Ion detection with photonic crystal microcavities

被引：40
|
作者：
Chakravarty, S [1 ]
Topol'ancik, J
Bhattacharya, P
Chakrabarti, S
Kang, Y
Meyerhoff, ME
机构：
[1] Univ Michigan, Dept Elect Engn & Comp Sci, Solid State Elect Lab, Ann Arbor, MI 48109 USA
[2] Univ Michigan, Dept Chem, Ann Arbor, MI 48109 USA
来源：
OPTICS LETTERS | 2005年 / 30卷 / 19期
关键词：
D O I：
10.1364/OL.30.002578
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have experimentally demonstrated a cation and anion sensor by using short linear photonic crystal microcavities with an embedded quantum dot active region. The photonic crystal microcavity covered with an ion-selective polymer forms a submicrometer optical detection system sensitive to small changes of perchlorate anion (ClO4-) and calcium cation (Ca2+) concentrations. (c) 2005 Optical Society of America.
引用
收藏
页码：2578 / 2580
页数：3
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