CN107764297B - 基于泵浦脉冲扫频的动态布里渊光时域分析系统 - Google Patents
基于泵浦脉冲扫频的动态布里渊光时域分析系统 Download PDFInfo
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- CN107764297B CN107764297B CN201710976581.6A CN201710976581A CN107764297B CN 107764297 B CN107764297 B CN 107764297B CN 201710976581 A CN201710976581 A CN 201710976581A CN 107764297 B CN107764297 B CN 107764297B
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
- G01D5/35364—Sensor working in reflection using backscattering to detect the measured quantity using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering
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CN108956432B (zh) * | 2018-08-10 | 2020-08-07 | 武汉大学 | 一种基于结构光的流式高速超分辨成像装置及方法 |
CN108917804A (zh) * | 2018-09-03 | 2018-11-30 | 哈尔滨工业大学 | 基于啁啾链的快速长距离分布式布里渊光纤传感装置 |
CN109724529B (zh) * | 2019-01-04 | 2020-08-18 | 重庆大学 | 基于多斜坡辅助的大动态范围布里渊快速测量系统 |
CN109781156B (zh) * | 2019-03-12 | 2021-07-06 | 电子科技大学 | 基于布里渊增益谱调制的botda系统及其传感方法 |
CN111721338B (zh) * | 2020-06-08 | 2022-05-10 | 太原理工大学 | 一种泵浦光高低频交替调制的布里渊光时域分析系统 |
CN111879344B (zh) * | 2020-06-24 | 2022-03-25 | 董永康 | 基于捷变频与cs技术的快速布里渊光学时域分析仪及方法 |
CN111947696B (zh) * | 2020-08-14 | 2021-11-23 | 重庆大学 | 矢量光学啁啾链布里渊时域分析系统 |
CN112697061A (zh) * | 2021-01-04 | 2021-04-23 | 无锡科晟光子科技有限公司 | 基于滤波器的光纤应变系统 |
CN113049014B (zh) * | 2021-03-10 | 2022-04-15 | 太原理工大学 | 一种基于泵浦光扫频的时频复用botda系统及传感方法 |
CN114812633A (zh) * | 2022-04-01 | 2022-07-29 | 北京邮电大学 | 宽谱接收的布里渊光时域反射计 |
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CN205561871U (zh) * | 2015-12-24 | 2016-09-07 | 四川师范大学 | 基于相移脉冲及频率梳注入的布里渊光时域分析传感方法 |
CN105675031B (zh) * | 2016-01-23 | 2017-09-15 | 中国人民解放军国防科学技术大学 | 基于预泵浦脉冲和格雷码编码的布里渊光时域分析仪 |
CN106404121A (zh) * | 2016-12-02 | 2017-02-15 | 哈尔滨理工大学 | 一种光纤液位测量装置及方法 |
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Effective date of registration: 20221013 Address after: 610100 No.1, Floor 4, Building 56, No. 888, Section 2, Chenglong Avenue, Damian Street, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan Patentee after: Chengdu Taco Optoelectronic Technology Co.,Ltd. Address before: 400030 No. 174 Sha Jie street, Shapingba District, Chongqing Patentee before: Chongqing University |
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Effective date of registration: 20231124 Address after: No. 888, Section 2, Chenglong Avenue, Damian Street, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan Province, 610101, Building 56, 4th Floor, No.1 Patentee after: Chengdu Taco Optoelectronic Technology Co.,Ltd. Patentee after: Chongqing Take Zhigan Technology Co.,Ltd. Address before: 610100 No.1, Floor 4, Building 56, No. 888, Section 2, Chenglong Avenue, Damian Street, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan Patentee before: Chengdu Taco Optoelectronic Technology Co.,Ltd. |