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1. 发明授权

US09587976B2 Photoacoustic probe 有权
标题翻译：光声探头
公开(公告)号：US09587976B2
公开(公告)日：2017-03-07
申请号：US13984736
申请日：2012-02-17
申请人： Xingwei Vivian Wang , Nan Wu
发明人： Xingwei Vivian Wang , Nan Wu
IPC分类号： G01N29/24 , G01H9/00 , A61B5/00 , A61B8/12 , A61B8/08
CPC分类号： G01H9/004 , A61B5/0084 , A61B5/0095 , A61B8/08 , A61B8/12 , A61B2562/12 , G01N29/2418
摘要： A photoacoustic transducer, such as a photoacoustic probe includes an optical fiber, diaphragm, at the optical fiber, whereby the optical fiber and diaphragm define a cavity, and an energy absorption film at the optical fiber, whereby an activating laser directed through the optical fiber can excite the energy absorption film to thereby generate an acoustic wave that, upon reflection upon a remote surface, can deflect the diaphragm and modify reflection of a detecting laser also directed through the optical fiber. A method of detecting an acoustic wave includes directing an activating laser through an optical fiber to an energy absorption film at the optical fiber, directing a detecting laser through the optical fiber and cavity to the diaphragm at the optical fiber, and measuring an interference pattern generated at least in part by reflection of the detecting laser from a surface of the diaphragm.
摘要翻译：诸如光声探测器的光声换能器包括在光纤处的光纤，隔膜，由此光纤和隔膜限定空腔，并且在光纤处形成能量吸收膜，由此引导通过光纤的激活激光可以激发能量吸收膜，从而产生声波，当在远程表面上反射时，可以偏转光阑并修改也通过光纤引导的检测激光的反射。检测声波的方法包括将激活激光通过光纤引导到光纤处的能量吸收膜，将检测激光通过光纤和空腔引导到光纤处的隔膜，并测量产生的干涉图案至少部分地通过来自所述隔膜的表面的所述检测激光的反射。

2. 发明授权

US09528893B2 Optical fiber pressure sensor with uniform diaphragm and method of fabricating same 有权
标题翻译：具有均匀膜片的光纤压力传感器及其制造方法
公开(公告)号：US09528893B2
公开(公告)日：2016-12-27
申请号：US13381256
申请日：2010-06-29
申请人： Wenhui Wang , Xingwei Vivian Wang , Kai Sun , Nan Wu
发明人： Wenhui Wang , Xingwei Vivian Wang , Kai Sun , Nan Wu
IPC分类号： G01L9/00 , G01L7/08
CPC分类号： G01L7/086 , A61B5/0082 , A61B5/021 , B23K26/24 , B23K26/324 , B23K26/362 , G02B6/30 , Y10T156/10 , Y10T156/1052
摘要： An optical fiber sensor (100) can be used to measure pressure with high sensitivity and fine resolution. As a (108) at the end of the sensor expands or contracts, the spectrum of a beam reflected from the end of fiber shifts, producing a change linked to pressure exerted on the sensor. Novel aspects of the present inventive sensor include the direct bonding of a silica thin film diaphragm (110) to the optical fiber with localized or confined heating and a uniform thickness of the diaphragm. The resulting sensor has a diameter that matches the diameter of the optical fiber. Because the sensor is all silica, it does not from temperature-induced error. In addition, the sensor can be very sensitive because the diaphragm can be very thin; it can also make highly repeatable measurements due to its very uniform thickness.
摘要翻译：可以使用光纤传感器（100）来测量高灵敏度和细分辨率的压力。当传感器端部的（108）膨胀或收缩时，从光纤端部反射的光束的光谱发生变化，产生与施加在传感器上的压力相关的变化。本发明的传感器的新方面包括将二氧化硅薄膜隔膜（110）直接接合到具有局部或受限加热的光纤和隔膜的均匀厚度。所得传感器的直径与光纤的直径相匹配。由于传感器全部为二氧化硅，因此不会引起温度误差。此外，传感器可以非常敏感，因为隔膜可以非常薄; 它也可以由于其非常均匀的厚度而进行高度可重复的测量。

