Array type meter head based on NV color center and temperature sensing device

An array-type, meter-head technology, which is applied to thermometers, thermometers, measuring devices, etc. with physical/chemical changes, can solve the problems of insufficient spatial resolution, low measurement sensitivity, and poor stability, and achieve compact structure and environmental adaptability. Strong and cooperative effect

Active Publication Date: 2020-08-07
ZHEJIANG LAB
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Problems solved by technology

At present, the commonly used thermal imaging systems mainly include Raman spectroscopy, fluorescence thermal imaging and scanning thermal microscopy, etc. These temperature measurement methods still have problems such as low measurement sensitivity, poor stability, and insufficient spatial resolution.

Method used

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  • Array type meter head based on NV color center and temperature sensing device
  • Array type meter head based on NV color center and temperature sensing device
  • Array type meter head based on NV color center and temperature sensing device

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Embodiment Construction

[0030] The present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments, and the purpose and effect of the present invention will become clearer. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

[0031] Such as Figure 1~3 As shown, the NV color center-based array meter head of the present invention includes a housing 13, and a beam splitter 2, an input fiber bundle 3, a circulator 4, a sensor fiber bundle 10, and an output fiber bundle arranged inside the housing 13. Optical fiber bundle 5, detection connector 6, diamond substrate 9, surface waveguide 14, optical fiber connector fixing plate 7;

[0032] The beam splitter 2 and the detection connector 6 are respectively fixed on two opposite side walls inside the casing 13, the circulator 4 is fixed on the top inside the casing 13, the diamond subs...

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Abstract

The invention discloses an array type meter header based on an NV color center and a temperature sensing device. Key components including NV color center diamond particles, an excitation light path, adetection light path, microwave feed and the like in a meter head of the temperature sensing device are integrally designed. An array type gauge outfit is formed by matching of an optical fiber bundle and diamond particles, and finally, the NV color center temperature measuring device with high spatial resolution and high measuring sensitivity is formed by the array type gauge outfit and each keysubsystem. The invention belongs to the field of fusion intersection of a quantum temperature measurement technology and an optical fiber array technology, greatly reduces the size of an NV color center temperature sensing device, improves the integration degree and measurement reliability of a gauge outfit, and expands the application of an NV color center related technology in the fields of thermal imaging and the like.

Description

technical field [0001] The invention belongs to the fusion cross field of quantum temperature sensing technology and optical fiber array technology, and specifically relates to an array meter and a temperature sensing device based on a nitrogen vacancy (NV) color center. Background technique [0002] With the rapid development of related technologies such as quantum manipulation, precision spectroscopy, and material science, quantum sensing technology has attracted more and more attention from more and more fields because of its outstanding advantages far exceeding the classical measurement limit. In micro-electromechanical, precision chemistry and biomedical research, high-precision temperature sensing technology can provide important information and judgment basis for electromagnetic effects and chemical and biological reaction processes. The study of arrayed temperature measurement methods with high measurement sensitivity is of great significance for understanding the fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K11/32G02B6/27
CPCG01K11/32G02B6/2746
Inventor 张宁韩邦成安宁
Owner ZHEJIANG LAB
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