Sensing

Photonics sensors are spurring the development of new, powerful sensing instruments for a wide range of applications.

Main applications are:

  •  Laser-based mid-infrared (Mid-IR) sensors operate in the (3- 12 μm) wavelength band and detect molecules according to their unique adsorption spectrum. Used in conjunction with photonic integrated circuits (PICs), Mid-IR sensors can be used in miniaturized, high-sensitive devices that allow real-time detection of e.g. diseases and the emission of toxic gases.
  • Fibre optic sensors gather data by using the properties of fibre as it reacts to local forces. An example is the fiber Bragg grating (FBG) sensor, which works by reflecting particular wavelengths of light and has the advantages of being highly sensitive, light, and able to function in harsh environments. Applications include monitoring extremes of pressure and temperature for heavy industry, and vibrations for structural health monitoring.

 

Technology Specialist
Dr. Antonio Castelo
Dr. Antonio Castelo

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