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AOMS Fiber Optic Sensor Technology (AOMS-FOS™)

Game changer to empower industries with uninterrupted monitoring of multi-dimensional performance data

Fiber optics, originated from telecommunication industry, is made of high purity glass, capable of transmitting optical waves over long distances (thousands of kilometers) with ultra-low loss. The breakthrough discovery, happened in 1960’s, to reduce the loss in glass fibers by removing impurities changed the fiber optic industry forever.

AOMS fiber optic sensor (AOMS-FOS ™) technology harnesses the power of modulated optical waves reflected from the core of optical fibers. Light travelling in the core of fiber optics is modulated by changes in the surrounding environment as a result of changes in temperature, pressure, strain, and chemical properties. The modulation of the optical waves in the form of changes in shape or the wavelength of the light waves is correlated to the measurement parameters.

By leveraging the Wavelength Division Multiplexing (WDM) technology, originally developed for telecommunication, the optical signals are mapped to physical locations along fiber optic cable for multi-point sensing (also known as quasi-distributed sensing).

The core of AOMS-FOS™ technology is based on Fiber Bragg Gratings (FBG). A fiber Bragg grating, with a nano-structured periodic modulation of the index of refraction, functions as an optical filter. When a Bragg grating is exposed to a broadband spectrum of light, the guided light wave, propagating along the optical fiber, is scattered by each grating plane. As a result, parts of the spectrum at specific wavelengths are reflected back. The coupling between the forward and backward propagating waves results in a resonance condition a specific wavelength of light called the Bragg wavelength. Bragg gratings with different Bragg wavelengths can be distributed along the length of an optical fiber which results in a multi-peak reflection spectrum . Each reflection peak (or Bragg wavelength) is assigned to a specific location along the fiber. Changes in the strain and temperature at each Bragg grating location results in the changes in Bragg wavelength and the shape of the reflection peaks (such as changes in the reflection bandwidth). The change in the Bragg wavelength is a linear correlation of temperature and mechanical strain on the fiber optic:

Sensor Hardware

We have leveraged the large data transmission capacity of standard telecommunications fiber optics to develop a core technology for multi-parameter and multi-point sensing for industrial applications. The technology converts standard telecommunication fibers into a network of fiber optic sensors capable of creating real-time and 3-dimensional map of measurement data including pressure, temperature, vibration, strain, humidity, and chemical properties. The fiber optic sensor hardware is based on the seamless integration of high-purity glass optical fibers and high grade alloys and polymers to develop sensing products for harsh or unconventional environments characterized by electromagnetic noise, high temperature and pressure, radioactive radiation, and corrosive chemicals. AOMS sensing platform is equipped with advanced opto-electronic systems, known as ODAQ™ (Optical Data Acquisition), to demodulate optical waves and generate over 10,000 data points per sampling instance at a configurable frequency ranging from 0.5 Hz to 1MHz. By collecting multi-parameter data at different sampling frequencies and from different locations, AOMS sensing platform is well capable of creating a multi-dimensional measurement data structure.


Our hardware-software integrated solution enables access to real-time data through cloud storage and management services. In addition, AOMS advanced data analytics platform and predictive algorithms, integrated in our LUMI™ software, are specifically designed to transform raw fiber optic sensor data into actionable insight in order to unleash new levels of operational performance.

AOMS-FOS™ : Integration of Hardware and Software for Industrial IoT

  • Fully integrated hardware/software platform
  • The first fiber optic sensor technology with built-in Industrial IoT capabilities
  • Real-time collection of up to 12,000 multi-paraemter measurements from over 100 fiber optic sensor cables
  • Patented technology on seamless integration of opto-mechanical sensors interfaced with sophisticated opto-electronic systems
  • Empowered with real-time data analytics
  • Designed for harsh environments, hard to access locations, and heavy duty applications

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