公开(公告)号：US20050062979A1

公开(公告)日：2005-03-24

申请号：US10911635

申请日：2004-08-05

申请人： Yizheng Zhu ,  Xingwei Wang ,  Juncheng Xu ,  Anbo Wang

发明人： Yizheng Zhu ,  Xingwei Wang ,  Juncheng Xu ,  Anbo Wang

IPC分类号： G01B20060101 ,  G01B9/02 ,  G01H9/00 ,  G01L9/00 ,  G01P15/093

CPC分类号： G01L9/0079 ,  G01B9/02023 ,  G01B2290/25 ,  G01H9/004 ,  G01P15/093

摘要： A fiber optic sensor has a hollow tube bonded to the endface of an optical fiber, and a diaphragm bonded to the hollow tube. The fiber endface and diaphragm comprise an etalon cavity. The length of the etalon cavity changes when applied pressure or acceleration flexes the diaphragm. The entire structure can be made of fused silica. The fiber, tube, and diaphragm can be bonded with a fusion splice. The present sensor is particularly well suited for measuring pressure or acceleration in high temperature, high pressure and corrosive environments (e.g., oil well downholes and jet engines). The present sensors are also suitable for use in biological and medical applications.

摘要翻译： 光纤传感器具有结合到光纤端面的中空管，以及结合到中空管的隔膜。 纤维端面和隔膜包括标准具腔。 当施加压力或加速度弯曲隔膜时，标准具腔的长度会发生变化。 整个结构可以由熔融石英制成。 纤维，管和隔膜可以用熔接粘合。 本传感器特别适用于在高温，高压和腐蚀性环境（例如油井下井和喷气发动机）中测量压力或加速度。 本传感器也适用于生物和医学应用。

公开(公告)号：US07054011B2

公开(公告)日：2006-05-30

申请号：US10911635

申请日：2004-08-05

申请人： Yizheng Zhu ,  Xingwei Wang ,  Juncheng Xu ,  Anbo Wang

发明人： Yizheng Zhu ,  Xingwei Wang ,  Juncheng Xu ,  Anbo Wang

IPC分类号： G01B9/02

CPC分类号： G01L9/0079 ,  G01B9/02023 ,  G01B2290/25 ,  G01H9/004 ,  G01P15/093

摘要： A fiber optic sensor has a hollow tube bonded to the endface of an optical fiber, and a diaphragm bonded to the hollow tube. The fiber endface and diaphragm comprise an etalon cavity. The length of the etalon cavity changes when applied pressure or acceleration flexes the diaphragm. The entire structure can be made of fused silica. The fiber, tube, and diaphragm can be bonded with a fusion splice. The present sensor is particularly well suited for measuring pressure or acceleration in high temperature, high pressure and corrosive environments (e.g., oil well downholes and jet engines). The present sensors are also suitable for use in biological and medical applications.

摘要翻译： 光纤传感器具有结合到光纤端面的中空管，以及结合到中空管的隔膜。 纤维端面和隔膜包括标准具腔。 当施加压力或加速度弯曲隔膜时，标准具腔的长度会发生变化。 整个结构可以由熔融石英制成。 纤维，管和隔膜可以用熔接粘合。 本传感器特别适用于在高温，高压和腐蚀性环境（例如油井下井和喷气发动机）中测量压力或加速度。 本传感器也适用于生物和医学应用。

公开(公告)号：US20070147738A1

公开(公告)日：2007-06-28

申请号：US11609655

申请日：2006-12-12

申请人： Xingwei Wang ,  Juncheng Xu ,  Zhuang Wang ,  Anbo Wang

发明人： Xingwei Wang ,  Juncheng Xu ,  Zhuang Wang ,  Anbo Wang

IPC分类号： G02B6/42 ,  G02B6/26 ,  G02B6/00

CPC分类号： G02B6/262 ,  G01N21/45 ,  G02B6/021 ,  G02B6/2551 ,  G02B6/2552

摘要： A fiber-optic sensor includes a Fabry-Perot cavity, the length of which may be altered by deposition of a material of interest that may be deposited or captured on an end surface thereof. The sensor may also be tapered near the end surface to a tip diameter in the range of a few micrometers or a few micrometers by a variety of techniques which may be used singly or in combination. A tapered probe of such dimensions is of minimal intrusiveness in biological observations and can be used to probe sub-micron sized cells in vivo. By developing a multi-layer self-assembled film to immobilize a capture material such as a DNA sequence complementary to a DNA sequence of interest or other organic material such as proteins, antigens and/or antibodies materials of interest may be preferentially captured and immediately detected by alteration of spectral response of the fiber-optic sensor.

