Polyimide Recoated Fiber Bragg Grating - Fiber Optic Grating - Fiber Bragg Grating Array - UV Photomask Written

Product Aliases: UV mask FBG, Polyimide coated FBG, high-temperature FBG, Bare FBG.

This product is a standard stock UV photomask-written FBG, coated with polyimide, and consists of high-temperature (low-temperature) resistant Fiber Bragg Grating (FBG) or Fiber Bragg Grating Array (FBGs). It can be purchased individually or as an accessory for the OFSCN® Series Fiber Bragg Grating Temperature Sensors (FBG thermometers), Fiber Bragg Grating Strain Sensors (FBG strain gauges), and Fiber Bragg Grating Stress Sensors (FBG load cells).

The provided FBG parameters are for reference only. After being made into a Fiber Bragg Grating Sensor (FBG sensor), the parameters may slightly vary. Customization is available to meet different user requirements.

Video demonstration of the physical appearance of FBG:

Parameters of the Polyimide-Recoated Fiber Bragg Grating (FBG):

OFSCN® Polyimide-Recoated high-temperature FBG Fiber Parameters:

Click here to see the parameters for available OFSCN® Polyimide-Recoated high-temperature FBG fibers:

300℃ SM Polyimide Optical Fiber - High & Low Temperature Optical Fiber - Doped/Pure Silicon Core Optical Fiber

300℃ Small diameter optical fiber - SM PI thin fiber - 9/80/100μm polyimide thin fiber - Doped/pure silica core

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Features of OFSCN® Polyimide-Recoated high-temperature FBG:

• Excellent High-Temperature Resistance: The polyimide coating can withstand temperatures up to 300℃ or even higher, far exceeding conventional fiber coatings. This makes it ideal for long-term stable operation in high-temperature environments.
• Compact Size and Chemical Resistance: The thin polyimide coating results in a smaller fiber diameter. It also provides excellent chemical resistance, allowing for stable operation in harsh environments like oil and gas, and chemical industries.
• Advanced Manufacturing Process: The UV mask method ensures high precision and consistency in the FBGs, enhancing product reliability.
• Flexible Application: The customizable grating lengths of 3mm, 5mm, and 10mm enable customers to tailor the product to their specific measurement needs.

Possible Application Scenarios and Industries of OFSCN® Polyimide-Recoated high-temperature FBG:

Given its outstanding high-temperature and chemical resistance, this FBG/FBG array has broad prospects in various specialized application scenarios.

Application Scenarios Examples of OFSCN® Polyimide-Recoated high-temperature FBG:

Measurements in High-Temperature Environments:

• • Packaged for Use: It can be used as the core sensing element in packaged high-temperature sensors. For example, in aerospace, oil and gas exploration, and nuclear power plants, it can monitor parameters like temperature, stress, and strain.
  • Used Directly Without Packaging: In laboratory settings, it can be used directly to measure parameters like stress, strain, and vibration of high-temperature equipment or materials for scientific research and high-temperature testing.
• Structural Health Monitoring in Harsh Environments:
  • Chemical Industry: Used for monitoring strain and temperature changes in pipes and storage tanks within corrosive environments.
  • Geothermal Exploration: Used to monitor temperature and pressure inside geothermal wells to assess geothermal resources.
  • Aero-Engine Testing: Installed directly on engine components to monitor strain and vibration during high-temperature, high-speed operation.