3. 发明申请

US20120116255A1 Optical Fiber Pressure Sensor With Uniform Diaphragm And Method Of Fabricating Same 有权
标题翻译：具有均匀隔膜的光纤压力传感器及其制造方法
公开(公告)号：US20120116255A1
公开(公告)日：2012-05-10
申请号：US13381256
申请日：2010-06-29
申请人： Wenhui Wang , Xingwei Vivian Wang , Kai Sun , Nan Wu
发明人： Wenhui Wang , Xingwei Vivian Wang , Kai Sun , Nan Wu
IPC分类号： A61B5/103 , G01B9/02 , B32B37/06 , B32B37/02 , B32B38/04 , G02B6/00 , B32B37/14
CPC分类号： G01L7/086 , A61B5/0082 , A61B5/021 , B23K26/24 , B23K26/324 , B23K26/362 , G02B6/30 , Y10T156/10 , Y10T156/1052
摘要： An optical fiber sensor (100) can be used to measure pressure with high sensitivity and fine resolution. As a (108) at the end of the sensor expands or contracts, the spectrum of a beam reflected from the end of fiber shifts, producing a change linked to pressure exerted on the sensor. Novel aspects of the present inventive sensor include the direct bonding of a silica thin film diaphragm (110) to the optical fiber with localized or confined heating and a uniform thickness of the diaphragm. The resulting sensor has a diameter that matches the diameter of the optical fiber. Because the sensor is all silica, it does not from temperature-induced error. In addition, the sensor can be very sensitive because the diaphragm can be very thin; it can also make highly repeatable measurements due to its very uniform thickness.
摘要翻译：可以使用光纤传感器（100）来测量高灵敏度和细分辨率的压力。当传感器端部的（108）膨胀或收缩时，从光纤端部反射的光束的光谱发生变化，产生与施加在传感器上的压力相关的变化。本发明的传感器的新方面包括将二氧化硅薄膜隔膜（110）直接接合到具有局部或受限加热的光纤和隔膜的均匀厚度。所得传感器的直径与光纤的直径相匹配。由于传感器全部为二氧化硅，因此不会引起温度误差。此外，传感器可以非常敏感，因为隔膜可以非常薄; 它也可以由于其非常均匀的厚度而进行高度可重复的测量。

4. 发明申请

US20130319123A1 Photoacoustic Probe 有权
标题翻译：光声探头
公开(公告)号：US20130319123A1
公开(公告)日：2013-12-05
申请号：US13984736
申请日：2012-02-17
申请人： Xingwei Vivian Wang , Nan Wu
发明人： Xingwei Vivian Wang , Nan Wu
IPC分类号： G01H9/00
CPC分类号： G01H9/004 , A61B5/0084 , A61B5/0095 , A61B8/08 , A61B8/12 , A61B2562/12 , G01N29/2418
摘要： A photoacoustic transducer, such as a photoacoustic probe includes an optical fiber, diaphragm, at the optical fiber, whereby the optical fiber and diaphragm define a cavity, and an energy absorption film at the optical fiber, whereby an activating laser directed through the optical fiber can excite the energy absorption film to thereby generate an acoustic wave that, upon reflection upon a remote surface, can deflect the diaphragm and modify reflection of a detecting laser also directed through the optical fiber. A method of detecting an acoustic wave includes directing an activating laser through an optical fiber to an energy absorption film at the optical fiber, directing a detecting laser through the optical fiber and cavity to the diaphragm at the optical fiber, and measuring an interference pattern generated at least in part by reflection of the detecting laser from a surface of the diaphragm.
摘要翻译：诸如光声探测器的光声换能器包括在光纤处的光纤，隔膜，由此光纤和隔膜限定空腔，并且在光纤处形成能量吸收膜，由此引导通过光纤的激活激光可以激发能量吸收膜，从而产生声波，当在远程表面上反射时，可以偏转光阑并修改也通过光纤引导的检测激光的反射。检测声波的方法包括将激活激光通过光纤引导到光纤处的能量吸收膜，将检测激光通过光纤和空腔引导到光纤处的隔膜，并测量产生的干涉图案至少部分地通过来自所述隔膜的表面的所述检测激光的反射。

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