摘要翻译： 光纤传感器包括法布里 - 珀罗腔，其长度可以通过沉积可能在其端面上沉积或捕获的感兴趣的材料来改变。 通过单独或组合使用的各种技术，传感器也可以在端面附近锥形到尖端直径在几微米或几微米的范围内。 这种尺寸的锥形探针在生物学观察中具有最小的侵入性，并且可用于体内探测亚微米尺寸的细胞。 通过开发多层自组装膜以固定捕获材料，例如与感兴趣的DNA序列互补的DNA序列或其它有机材料如蛋白质，可以优先捕获并立即检测到蛋白质，抗原和/或抗体材料 通过改变光纤传感器的光谱响应。

公开(公告)号：US07173713B2

公开(公告)日：2007-02-06

申请号：US10791842

申请日：2004-03-04

申请人： Juncheng Xu ,  Anbo Wang

发明人： Juncheng Xu ,  Anbo Wang

IPC分类号： G01B9/02 ,  G02B6/00

CPC分类号： G01D5/266 ,  G01D5/268 ,  G01K11/3206 ,  G01L9/0079

摘要： A diaphragm optic sensor comprises a ferrule including a bore having an optical fiber disposed therein and a diaphragm attached to the ferrule, the diaphragm being spaced apart from the ferrule to form a Fabry-Perot cavity. The cavity is formed by creating a pit in the ferrule or in the diaphragm. The components of the sensor are preferably welded together, preferably by laser welding. In some embodiments, the entire ferrule is bonded to the fiber along the entire length of the fiber within the ferrule; in other embodiments, only a portion of the ferrule is welded to the fiber. A partial vacuum is preferably formed in the pit. A small piece of optical fiber with a coefficient of thermal expansion chosen to compensate for mismatches between the main fiber and ferrule may be spliced to the end of the fiber.

摘要翻译： 隔膜光学传感器包括套圈，其包括其中设置有光纤的孔和附接到套圈的膜片，隔膜与套圈间隔开以形成法布里 - 珀罗腔。 通过在套圈或隔膜中产生凹坑来形成空腔。 传感器的部件优选地通过激光焊接焊接在一起。 在一些实施例中，整个套圈沿着套​​管内纤维的整个长度结合到纤维上; 在其它实施例中，仅将套圈的一部分焊接到纤维上。 在凹坑中优选形成部分真空。 选择具有热膨胀系数以补偿主光纤和套圈之间的错配的小片光纤可以被接合到光纤的端部。

公开(公告)号：US20050195403A1

公开(公告)日：2005-09-08

申请号：US10791842

申请日：2004-03-04

申请人： Juncheng Xu ,  Anbo Wang

发明人： Juncheng Xu ,  Anbo Wang

IPC分类号： G01B9/02

CPC分类号： G01D5/266 ,  G01D5/268 ,  G01K11/3206 ,  G01L9/0079

摘要： A diaphragm optic sensor comprises a ferrule including a bore having an optical fiber disposed therein and a diaphragm attached to the ferrule, the diaphragm being spaced apart from the ferrule to form a Fabry-Perot cavity. The cavity is formed by creating a pit in the ferrule or in the diaphragm. The components of the sensor are preferably welded together, preferably by laser welding. In some embodiments, the entire ferrule is bonded to the fiber along the entire length of the fiber within the ferrule; in other embodiments, only a portion of the ferrule is welded to the fiber. A partial vacuum is preferably formed in the pit. A small piece of optical fiber with a coefficient of thermal expansion chosen to compensate for mismatches between the main fiber and ferrule may be spliced to the end of the fiber.

摘要翻译： 隔膜光学传感器包括套圈，其包括其中设置有光纤的孔和附接到套圈的膜片，隔膜与套圈间隔开以形成法布里 - 珀罗腔。 通过在套圈或隔膜中产生凹坑来形成空腔。 传感器的部件优选地通过激光焊接焊接在一起。 在一些实施例中，整个套圈沿着套​​管内纤维的整个长度结合到纤维上; 在其它实施例中，仅将套圈的一部分焊接到纤维上。 在凹坑中优选形成部分真空。 选择具有热膨胀系数以补偿主光纤和套圈之间的错配的小片光纤可以被接合到光纤的端部。