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1. WO2022045970 - A PLASMONIC NANOANTENNA, PLASMONIC NANOANTENNA SENSOR ARRAYS, AND A METHOD THEREOF

Publication Number WO/2022/045970
Publication Date 03.03.2022
International Application No. PCT/SG2021/050487
International Filing Date 19.08.2021
IPC
B82Y 15/00 2011.1
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE  OR TREATMENT OF NANOSTRUCTURES
15Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
G02B 1/00 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made; Optical coatings for optical elements
G01N 21/35 2006.1
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
17Systems in which incident light is modified in accordance with the properties of the material investigated
25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
35using infra-red light
CPC
B82Y 15/00
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
15Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
G01N 21/35
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
17Systems in which incident light is modified in accordance with the properties of the material investigated
25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
35using infra-red light
G02B 1/00
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made
Applicants
  • NATIONAL UNIVERSITY OF SINGAPORE [SG]/[SG]
Inventors
  • REN, Zhihao
  • LEE, Chengkuo
Agents
  • POH, Chee Kian, Daniel
Priority Data
10202008096X24.08.2020SG
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) A PLASMONIC NANOANTENNA, PLASMONIC NANOANTENNA SENSOR ARRAYS, AND A METHOD THEREOF
(FR) NANOANTENNE PLASMONIQUE, RÉSEAUX DE CAPTEURS À NANOANTENNE PLASMONIQUE, ET MÉTHODE ASSOCIÉE
Abstract
(EN) A plasmonic nanoantenna (1000) is disclosed. In a specific embodiment, the plasmonic nanoantenna (1000) includes a main arm (1100) having a first finite length defined by a first main arm end portion (1110) and a second main arm end portion (1120), a secondary arm (1200) having a second finite length defined by a first secondary arm end portion (1210) and a second secondary arm end portion (1220), and an intermediate arm (1300) arranged to be connected to the second main arm end portion (1120) and the second secondary arm end portion (1220). In this embodiment, the first main arm end portion (1110) and the first secondary arm end portion (1210) are arranged to extend in a same direction, and the first finite length is longer than the second finite length. Plasmonic nanoantenna sensor arrays (2000, 3000, 4000) that include the plasmonic nanoantenna (1000) for sensing a molecular vibration are also disclosed. A method of detecting a molecule is also disclosed.
(FR) L'invention concerne une nanoantenne plasmonique (1000). Dans un mode de réalisation spécifique, la nanoantenne plasmonique (1000) comprend un bras principal (1100) ayant une première longueur limitée définie par une première partie d'extrémité de bras principal (1110) et une seconde partie d'extrémité de bras principal (1120), un bras secondaire (1200) ayant une seconde longueur limitée définie par une première partie d'extrémité de bras secondaire (1210) et une seconde partie d'extrémité de bras secondaire (1220), et un bras intermédiaire (1300) agencé pour être connecté à la seconde partie d'extrémité de bras principal (1120) et à la seconde partie d'extrémité de bras secondaire (1220). Dans ce mode de réalisation, la première partie d'extrémité de bras principal (1110) et la première partie d'extrémité de bras secondaire (1210) sont agencées pour s'étendre dans une même direction, et la première longueur limitée est plus longue que la seconde longueur limitée. L'invention concerne également des réseaux de capteurs à nanoantenne plasmonique (2000, 3000, 4000) qui comprennent la nanoantenne plasmonique (1000) pour détecter une vibration moléculaire. L'invention concerne en outre une méthode de détection d'une molécule.
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