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high-quality plasmon sensing with excellent intensity contrast by dual narrow-band light perfect absorbers
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نویسنده
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liu xiaoshan ,fu guolan ,liu mulin ,liu guiqiang ,liu zhengqi
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منبع
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plasmonics - 2017 - دوره : 12 - شماره : 1 - صفحه:65 -68
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چکیده
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A new strategy for realizing ultra-narrowband plasmonic absorber has been theoretically demonstrated. dual-band perfect light absorber with the bandwidth down to single digit level and the maximal absorption exceeding 99.2 % is achieved. moreover, novel absorber-based sensor platform with high-quality factors (s > 420 nm/riu, fom > 84, and fom* > 5600) are obtained. these features hold the proposed absorber to be a feasible candidate for applications in the sensing detection and notch filtering.
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کلیدواژه
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plasmonic sensing ,ultra-narrowband ,perfect absorber ,figure of merit (fom)
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آدرس
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jiangxi normal university, school of physics, jiangxi key laboratory of nanomaterials and sensors, jiangxi key laboratory of photoelectronics and telecommunication, china, jiangxi normal university, school of physics, jiangxi key laboratory of nanomaterials and sensors, jiangxi key laboratory of photoelectronics and telecommunication, china, jiangxi normal university, school of physics, jiangxi key laboratory of nanomaterials and sensors, jiangxi key laboratory of photoelectronics and telecommunication, china, jiangxi normal university, school of physics, jiangxi key laboratory of nanomaterials and sensors, jiangxi key laboratory of photoelectronics and telecommunication, china, jiangxi normal university, school of physics, jiangxi key laboratory of nanomaterials and sensors, jiangxi key laboratory of photoelectronics and telecommunication, china
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Authors
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