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Optical Sensors
Overview
Optical technologies are transforming healthcare by enabling new methods of sensing and interpretation that surpass the limitations of conventional systems. These approaches include not only the use of light to monitor physiological signals, but also advanced fibre-based sensors capable of detecting subtle changes in the surrounding environment. By responding to variations in pressure, temperature, and the presence of specific chemical or biological compounds, optical systems provide a versatile and highly sensitive platform for clinical insight. Whether used for direct monitoring or embedded within medical devices, these innovations are opening new paths in diagnosis, monitoring, and patient care.
AI Technology
Artificial intelligence (AI) is a core part of our technology, enabling our medical devices to extract deeper insights from complex physiological signals. By applying advanced embedded algorithms to real-time data, our systems support faster and more accurate interpretation of clinical data. AI helps to identify subtle patterns that may be missed by traditional methods, enhancing the reliability and responsiveness of our solutions in dynamic healthcare environments.
What Are Fibre Optics?
Fibre optics utilise strands of glass or plastic, which are thinner than a hair, to transmit light signals over long distances with minimal loss. Unlike traditional copper wires, fibre optics provide faster data transfer, immunity to electromagnetic interference, and exceptional durability. These features make fibre optic technology ideal for applications requiring high accuracy and reliability in medical devices and diagnostics.
Optical Sensing Technology
LEDs & Photodiodes
Fibre Bragg Grating (FBG)
Simple Optical Fibre
LED and photodiode-based optical sensors are widely used to measure physiological parameters, such as in pulse oximetry. These systems work by shining light into the skin and detecting the returned light.
Simple Optical Fibre
Fibre Bragg Grating (FBG)
Simple Optical Fibre
Standard optical fibre technology can be used to detect and transmit data. Ideal for general-purpose applications, they offer robust performance and reliability in monitoring tasks.
Fibre Bragg Grating (FBG)
Fibre Bragg Grating (FBG)
Fibre Bragg Grating (FBG)
FBG sensors are highly sensitive and versatile, designed for monitoring pressure and strain. By detecting changes in wavelength caused by environmental variations, they provide precise measurements for critical healthcare applications.
Long-Period Grating (LPG)
Diffuse Reflectance Spectroscopy (DRS)
Fibre Bragg Grating (FBG)
Perfect for biochemical detection, these sensors can be functionalised with specialised coatings to identify a wide variety of biological markers such as proteins, gases or volatile organic compounds. They are highly sensitive, making them suitable for diagnostic and monitoring applications.
Fabry-Pérot Interferometer
Diffuse Reflectance Spectroscopy (DRS)
Diffuse Reflectance Spectroscopy (DRS)
Utilising interference patterns of light, these sensors provide high-precision measurements of parameters such as temperature, pressure, and strain.
Diffuse Reflectance Spectroscopy (DRS)
Diffuse Reflectance Spectroscopy (DRS)
Diffuse Reflectance Spectroscopy (DRS)
DRS sensors measure light reflected from a sample to analyse its composition. They are ideal for non-invasive diagnostics, such as detecting skin abnormalities, monitoring oxygen levels, and assessing tissue health.
Surface Plasmon Resonance (SPR)
Surface Plasmon Resonance (SPR)
Surface Plasmon Resonance (SPR)
SPR sensors rely on the interaction of light with electrons on a metal surface, enabling the detection of refractive index changes. They can be used in detecting biochemical interactions, such as antibody-antigen binding.