CN109682759B - 一种实现超声快速扫描和定点聚焦的激光超声激发与检测系统及方法 - Google Patents
一种实现超声快速扫描和定点聚焦的激光超声激发与检测系统及方法 Download PDFInfo
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- CN109682759B CN109682759B CN201811477154.4A CN201811477154A CN109682759B CN 109682759 B CN109682759 B CN 109682759B CN 201811477154 A CN201811477154 A CN 201811477154A CN 109682759 B CN109682759 B CN 109682759B
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
- G01N2021/1706—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in solids
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CN111595949B (zh) * | 2020-05-18 | 2021-07-20 | 武汉大学 | 一种自适应不规则表面的激光超声成像检测系统及检测方法 |
WO2022027229A1 (en) * | 2020-08-04 | 2022-02-10 | Qualcomm Incorporated | Beam feedback based on object shape in wireless sensing |
CN112098336A (zh) * | 2020-08-17 | 2020-12-18 | 深圳先进技术研究院 | 激光超声扫描成像装置以及激光超声扫描成像系统 |
CN113984894A (zh) * | 2021-10-21 | 2022-01-28 | 中国计量大学 | 一种基于双波混频的激光超声无损检测装置及其方法 |
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US7262861B1 (en) * | 2004-05-24 | 2007-08-28 | Mrl Laboratories, Llc | Ultrasound single-element non-contacting inspection system |
US7278315B1 (en) * | 2005-10-04 | 2007-10-09 | Op Tech Ventures Llc | Laser-ultrasonic detection of subsurface defects in processed metals |
CN106596732A (zh) * | 2016-12-14 | 2017-04-26 | 西安交通大学 | 基于高能光纤阵列束传输的激光超声增强激励系统及方法 |
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