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High sensitivity fiber optic angular displacement sensor and its application for<? A3B2 show [pmg: line-break justify=" yes"/]?> detection of ultrasound
In this paper, we report on the development of an intensity-modulated fiber-optic sensor for
angular displacement measurement. This sensor was designed to present high sensitivity …
angular displacement measurement. This sensor was designed to present high sensitivity …
High-accuracy fiber optical microphone in a DBR fiber laser based on a nanothick silver diaphragm by self-mixing technique
A high-accuracy fiber optical microphone (FOM) is first applied by self-mixing technique in a
DBR fiber laser based on a nanothick silver diaphragm. The nanothick silver diaphragm …
DBR fiber laser based on a nanothick silver diaphragm. The nanothick silver diaphragm …
Influence of membrane surface shape change on the performance characteristics of a fiber optic microphone
At a reflective intensity modulated fiber optic microphone (RIM-FOM), the acoustic signal
makes a membrane vibrate and modulate the reflected intensity. In the existing models of …
makes a membrane vibrate and modulate the reflected intensity. In the existing models of …
Real-time multiple machines sound listening using a phase-OTDR based distributed microphone
We propose and experimentally demonstrate a spatially tunable phase-OTDR based
distributed microphone for listening to the sound of multiple machines. The distributed …
distributed microphone for listening to the sound of multiple machines. The distributed …
On-field validation of real-time phase-OTDR for roller bearing monitoring
This work presents an on-field validation of an in-house built real-time phase-OTDR for
monitoring the status of roller bearings. The acoustic sensor prototype was designed and …
monitoring the status of roller bearings. The acoustic sensor prototype was designed and …
Laser ultrasonics system for measurement of speed of sound in gases
In this work we developed a setup to measure the speed of sound in gases using a laser
ultrasonics system. The mentioned setup is an all optical system composed by a Q-switched …
ultrasonics system. The mentioned setup is an all optical system composed by a Q-switched …
[PDF][PDF] From acoustic waves to microwaves
We present here some results of our research related to the optoelectronics and photonics
and show all the experimental setups used. Starting with a discussion on the importance of …
and show all the experimental setups used. Starting with a discussion on the importance of …
[PDF][PDF] 基于 MEMS 膜片的光纤声传感器分析
**晓龙， 王江安， 宗思光 - Chinese Journal of Lasers, 2013 - researching.cn
摘要提出了一种新的应用于低频声传感领域的**度调制型光纤传感器理论模型.
该模型使用了单模光纤来传输和接收光信号, 使用了C lens 光学透镜实现光准直作用 …
该模型使用了单模光纤来传输和接收光信号, 使用了C lens 光学透镜实现光准直作用 …
Effect of reflector angle on the performance of an fiber bundle distance sensor with single mode illumination
Y Jiang, Q Wang, Z Zhong - Ninth International Symposium on …, 2015 - spiedigitallibrary.org
In order to study the effect of reflector angle on the performance of two fiber distance sensor
with single mode illumination, a theoretical model approximating the illumination light exiting …
with single mode illumination, a theoretical model approximating the illumination light exiting …
[معلومات الإصدار][C] Desenvolvimentos recentes de sensores a fibra óptica
RM Cazo, MM de Carvalho, CL Barbosa…