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Fiber Bragg grating sensors for harsh environments.

Stephen J Mihailov¹

¹Communications Research Centre Canada, 3701 Carling Avenue, P.O. Box 11490, Station H, Ottawa, ON K2H 8S2, Canada. stephen.mihailov@crc.gc.ca

Sensors (Basel, Switzerland)

|March 23, 2012

Summary

Fiber Bragg grating sensors are advancing sensing technology for extreme environments. Recent developments show promise for harsh energy production applications, enabling advanced instrumentation and controls.

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Area of Science:

Materials Science
Optical Engineering
Sensor Technology

Background:

Fiber Bragg grating (FBG) sensors offer advantages like small size, passive operation, and EMI immunity.
FBGs can directly measure physical parameters such as temperature and strain.
These sensors are transitioning from lab research to mainstream sensing applications.

Purpose of the Study:

To review recent advancements in fiber Bragg grating sensors.
To highlight their potential for applications in extreme environments.
To discuss their suitability for energy production instrumentation.

Main Methods:

Review of recent literature on FBG sensor development.
Focus on regeneration techniques for high-temperature stability.

Keywords:

fiber Bragg grating harsh environment sensing optical sensing sensor

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Examination of femtosecond infrared laser processing methods.

Main Results:

High temperature stable gratings have been developed using regeneration and femtosecond laser processing.
These advanced gratings demonstrate suitability for extreme conditions (high temperature, pressure, radiation).
FBG sensors are increasingly viable for demanding energy sector applications.

Conclusions:

Fiber Bragg grating sensors are a maturing technology with significant potential.
Recent innovations enable their use in previously inaccessible harsh environments.
These sensors are crucial for the development of advanced energy systems requiring robust instrumentation.