Real-time monitoring the change process of liquid concentration using tilted fiber Bragg grating

Real-Time Monitoring of Siloxane Monolayer Film Formation on Silica Using a Fiber Bragg Grating

We present a series of experiments to study the silanization of the silica surface of a fiber Bragg grating biosensor. A simple 4-layer attachment model is developed to describe the bonding of 3-aminopropyl triethoxysilane (APTES) or 3-aminopropylethoxydimethylsilane (APMDS) to the silica surface when both APTES and APMDS are dissolved in water or in pure ethanol. An adsorbed water layer is cre...

Fiber Bragg grating applied pulsed photoacoustic detection technique for online monitoring concentration of liquid

Interrogation of interferometric sensors with a tilted fiber Bragg grating.

This paper describes the interrogation of interferometer-based transducers with a technique that involves the use of a tilted fiber Bragg grating. The interrogation process will be analyzed both from the conceptual and experimental points of view. Simultaneous interrogation of multiplexed interferometric transducers is successfully checked using this technique.

The Application of Fiber Bragg Grating in the Real-time Casing Damage Monitoring Work

With the unceasing exploitation of gas fields, casing damage is an important element which restrict oil-gas throughput. In this paper we present an distributed optical fiber Bragg grating analysical method in the Real-time Casing Damage Monitoring Work which through the study of the main type and damage of casing damage, analysis and comparison of the casing damage monitoring method, responding...

Post-Impact Fatigue Damage Monitoring Using Fiber Bragg Grating Sensors

It has been shown that impact damage to composite materials can be revealed by embedded Fiber Bragg Gratings (FBG) as a broadening and splitting of the latter's characteristic narrow peak reflected spectrum. The current work further subjected the impact damaged composite to cyclic loading and found that the FBG spectrum gradually submerged into a rise of background intensity as internal damages...