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LOCALIZED SURFACE PLASMON RESONANCE SENSING CHIP AND LOCALIZED SURFACE PLASMON RESONANCE SENSING SYSTEM

机译：局部表面等离激元传感芯片和局部表面等离激元传感系统

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摘要

There are provided a localized surface plasmon resonance sensing chip in which a linewidth of an absorption spectrum originating from localized plasmon resonance is narrow and with which a peak wavelength shift of an optical spectrum accompanying a change in refractive index of a surface can be accurately measured, and a localized surface plasmon resonance sensing system using this sensing chip. A sensing chip 10 includes a base 14 having a flat-plate shape, a plurality of protruding portions 16, and a metal layer 18 covering each front surface of the plurality of protruding portions 16. The protruding portions 16 each have a shape like a semi-oblate spheroid which is one of three-dimensional parts obtained by dividing an oblate spheroid in half along an equatorial plane and are arranged such that a divided surface 16a of the semi-oblate spheroid faces a front surface 14a of the base 14. A sensing system includes the sensing chip 10, a light source irradiating a detection region of the sensing chip 10 with light, and a photodetector detecting the optical spectrum of light emitted from the light source and then reflected in or transmitted through the detection region of the sensing chip 10.

机译：提供一种局部表面等离子体激元共振感测芯片，其中，源自局部等离子体激元共振的吸收光谱的线宽较窄，并且可以精确地测量伴随表面的折射率变化的光谱的峰值波长偏移，以及使用该感测芯片的局部表面等离子体共振检测系统。感测芯片 10 包括具有平板形状的基底 14 ，多个突出部分 16，和金属层覆盖多个突出部 16的每个前表面的图18 。突出部 16 分别具有半扁球形的形状，这是三个中的一个扁球体沿赤道平面分成两半而得到的三维零件，其排列方式是使半扁球体的分割面 16 a 面向前表面< B> 14的B> 14 a 。传感系统包括传感芯片 10，照射检测区域的光源。传感器芯片 10 具有光，并且光电检测器检测从光源发射然后在传感器芯片 10的检测区域中反射或透射的光的光谱。 展开▼

著录项

公开/公告号US2017219488A1

专利类型

公开/公告日2017-08-03

原文格式PDF

申请/专利权人 NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY;
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申请/专利号US201515500396

发明设计人 AKIRA EMOTO;TAKASHI FUKUDA;
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申请日2015-07-31

分类号G01N21/552;G02B5/00;

国家 US

入库时间 2022-08-21 13:49:54

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