FBG Temperature Sensors (FT Series)

Data Sheet

Optilab’s FT Series temperature sensors are Fiber Bragg Grating (FBG) based sensors, designed to be bonded to surfaces and materials, spot welded to structures and components, attached or directly cast into concrete wet mix.

Product Overview

Optilab’s FT Series temperature sensors are Fiber Bragg Grating (FBG) based sensors, designed to be bonded to surfaces and materials, spot welded to structures and components, attached or directly cast into concrete wet mix. Temperature sensors are available in the following configurations: Weldable Temperature Sensor, and Embedded Temperature Sensor. Contact Optilab for more information.

Applications

  • Strain Measurement
  • Civil, industrial, or Aerospace Health Monitoring
  • Fiber optic sensors and traducers interrogation
  • Laboratory Testing and Measurement
  • R&D

Features

  • Robust, Reliable, Compatible
  • Completely passive
  • High multiplexing capability
  • Remote sensing
  • Self-referenced

Feature Name Description
Sensor Specifications
Sensitivity 10 pm/ºC
Measurement Range -20 to 80 ºC
Resolution 0.1 ºC
Maximum Calib. Error 0.5 ºC
Optical Specifications
Central Wavelength 1500 to 1600 nm
Spectral Width (FWHM) < 0.2 nm
Reflectivity > 65%
Side Lobe Suppression > 10 dB
Input/Output Specifications
Cable Type Ø 3 mm indoor (kevlar) Ø 3 mm outdoor (armor)
Cable Length 2 m each side (±5 cm)
Connectors FC/APC SC/APC NC (No Connectors)
Environmental Specifications
Operation Temperature -20 to 80 ºC
Protection Class Embedded IP68
Mechanical Specifiations
Materials Stainless steel
Dimensions Weldable 45 x 15 x 0.6 mm; Embedded 100 x Ø 10 mm