20060032529A1 (en) * | 2004-08-11 | 2006-02-16 | Rand Barry P | Organic photosensitive devices |
JP2008006575A (ja) * | 2006-06-30 | 2008-01-17 | Hokkaido Univ | 金属構造体 |
JP2009056574A (ja) * | 2007-09-03 | 2009-03-19 | Rohm Co Ltd | 金属構造体 |
-
2007
- 2007-09-03 JP JP2007228159A patent/JP5388046B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004103521A (ja) * | 2002-09-13 | 2004-04-02 | Sony Corp | 光電変換素子及びその製造方法、並びに光センサ及び太陽電池 |
US20060032529A1 (en) * | 2004-08-11 | 2006-02-16 | Rand Barry P | Organic photosensitive devices |
JP2008006575A (ja) * | 2006-06-30 | 2008-01-17 | Hokkaido Univ | 金属構造体 |
JP2009056574A (ja) * | 2007-09-03 | 2009-03-19 | Rohm Co Ltd | 金属構造体 |
Non-Patent Citations (1)
Title |
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JPN6012000363; 日本化学会第87春季年会-講演予稿集I , 20070312, p.235, (社)日本化学会 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011081896A2 (en) * | 2009-12-14 | 2011-07-07 | University Of Maryland, Baltimore County | Plasmonic electricity |
WO2011081896A3 (en) * | 2009-12-14 | 2011-11-17 | University Of Maryland, Baltimore County | Plasmonic electricity |
US9810637B2 (en) | 2009-12-14 | 2017-11-07 | University Of Maryland, Baltimore County | Plasmonic electricity |
US8735175B2 (en) | 2011-03-18 | 2014-05-27 | Chris D. Geddes | Multicolor microwave-accelerated metal-enhanced fluorescence (M-MAMEF) |
US9556474B2 (en) | 2011-03-18 | 2017-01-31 | Chris D. Geddes | Multicolor microwave-accelerated metal-enhanced fluorescence (M-MAMEF) |
US9240511B2 (en) | 2013-08-20 | 2016-01-19 | Korea Institute Of Science And Technology | Photodetector using surface plasmon resonance and image sensor having the same |
CN111375134A (zh) * | 2018-12-29 | 2020-07-07 | 丁明刚 | 太赫兹波能量芯片 |
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